IAL,IUL,IEL,LEL Series Datasheet by Sensata-Airpax

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AIRPM

IAL/CEL/LEL Series

Magnetic Circuit Protectors

• 147

• 148

• 150

• 154

• 157

• 159

• 163

• 165

Introduction

Poles

Handles

Configurations

Operating Characteristics

Delay Curves

Specifications

Decision Tables

INTRODUCTION

IAL/IUL/IEL/LEL magnetic circuit protectors provide low-cost

power switching, reliable circuit protection and accurate

circuit control for equipment in the international marketplace.

IAL models are for those applications where the unit’s inherent

attributes are desired, but compliance with the various

standards is not required.

IUL models have been tested and approved in accordance with

UL 1077 requirements for UL recognition.

IEL/LEL models are VDE approved to VDE 0660, part 101. They

meet IEC spacing requirements, mandatory for equipment

which must comply with IEC specifications 601 and 950, and

VDE specifications 0804 and 0805. In addition, the IEL models

are UL recognized to UL 1077 as supplementary protectors and

the LEL models are UL listed under the conditions of UL 489. Both

are CSA certified and CCC Approved. The IEL is CSA certified as

a supplementary protector per CSA C22.2–No. 235.

The CEL model has achieved two new enhancements, including

a single pole, 125 amp rating with TÜV approval, and a parallel

4-pole version with 400 amp rating.

Airpax™ IAL/CEL/LEL circuit protectors are available in a wide

variety of configurations, including series, series with auxiliary

switch, shunt and relay with choice of delays and ratings in DC

and/or 50/60Hz or 400Hz versions. Single or multi-pole versions

are available with a variety of pole arrangements to meet your

specifications. Please see the appropriate product specification

table for ratings and limitations.

IAL/CEL/LEL Series

Hydraulic Magnetic Circuit Protectors

IAL Series - Introduction http://airpax.sensata.com

147

SINGLE POLE, STANDARD STUD TERMINAL

[19.05]

.750

[36.53]

1.438

[63.24]

2.490

[10.21]

.402 [5.59]

.220

[52.32]

2.060

2X 6-32 THREAD

.140 [3.56] DEEP

M3 ISO THD. OPTIONAL

(SEE TABLE)

(SEE TABLE) [3.56]

.140

[3.61]

.142

[47.22]

1.859

[17.53]

.690

OFF

[7.14]

.281

[49.28]

1.940

[7.13]

.281

[49.28]

1.940

[3.61]

.142

Screw Terminal

[7.13]

.281

[49.28]

1.940

[6.35]

Ø .250 MAX.

[15.04]

.592

[9.96]

.392

[9.53]

.375

Single Pole

Clip Terminal

[24.57]

.967

Bullet Terminal

Notes:

Tolerance ± .015 [.39] unless noted.

Dimensions in brackets [ ] are millimeters.

A Terminal protrusion dimensions are referenced from back of mounting

panel.

B Each screw terminal is supplied with a 10-32x.312 [7.92] or M5 x 8mm

screw, flatwasher and external tooth lockwasher.

C Stud terminals are supplied with a flatwasher, external tooth lockwasher

and a 10-32 or M5 hex nut (<=70A) (<=50A for LEL),1/4-20 or M6 hex nut

(>70A)(>50A for LEL).

[19.18]

.755

[52.32]

2.060

[36.78]

1.448

[3.96]

2X Ø .156

[10.98]

.432

Mounting Detail

Note: Each outer terminal is supplied with a

flatwasher, tooth lockwasher and a hex nut.

Bullet terminal receptacle should be .312 ± .001

diameter hole not less than .250 depth. Contact

Sensata for other bullet sizes.

STUD TERMINAL TYPES

Screw Stud Thread Dimension “A” Dimension “B”

M6 .510 ± .045

[12.95 ± 1.14]

.652 ± .035

[16.56 ± 0.89]

1/4 -20 .545 ± .045

[13.84 ± 1.14]

.687 ± .035

[17.45 ± 0.89]

M5 .510 ± .045

[12.95 ± 1.14]

.652 ± .035

[16.56 ± 0.89]

10-32 .545 ± .045

[13.84 ± 1.14]

.687 ± .035

[17.45 ± 0.89]

Panel Mounting Detail

Tolerance ±.005 [.13] unless noted.

IAL Series - Poles

IAL Series

148

:' '- I: :' ' := ' Sensata chlmolnllns 4x 5.32 when . it”? W jam] MAX

Note:

A Terminal protrusion dimensions are referenced from back of mounting panel.

B Each screw terminal is supplied with a 10-32x.312 [7.92] or M5 x 8mm screw, flatwasher and external tooth lockwasher.

C Stud terminals are supplied with a flatwasher, external tooth lockwasher and a 10-32 or M5 hex nut (<=70A), 1/4 -20 or M6 hex nut (>70A).

(SEE TABLE)

(SEE TABLE) [3.56]

.140

[3.61]

.142

[47.22]

1.859

[17.53]

.690

OFF

[7.14]

.281

[49.28]

1.940

Two Pole

[5.59]

.220

MAX.

[36.53]

1.438

[63.24]

2.490

[10.21]

.402

[52.32]

2.060

[38.48]

1.515

4X 6-32 THREAD

.140 [3.56] DEEP

M3 ISO THD. OPTIONAL

MAX.

[38.48]

1.515

IELH11 IEL11

Note:

Tolerance ± .015 [.38] unless noted.

Dimensions in brackets [ ] are millimeters.

[19.05]

.750

[52.32]

2.060

[38.86]

1.530

[36.78]

1.448

[10.97]

.432

[3.96]

Ø .156

Two Pole*

[19.05]

.750

Two Pole*

1/4 - 20

10 - 32

Screw stud

thread

.510

.545

.510

.545

Dim. “A”

(± .045)

.652

.687

.652

.687

Dim. “B”

(± .035)

Note:

Each outer terminal is supplied with a flatwasher, tooth

lockwasher and a hex nut. Panel Mounting Detail

Tolerance ±.005 [.13] unless noted.

Multi-pole units are combined in an assembly with the trip

mechanisms internally coupled. A fault in any protected circuit

opens all poles simultaneously. Applications include use in

polyphase circuits, single-phase three-wire systems, or in two

or more related but electrically isolated circuits. A mix of

delays, ratings and configurations are offered. The auxiliary

switch is offered with either gold or silver contacts and is

available when a series construction pole is specified.

Two Pole Units

An assembly consisting of two single pole units, having their trip

mechanisms internally coupled, is available with either a single

toggle handle or with a handle per pole. Please see decision

one of the part number decision tables. Individual poles may

vary in ratings, delays and internal configurations. If the poles

are of series construction, an auxiliary switch may be included

in either or both poles, allowing you to mix SELV and hazardous

voltages.

MULTI-POLE CIRCUIT PROTECTORS

IAL Series - Poles http://airpax.sensata.com

149

[57.53]

2.265

MAX.

Three Pole and Four Pole Units

The three pole structure consists of three single pole units

assembled with an internal mechanical interlock which

actuates all units simultaneously. The units are available

with either a single toggle handle or with a handle per pole.

Units with four pole construction operate with a minimum

of two center toggle handles or with a handle per pole.

Please see decision one of the part number decision tables.

Mixing of delays, ratings and configurations is available in

each individual pole. The auxiliary switch is offered in any

series trip pole.

Breaker poles are numbered consecutively when viewed

from the terminal side, with the ON position up, starting with

pole #1 on the left side and proceeding to the right.

Three Pole

IEL111

MAX.

[57.53]

2.265

Mounting Detail*

[19.05]

.750

[19.05]

.750

[57.91]

2.280

MAX.

[76.58]

3.015

Four Pole

IEL1111

[19.05]

.750

[19.05]

.750

[19.05]

.750

[38.86]

1.530

Mounting Detail*

[19.05]

.750

[19.05]

.750

Note:

Tolerance ± .015 [.39] unless noted. Dimensions in brackets [ ] are millimeters.

*See Single Pole Mounting Detail for Hole Sizes and Locations.

Three Pole

IELH111

MAX.

[76.58]

3.015

[19.05]

.750

[19.05]

.750

[19.05]

.750

[76.96]

3.030

Mounting Detail*

Four Pole

IELH1111

Mounting Detail*

BX - FLAT ROCKER HANDLE

The innovative new design of our IAL/CEL/LEL BX Style

circuit protectors features a flat rocker that will satisfy your

aesthetic needs while guarding against accidental

actuation, providing the highest degree of circuit protection

and quality. Only Airpax offers this new standard in user

interface. Available on a variety of versions with a full range

of agency approvals, the IEL BX style circuit protectors meet

or exceed all current performance specifications, including

interrupting capacities up to 50,000 amperes.

1.239

[31.47]

.387 REF.

[9.84]

.768

[19.49]

1.859

[47.22]

2.490 MAX.

[63.25]

2.173 MAX.

[55.19]

.314

[7.98]

1.395

[35.43]

.125

[3.17]

6-32 THD. MOUNTING

M3 ISO THD. OPTIONAL

1.660

[42.16]

.750 MAX.

[19.05]

OPTIONAL

GUARD

(SEE DETAIL ìCî) SINGLE POLE

1.660

[42.16]

.750

[19.05]

1.260

[32.00]

.200

[5.08]

2X ÿ.156

[3.96]

Panel Mounting Detail

Mounting Detail Tolerance:

±.005 [.13] unless noted

ACTUATION

ACCESS

(SEE NOTE)

DETAIL "A"

OFF

HANDLE

POSITION "OFF"

GUARD WITH NO ACTUATE

OFF FEATURE

(SIXTH DECISION, X)

HANDLE

POSITION "ON"

GUARD WITH NO ACTUATE

OFF FEATURE

(SIXTH DECISION, X)

PUSH

RESET

NOTE: ACCESS IS LIMITED TO A DEVICE SMALLER THAN THE

UNDERWRITERS LABORATORY "ARTICULATED PROBE"

DEFINED IN UL-489 FIG. 11.1.7.2.1.

HANDLE

POSITION "OFF"

WITH GUARD

(SIXTH DECISION, G)

HANDLE

POSITION "ON"

WITH GUARD

(SIXTH DECISION, G)

HANDLE

POSITION "OFF"

WITHOUT GUARD

HANDLE

POSITION "ON"

WITHOUT GUARD

PUSH

RESET

Panel Mounting Detail

Tolerance ±.005 [.13] unless noted.

IAL Series - Handles

IAL Series

150

id ] 9d PLEPE [ VA. .J WA. FL. _|_ Pk. [ VA _|4 WA. Pk. _|_ PE

The Airpax™ LELHP/CELHP high current magnetic circuit protector compliments our entire series of LEL circuit protectors. Its unique,

parallel current sensing design provides precise current overload protection and reliability in the compact size of a two pole LEL.

The unit is ideal for high power DC applications such as drive motor systems and telecommunication power systems.

LEL is available in series and series with auxiliary switch configurations with a choice of delays for DC ratings of 125, 150, 175 and 200

amperes. The CEL has been enhanced to include these same ratings plus a 4-pole, parallel 400 amp rating for UL489A. The LELHP is

UL listed under the conditions of UL489 and CSA certified. The CELHP is UL listed under the conditions of UL489A. Mid-trip handle

indication, voltage trip and remote operator options complete the LELHP/CELHP circuit breaker series. Please see the individual

product tables for approved ratings.

Series Parallel

OFF

[17.53]

.690

[47.22]

1.859

[49.28]

1.940

[7.14]

.281

[3.56]

.140

[13.84]

.545

[16.26]

.640

[26.59]

1.047

[32.56]

1.282

[17.45]

.687

1/4-20 STUD

(M6 x 1.0 STUD

OPTION)

[52.32]

2.060

[5.59]

.220

[36.53]

1.438

[10.21]

.402

[63.25]

2.490

[19.05]

.750

2X 6-32 THREAD

.140 [3.56] DEEP

M3 ISO THD OPTIONAL

BREAKER IN

OFF POSITION

Series Parallel with optional

1REC4 Auxiliary switch

Notes:

Tolerance ± .015 [.39] unless noted. Dimensions in brackets [ ] are millimeters.

A Terminal protrusion dimensions are referenced from back of mounting panel.

B Each screw terminal is supplied with a 10-32x.312[7.92] or M5 x 8mm screw,

flatwasher and external tooth lockwasher.

C Stud terminals are supplied with a flatwasher, external tooth lockwasher and

a 10-32 or M5 hex nut (<=70A), 1/4 -20 or M6 hex nut (>70A).

D Units are supplied without bus bars must have a minimum copper strap (1

31/32 x 1/2 x 1/16 ) of appropriate length to accommodate connections tying

each set of terminals together.

E Other spacing available upon request. Contact factory for assistance.

[6.60]

.260

[2.79]

.110

2.438 MAX

[61.93]

(SEE NOTE 1)

-REC4

[38.48]

1.515 MAX

[18.80]

.740

(Note E)

[17.53]

.690

[47.22]

1.859

[49.28]

1.940

[7.14]

.281

[3.56]

.140

[6.40]

.252

[36.53]

1.438

[10.21]

.402

[63.25]

2.490

[57.53]

2.265 MAX.

[14.10]

.555

[7.90]

.311

[10.77]

.424

[7.59]

.299

[18.80]

(Note E)

.740

[50.83]

2.001

OFF

[3.61]

.142

[17.45]

.687

[13.84]

.545

OFF OFF

[32.77]

1.290

[16.46]

.648

OFF

[52.32]

2.060

[5.59]

.220

6X 1/4-20 STUD

6X 6-32 THREAD

.140 [3.56] DEEP

M3 ISO THD OPTIONAL

1.055

[26.79]

[18.80]

(Note E)

.740

Two Pole

Three Pole (Note D)

175/200 Parallel Pole

[17.53]

.690

[47.22]

1.859

[49.28]

1.940

[7.14]

.281

[3.56]

.140

[6.40]

.252

[36.53]

1.438

[10.21]

.402

[63.25]

2.490

[57.53]

2.265 MAX.

[14.10]

.555

[7.90]

.311

[10.77]

.424

[7.59]

.299

[18.80]

(Note E)

.740

[50.83]

2.001

OFF

[3.61]

.142

[17.45]

.687

[13.84]

.545

OFF OFF

[32.77]

1.290

[16.46]

.648

OFF

[52.32]

2.060

[5.59]

.220

6X 1/4-20 STUD

6X 6-32 THREAD

.140 [3.56] DEEP

M3 ISO THD OPTIONAL

1.055

[26.79]

[18.80]

(Note E)

.740

LELHP/CELHP CIRCUIT PROTECTORS

Four Pole (CEL _ _ P and CML _ _ P only)

8X 6-32 THREAD

.140 [3.56] DEEP

M3 ISO THD OPTIONAL

FOFFOFFO

3.005

[76.33]

.402

10.21

1.438

36.53

2.490

63.25

.220

5.59

2.060

52.32

(SEE TABLE)

DIM. "H"

(SEE TABLE)

DIM. "H"

(SEE TABLE)

DIM. "H"

MAX

IAL Series - Handles http://airpax.sensata.com

151

The lALN/IULN family is a sealed toggle version of the IAL/IUL

family. The silicone rubber seal around the handle assures

panel seal integrity and makes this style a natural for harsh

environments.

This sealed toggle family is available in one to three pole

models with ratings of .050 to 100 amperes.

[34.92]

1.375

[16.66]

.656

[63.25]

2.490

[19.05]

.750

KEYWAY

.060 [1.52]-.065 [1.65] WIDE

.030 [.76]-.035 [.89] DEEP

[38.48]

1.515

(OPTIONAL, HANDLE

MAY BE IN POLE 2

INSTEAD OF POLE 1)

MAX.

[57.53]

2.265

MAX.

Three Pole

Single Pole Two Pole

(Optional handle may be in

pole 2 instead

of pole 1.)

[13.08]

Ø.515

[3.96]

Ø.156

[16.66]

.656

[19.05]

.750

MAX.

[19.05]

.750

[19.05]

.750

MAX. MAX.

[51.82]

2.040

[3.30]

.130

OFF

6-32 MTG. SCREW

1/2-32 HEX NUT

LOCKWASHER

[19.05]

.750

[15.88]

.625

[3.61]

.142

FOR HIGH SHOCK

MTG.

Optional handle

Notes:

A Terminal protrusion dimensions are referenced from back of mounting panel.

B Each screw terminal is supplied with a 10-32x.312[7.92] or M5 x 8mm screw, flatwasher and external tooth lockwasher.

C Stud terminals are supplied with a flatwasher, external tooth lockwasher and a 10-32 or M5 hex nut (<=70A), 1/4 -20 or M6 hex nut (>70A).

Panel Mounting Details: Tolerance ±.005 [.13] Unless noted.

Single Pole Two Pole* Three Pole*

*See Single Pole Mounting Detail for Hole

Sizes and Locations.

IALN/IULN PANEL SEAL CIRCUIT PROTECTORS

IAL Series - Handles

IAL Series

152

f JLJ

Two Pole Three Pole Four Pole

The rocker style is available in one to four poles. Choose

either vertical or horizontal mounting with ON-OFF,

international markings or a combination of both.

Five front panel enhancing colors including black, white, red,

grey and orange are available.

[47.22]

1.859

[57.12]

2.249

[10.65]

.419

[34.92]

1.375

[63.25]

2.490

[49.28]

1.940

[3.61]

Note: Tolerance ± .015 [.38] unless noted.

Dimensions in brackets [ ] are millimeters.

OFF

[19.05]

.750

[42.16]

1.660

[50.09]

1.972

[18.67]

2.361

2X 6-32 THD. (TYP.)

M3 ISO THD.

OPTIONAL

.735

(HANDLE WIDTH)

OFF

MAX.

[38.07]

1.499

OFF

MAX.

[57.12]

2.249

OFF

MAX.

[76.58]

3.015

[19.05]

.750

[42.17]

1.660

[3.96]

2X Ø .156

1.260

[32.00]

[5.08]

.200

[38.35]

1.510

[19.05]

.750

[32.00]

1.260

Note:

A Terminal protrusion dimensions are referenced from back of mounting panel.

B Each screw terminal is supplied with a 10-32x.312[7.92] or M5 x 8mm screw,

flatwasher and external tooth lockwasher.

C Stud terminals are supplied with a flatwasher, external tooth lock washer and

a 10-32 or M5 hex nut (<=70A), º -20 or M6 hex nut (>70A).

Single Pole Panel Mounting Detail*

Single,Two & Three Pole Four Pole**

*Mounting detail tolerance ±.005 [.13] Unless noted.

**See single mounting detail for hole sizes and locations.

(Optional handle may be in

Pole 2 instead of Pole 1.)

The IALZX/IULZX/IELZX style adds our rocker handle options of

contrasting dual color rocker actuators, affording a clear visual

indication of the handle position and integrated handle guards, to

1.239

[31.47]

.420 REF

[10.67]

.750 MAX.

[19.05]

2X 6-32 THD.

M3 ISO THD.

OPTIONAL

.506

[12.85]

OPTIONAL

HANDLE GUARDS

1.660

[42.16]

OFF

.772

[19.62]

Panel Mounting Details

Mounting Detail Tolerance:

±.005 [.13] Unless Noted.

1.859

[47.22]

2.173 MAX.

[55.19]

.314

[7.98]

.201

[5.11]

1.395

[35.43]

2.490 MAX.

[63.25]

1.660

[42.17]

.750

[19.05]

1.260

[32.00]

2X Ø .156

[3.96]

.200

[5.08]

1.239

[31.47]

.420 REF

[10.67]

.750 MAX.

[19.05]

2X 6-32 THD.

M3 ISO THD.

OPTIONAL

.506

[12.85]

OPTIONAL

HANDLE GUARDS

1.660

[42.16]

OFF

.772

[19.62]

Panel Mounting Details

Mounting Detail Tolerance:

±.005 [.13] Unless Noted.

1.859

[47.22]

2.173 MAX.

[55.19]

.314

[7.98]

.201

[5.11]

1.395

[35.43]

2.490 MAX.

[63.25]

1.660

[42.17]

.750

[19.05]

1.260

[32.00]

2X Ø .156

[3.96]

.200

[5.08]

Panel Mounting Detail

help prevent accidental turn-on and turn-off of the unit. Available

with a black rocker and white, red or green indicator color for

either ON or OFF indication.

IALX/IULX/IELX ROCKER HANDLE

IALZX/IULZX/IELZX ROCKER HANDLE

Panel Mounting Detail

Tolerance ±.005 [.13] unless noted.

IAL Series - Handles http://airpax.sensata.com

153

Series Trip

The most popular configuration for magnetic

protectors is the series trip where the sensing coil

and contacts are in series with the load being

protected. The handle position conveniently

indicates circuit status. In addition to providing

conventional overcurrent protection, it’s

simultaneously used as an on-off switch.

Shunt Trip

The shunt trip is designed for controlling two

separate loads with one assembly. The control is

established by providing overload protection for the

critical load. When the current through this load

becomes excessive and reaches the trip point, the

protector will open and remove power from both

loads simultaneously. The total current rating of both

loads must not exceed the maximum contact rating.

Dual Coil

By combining two electrically independent coils on

a common magnetic circuit, it is possible to provide

contact opening when either an over-current or trip

voltage is applied to the respective coils. One coil

will be a current trip coil with standard

specifications. The second, or dual coil, can be used

to provide a control function permitting contact

opening from a remote interlock or other transducer

functions. Standard coils are 6, 12, 24, 48, 120 and

240 volts. Tripping is instantaneous and must be

removed (usually self-interrupting) after trip.

Auxiliary Switch (Applies to Series Trip Only)

This is furnished as an integral part of a series pole

in single or multi-pole assemblies. Isolated

electrically from the protector’s circuit, the switch

works in unison with the power contacts and

provides indication at a remote location of the

protector’s on-off status.

Auxiliary switch contacts actuate simultaneously

with the main breaker contacts, and will open

regardless of whether the breaker contacts are

opened manually or electrically. For auxiliary switch

ratings below 6Vac or 5Vdc, an auxiliary switch with

gold contacts, designated as REG is available. Gold

contacts are not recommended for load current

above 100 milliamps.

SWITCH ONLYSERIES

1.940

[49.28]

.281

[7.13] Dimension B

(See Table)

Dimension A

(See Table)

1.290

[32.77]

.648

[16.46]

1.055

[26.80]

BREAKER IN OFF POSITION

1.26

[32.00]

.278

[7.05]

1.940

[49.28]

2.640 MAX.

[67.06]

(SEE NOTE A)

.795

[20.19]

.660 ±.045

[16.76] ±1.14]

1.266

[32.16]

.971

[24.66]

.676

[17.17]

Dimension B

(See Table)

-IREC5

.250

[6.35]

.187

[4.75]

-IREC4, -IREG4

.260

[6.60]

.110

[2.79]

2.454 MAX.

[64.52]

(SEE NOTE A)

2.438 MAX.

[64.52]

(SEE NOTE A)

-IREC5

.250

[6.35]

.187

[4.75]

-IREC4, -IREG4

.260

[6.60]

.110

[2.79]

2.454 MAX.

[64.52]

(SEE NOTE A)

2.438 MAX.

[64.52]

(SEE NOTE A)

DUAL COILSHUNT

Spacing for VDE Switch

Series with Auxiliary Switch

[17.17]

.676

[24.66]

.971

[32.16]

1.266

Note: Each outer terminal is supplied with a flatwasher,

tooth lockwasher and a hex nut.

Note:

A Terminal protrusion dimensions are referenced from back of mounting

panel.

B Each screw terminal is supplied with a 10-32x.312[7.92] or M5 x 8mm

screw, flatwasher and external tooth lockwasher.

C Stud terminals are supplied with a flatwasher, external tooth lock

washer and a 10-32 or M5 hex nut (<=70A), 1/4-20 or M6 hex nut (>70A).

Series and Switch Only

Shunt and Dual Coil

CONFIGURATIONS

STUD TERMINAL TYPES

Screw Stud Thread Dimension “A” Dimension “B”

M6 .510 ± .045

[12.95 ± 1.14]

.652 ± .035

[16.56 ± 0.89]

1/4 -20 .545 ± .045

[13.84 ± 1.14]

.687 ± .035

[17.45 ± 0.89]

M5 .510 ± .045

[12.95 ± 1.14]

.652 ± .035

[16.56 ± 0.89]

10-32 .545 ± .045

[13.84 ± 1.14]

.687 ± .035

[17.45 ± 0.89]

IAL Series - Configurations

IAL Series

154

O 2 am MAX

Relay Trip

This permits the overload sensing coil to be placed in a

circuit which is electrically isolated from the trip contacts.

The coil may be actuated by sensors monitoring pressure,

flow, temperature, speed, etc. Other typical applications

include crowbar, interlock and emergency/rapid shutdown

circuitry. Trip may be accomplished by voltage or current,

which must be removed after trip.

Voltage Trip

Sometimes called “dump circuits” or “panic trip circuits,”

these units make it possible to open main power contacts

with lower power inputs from one or more sources. This

configuration is becoming increasingly more important for

sensitive circuitry and denser packaging in automation

systems. Available in series, shunt or relay configurations.

[18.34]

.722

[33.78]

1.330

[7.14]

.281

[16.76

±1.14]

.660±.045

[49.28]

1.940

(SEE NOTE A)

[67.06]

2.640 MAX

[20.19]

.795

RELAY

DUAL COIL

Relay and Dual Coil

Notes:

Tolerance ± .015 [.39] unless noted. Dimensions in brackets [ ] are millimeters.

A Terminal protrusion dimensions are referenced from back of mounting panel.

B Each screw terminal is supplied with a 10-32x.312[7.92] or M5 x 8mm screw,

flatwasher and external tooth lockwasher.

C Stud terminals are supplied with a flatwasher, external tooth lockwasher and

a 10-32 or M5 hex nut (<=70A), 1/4 -20 or M6 hex nut (>70A).

RELAY

DUAL COIL

Barriers

[69.60]

2.740

[17.02]

.670 [27.89]

1.098

[65.02]

2.560

[29.13]

1.147

[18.31]

.721

[65.02]

2.560

[29.13]

1.147

[18.31]

.721 [.84]

.033

[78.74]

3.100

[35.00]

1.378

[24.18]

.952 [7.69]

.303

[3.11]

.122

[.84]

.033

NOTE:

THIS BARRIER CAN BE FLIPPED

TO COVER EITHER POLE.

PLEASE CONTACT FACTORY FOR

SPECIFIC PART NUMBER

FIG.4FIG.3

FIG.2

FIG.1

CONFIGURATIONS (CONT.)

BARRIER OPTIONS

Rating Option Standard

Barrier

Optional

Barrier

IEL

240/415 VAC

Fig. 1 Fig. 2, 3 & 4

415 VAC (VDE)

277/480 VAC

1/4-20, M6 studs for AC

120/240 VAC multi-pole Fig. 2 Fig. 3 & 4

125VDC

LEL

All multi-pole 50/60 Hz Fig. 2 Fig. 3 & 4

All multi-pole 80 VDC, if opposite polarity Fig. 2 Fig. 3 & 4

125VDC Fig. 2 Fig. 3 & 4

Note: Optional barrier available with factory assigned part number. Contact

factory for assistance.

IAL Series - Configurations http://airpax.sensata.com

155

ﬁfrﬁﬁﬂ @ @ ﬂ nnngﬂ mm H

Mid-Trip Indication

Circuit protection, rapid fault location

and alarm capability are blended

together in the Airpax mid-trip

indication option. This option is

designed for automatic handle

movement to a middle position upon

electrical overload, allowing for easier

detection of the fault circuitand

minimizing downtime due to the

overload condition.

In the optional auxiliary switch

configuration, the switch allows an

alarm or signal to be forwarded when

the breaker trips and the handle

moves to the middle position. The

alarm can be disengaged by the

manual actuation of the handle to the

OFF position. Once the fault has been

corrected, the circuit breaker can be

reset to the ON position. The mid-trip

option is available in one, two or three

pole toggle handle packages and in

either standard panel screw or snap-in

mounting. Please see specification

tables of specific product for available

ratings.

Snap-In Mounting

The snap-in mounting adapter allows for

simplified mounting of most IEL/LEL

toggle handle products. Prior to

shipment, the adapter is attached to the

circuit breaker during our final product

assembly, allowing you to securely snap

the unit into a rectangular panel cut-out.

This eliminates the need for panel

mounting hardware and associated

assembly costs.

Available for units up to three poles,

with or without an option handle

guard.

BREAKER IN ON

OR MANUALLY

TURNED OFF

POSITION

BREAKER IN

MID-TRIP

POSITION

(ELECTRICALLY

TRIPPED)

POSITION

OFF

POSITION

MID-TRIP

POSITION

(SEE TABLE)

[74.63 ±.18]

2.938±.007

DIM.“A”

[52.35]

2.061

[25.27]

.995

[81.79]

3.220

[44.45]

1.750

[63.37]

2.495

[17.45]

.687

[39.62]

1.560

Mid-Trip Handle

Positions

Panel Mounting

Detail

Note: Tolerance ± .015 [.39] unless noted.

Dimensions in brackets [ ] are millimeters.

PANEL MOUNTING OPTIONS

# of Poles Dimension “A” Panel Thickness

1 pole .760 ± .007

[19.30 ± .18]

.062 ± .005

[1.57 ± .13]

2 pole 1.530 ± .007

[38.86 ± .18]

.062 ± .005

[1.57 ± .13]

3 pole 2.280 ± .007

[57.91 ± .18]

.062 ± .005

[1.57 ± .13]

Panel Mounting Detail

Tolerance ±.005 [.13] unless noted.

IAL Series - Configurations

IAL Series

156

:= ' Sensata chhnalollns

http://airpax.sensata.com/

IAL/CEL/LEL Series - Operating Characteristics

149

OPERATING CHARACTERISTICS

NOMINAL DCR /IMPEDANCE

Current Ratings

(Amps)

Resistance (ohms) Impedance (ohms) Impedance (ohms)

DC Delays AC, 50/60Hz Delays AC, 400Hz Delays

51, 52, 53, 59 61, 62, 63, 69 41, 42, 43, 49

0.20 45.8 28.5 71.94

1.0 1.38 1.10 2.85

2.0 0.371 0.29 0.76

5.0 0.055 0.051 0.12

10.0 0.017 0.016 0.032

20.0 0.006 0.006 0.010

30.0 0.003 0.004 0.006

50.0 0.0019 0.0018 0.0019

60.0 0.00157 0.00134 —

70.0 0.00147 0.00133 —

80.0 0.00146 0.00123 —

90.0 0.00135 0.00114 —

100.0 0.00135 0.00114 —

125.0 0.0005 — —

150.0** 0.0005 — —

165.0** 0.0004 — —

175.0** 0.0004 — —

200.0** 0.0004 — —

250.0** 0.0004 — —

400** 0.0003 — —

Notes:

DCR and impedance based on 100% rated current applied and stablized a minimum of one hour.

No 53 delay on 125 amp single pole or 400 amp four pole devices

Tolerance: .02 amperes to 2.5 amperes, ± 20%; 2.6 amperes to 20 amperes, ± 25%; 21 amperes to 50 amperes, ± 50%. Consult factory for special values and for coil

impedance of delays not shown

** Paralleled poles only, 400 amps only available on CELHP

IAL Series - Operating Characteristics http://airpax.sensata.com

157

http://airpax.sensata.com/ IAL/CEL/LEL Series - Operating Characteristics 150

PERCENTAGE OF RATED CURRENT VS TRIP TIME IN SECONDS AT +25°C

Delay 100% 125%* 150% 200% 400% 600% 800% 1000%

41* No Trip May trip .5 to 8 .15 to 1.9 .02 to .4 .006 to .25 .004 to .1 .004 to .05

42* No Trip May trip 5 to 70 2.2 to 25 .40 to 5 .012 to 2 .006 to .2 .006 to .15

43* No Trip May trip 35 to 350 12 to 120 1.5 to 20 .012 to 2.2 .01 to .22 .01 to .1

49* No Trip May trip .100 max. .050 max. .020 max. .020 max. .020 max. .020 max.

51 No Trip .5 to 6.5 .3 to 3 .1 to 1.2 .031 to .5 .011 to .25 .004 to .1 .004 to .08

52 No Trip 2 to 60 1.8 to 30 1 to 10 .15 to 2 .04 to 1 .008 to .5 .006 to .1

53** No Trip 80 to 700 40 to 400 15 to 150 2 to 20 .23 to 9 .015 to .55 .012 to .2

59 No Trip .120 max. .100 max. .050 max. .022 max. .017 max. .017 max. .017 max.

61 No Trip .7 to 12 .35 to 7 .130 to 3 .030 to 1 .015 to .3 .01 to .15 .008 to .1

62 No Trip 10 to 120 6 to 60 2 to 20 .2 to 3 .02 to 2 .015 to .8 .01 to .25

63 No Trip 50 to 700 30 to 400 10 to 150 1.5 to 20 .4 to 10 .013 to .85 .013 to .5

69 No Trip .120 max .100 max. .050 max. .022 max. .017 max. .017 max. .017 max

71 No Trip .44 to 10 .3 to 7 .100 to 3 .030 to 1 .012 to .3 .004 to .15 .004 to .1

72 No Trip 1.8 to 100 1.7 to 60 1 to 20 .15 to 3 .015 to 2 .008 to .79 .006 to .28

73 No Trip 50 to 600 30 to 400 10 to 150 1.8 to 20 .015 to 10 .015 to .88 .011 to .5

79 No Trip .120 max .100 max. .050 max. .023 max. .016 max. .015 max. .015 max

Notes:

All trip curves and trip currents are specified with the protector mounted in the normal vertical position at ambient temperature of +25° C. Protectors do not carry

current prior to application of overload. A: Ratings above 30 amps may deviate from the above limits by approximately 10% (130% for delay 49).

* No 53 delay on 125 amp single pole or 400 amp four pole devices

* 135% for delay 71, 72, 73 & 79

IAL Series - Operating Characteristics

IAL Series

158

:= ' Sensata YIchnnlﬂIl-s

800

700

600

500

400

300

200

150

125

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 61

MAY TRIP

800

700

600

500

400

300

200

150

125

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 62DELAY 62DELAY 62

MAY TRIP

800

700

600

500

400

300

200

150

125

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 63

MAY TRIP

800

700

600

500

400

300

200

150

125

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 69

MAY TRIP

400Hz, DC, 50/60Hz Delay Curves (typ)

A choice of delays is offered for DC, 50/60Hz, 400Hz, or

combined DC/50/60Hz applications. Delays 49, 59, 69

and 79 provide fast-acting, instantaneous tripping and

are often used to protect sensitive electronic

equipment (not recommended where a known inrush

exists). Delays 41, 51, 61 and 71 have a short delay for

general purpose applications. Delays 42, 52, 62 and 72

are long enough for most transformers and capacitor

loads. Delays 43, 53, 63 and 73 are extra long for

special motor applications.

Inrush Pulse Tolerance

Pulse tolerance is defined as a single pulse of half sine wave

peak current amplitude of 8 milliseconds duration that will

not trip the circuit breaker.

The table on page 171 provides a guide to determine if the

inertia delay feature is required. Consult factory for further

assistance.

800

700

600

500

400

300

200

150

125

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 61

MAY TRIP

800

700

600

500

400

300

200

150

125

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 62DELAY 62DELAY 62

MAY TRIP

800

700

600

500

400

300

200

150

125

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 63

MAY TRIP

800

700

600

500

400

300

200

150

125

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 69

MAY TRIP

DELAY CURVES

http://airpax.sensata.com/

IAL/CEL/LEL Series - Operating Characteristics

149 IAL Series - Delay Curves http://airpax.sensata.com

159

DC Delay Curves (typ)

800

700

600

500

400

300

200

150

125

100

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 51

MAY TRIP

800

700

600

500

400

300

200

150

125

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 52

MAY TRIP

800

700

600

500

400

300

200

150

125

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 53

MAY TRIP

800

700

600

500

400

300

200

150

125

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 59

MAY TRIP

TIME IN SECONDS

PULSE TOLERANCES

Delay Pulse Tolerance

61, 62, 63, 71, 72, 73 10 times (approx.) rated current

61F, 62F, 63F, 71F, 72F, 73F 12 times (approx.) rated current

64, 65, 66 (0 - 50A) 25 times (approx.) rated current

64, 65, 66 (>50 - 80A) 20 times (approx.) rated current

64, 65, 66 (>80 - 100A) 18 times (approx.) rated current

http://airpax.sensata.com/ IAL/CEL/LEL Series - Operating Characteristics 150

IAL Series - Delay Curves

IAL Series

160

:= ' Sensata YIchnnlﬂIl-s

400Hz Delay Curves (typ)

*Available only in IAL/IUL/IEL; not available in LEL.

800

700

600

500

400

300

200

150

125

100

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 41

MAY TRIP

800

700

600

500

400

300

200

150

125

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 42

MAY TRIP

800

700

600

500

400

300

200

150

125

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 43

MAY TRIP

800

700

600

500

400

300

200

150

130

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 49

MAY TRIP

TIME IN SECONDS

http://airpax.sensata.com/

IAL/CEL/LEL Series - Operating Characteristics

149 IAL Series - Delay Curves http://airpax.sensata.com

161

DELAY 79

800

700

600

500

400

300

200

150

135

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

MAY TRIP

800

700

600

500

400

300

200

150

135

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 71

800

700

600

500

400

300

200

150

135

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

DELAY 73

800

700

600

500

400

300

200

150

135

100

TIME IN SECONDS

1000

100

.01

10000

.001

PERCENT OF RATED CURRENT

1000

900

MAY TRIP

DELAY 72

MAY TRIP MAY TRIP

DC/50/60Hz Dual-frequency Delay Curves (typ)

http://airpax.sensata.com/ IAL/CEL/LEL Series - Operating Characteristics 150

IAL Series - Delay Curves

IAL Series

162

:= ' Sensata chhnalollns

IAL/IUL/IEL/IDL/LEL SPECIFICATIONS

Trip Free

Will trip open on overload even when forcibly held in the ON

position. This prevents the operator from damaging the circuit

by holding the breaker on.

Trip Indication

The operating handle moves positively to the OFF or mid-trip

position on electrical overload.

Ambient Operation

IAL/IUL/IEL protectors operate in temperatures between –40°C

to +85°C.

Insulation Resistance

Not less than 100 megohms at 500 volts DC.

Dielectric Strength

IAL/IUL/IEL protectors withstand 3750Vac (1250Vac for LEL),

60Hz for 60 seconds between all electrically isolated terminals

except auxiliary switch terminals shall withstand 600Vac, 60Hz

for REG and REC types. Four terminal dual coil and relay con-

struction (not offered in the LEL) will withstand 1500Vac.

Endurance

Operating as a switch, the operating life exceeds 10,000 oper-

ations, 6000 at rated load, 4000 without load, at a rate of 6 per

minute.

Electrical Characteristics

.050-100 amperes 80Vdc, 240Vac Max., 240/415Vac at 50

amperes Max., 50/60Hz and 400Hz. Consult factory for specific

product ratings. Units rated for 240/415Vac and above 50

amperes are not suitable for across-the-line motor starting.

Poles

One through six poles available.

Construction

Series, shunt, relay dual coil and series with auxiliary switch

available in various delays and combinations.

Auxiliary Switch

When supplied shall be S.P.D.T. configuration. Non VDE

approved switches have a maximum UL rating of 10.0

amperes, 250 volts, 60Hz; 3.0 amperes, 50 volts DC (REC

type) or 0.1 amperes, 125 volts, 60Hz (REG type).

VDE approved switches have a maximum UL rating of 10.0

amperes, 250 volts, 60Hz (REC type); or 0.1 amperes, 125 volts,

60Hz (REG; type). The maximum VDE ratings are 1.0 amperes, 125

volts, 60Hz (REC type); 0.1 amperes, 125 volts, 60Hz (REG type).

Salt Spray (Corrosion)

Meet the requirements of MIL-PRF-55629 when tested in

accordance with Method 101 of MIL-STD-202.

Moisture Resistance

Meet all the requirements of MIL-PRF-55629 when tested in

accordance with Method 106 of MIL-STD-202.

Shock

Circuit protectors shall not trip when tested per MIL-STD-202,

Method 213, Test Condition I with 100% rated current applied

to delayed units and 80% rated current to instantaneous units.

Vibration

Circuit protectors shall not trip when vibrated per MIL-

STD-202, Method 204, Test Condition A with 100% rated

current applied to delayed units and 80% rated current to

instantaneous units.

UL-1500 (Marine Ignition Protected)

The IDL/IDLH is approved for Marine Ignition Protection (series

configuration only), covering ignition protected circuit break-

ers. This specification requires devices to be used in

accordance with the requirementsof U.S. Coast Guard and Fire

Protection Standard for Pleasure and Commercial Motor Craft,

ANSI/MFPA #302.

APPROXIMATE WEIGHT PER POLE

Ounces Grams

3.1 90

RECOMMENDED TORQUE SPECIFICATIONS

Component Torque (in-lbs)

6-32 Mounting Inserts 6 to 8

M3 Mounting Screws 4 to 5

10-32 Screw Terminals 14 to 15

M5 Terminal Screws 14 to 15

10-32 Stud Terminals 13 to 14

M5 Stud Terminals 13 to 14

1/4 - 20 Stud Terminals 40 to 45

M6 Stud Terminals 40 to 45

1/2 - 32 Mounting Bushing 30 to 35

Where applicable, mechanical support must be provide to the

terminals when applying torque

http://airpax.sensata.com/

IAL/CEL/LEL Series - Operating Characteristics

149 IAL Series - Specifications http://airpax.sensata.com

163

AGENCY APPROVALS - IAL/IUL/IEL

Voltage

Frequency

(Hz) Phase

Min.

Poles TC OL UL/CSA

VDE

(amps)

UL 1077 & CSA

(AIC)

VDE

(AIC)

65 DC - 1 1 1 .02-100 .10-70 U2, 7500 4000

65(4) DC - 1 1 1 .02-100 - U2, 3000 -

65(4) DC - 1 1 1 .02-50 - U2, 5000 -

65 DC - 2** 2 1 101-150 - U2, 7500 -

80 DC - 1 1 1 .02-70 .10-50 U2, 7500 4000

80 DC - 1 1 1 70.1-100 - U2, 5000 -

80 DC - 2 1 1 101-150 - U1, 10000 -

80 DC - 3 1 0 251-300 - U2, 7500 -

125 DC - 2 1 0 .02-100 - U2, 5000 -

250 DC - 2+ 1 0 .02-50 - U1, 5000 -

300 DC - 3++ 1 0 .02-50 .10-50 U2, 1000 5000

125 50/60 1 1 1 0 .02-70 - U2, 5000 -

125 50/60 1 1 1 1 .02-100 - U1, 3000 -

125(5) 50/60 1 1 1 1 .02-100 - U3, 1500 -

120/240 50/60 1 2 2 1 .02-100 - U1, 2000 -

125/250(5) 50/60 1 2 only 1 1 .02-100 - U3, 1500 -

240 50/60 1&3 1 1 0 .02-70 - U1, 2000 -

240 50/60 3 2 1 1 .02-100 - U2, 2000 -

250 50/60 3 1 1 1 .02-50 .10-100 U2, 3000 2000

250 50/60 3 1 1 1 .02-50 .10-100 C2, 5000(1) 2000

250 50/60 1 1 1 1 .02-50 .10-100 C2, 5000(2) 2000

250 50/60 3 2 1 0 .02-80 .10-100 U1, 1000 2000

250 50/60 3 1 1 0 .02-60 .10-100 U1, 5000 2000

250(5) 50/60 3 3 only 1 1 .02-100 - U3, 2000 -

277 50/60 1 1 1 1 .02-50 - U2, 2000 -

277 50/60 1&3 1 2 1 .02-50 - C2, 5000(1) -

240/415 50/60 3 2 2 0 .02-50 .10-50 U2, 2000 2000

240/415 50/60 1 2 2 0 .02-50 .10-50 C2, 5000(1) 2000

277/480 50/60 3 2 2 1 .02-30 - U2, 2000 -

277/480 50/60 3 2 2 1 .02-50 - U2, 1200 -

277/480 50/60 3 2 1 1 .02-30 - C2, 5000(3) -

277480 50/60 1&3 2 1 0 .02-50 - C2, 5000(3) -

480 50/60 1&3 2 1 1 .02-30 - C2, 5000(3) -

480 50/60 3 2 1 0 .02-50 - C2, 5000(3) -

250 400 1&3 1 2 1 .02-50 - U2, 1500 -

AGENCY APPROVALS - CEL/CELP (COMMUNICATIONS)

Voltage

Frequency

(Hz) Phase

Min.

Poles UL/CSA

VDE

(amps)

UL 489A

(AIC)

VDE

(AIC)

65 DC - 1 .05-50 - 7500 -

65 DC - 2** 101-150 - 50000 -

80 DC - 1 .05-100 - 50000 -

80 DC - 2** 101-200 - 10000 -

80 DC - 3** 201-250 - 10000 -

125 DC - 1 .05-70 - 5000 -

80 DC - 1 15.1-125 - 10000 -

General notes:

• All supplementary protectors are of the overcurrent (OC) type

• The family of protectors has been evaluated for end use application for use groups

(UG) A, B, C and D

• The terminals (FW) are suitable for factory wiring only (0)

• The maximum voltage ratings for which the protectors have been tested are shown in

the chart

• The current is the amperage range that the protectors have been tested

• The tripping current (TC) for all of the protectors is either either “1” (in the range of

125% to 135% of ampere rating) or “2” (more than 135% of ampere rating)

• The overload rating (OL) – designates whether the protector has been tested for

general use or motor starting applications.

0 – tested at 1.5 times amp rating for general use

1 – tested at 6 times AC rating or 10 times DC rating for motor starting

• The short circuit current rating (SC) – The short circuit rating in amperes following a

letter and number designating the test conditions and any calibration following the

short circuit test is defined below:

C – Indicates short circuit test was conducted with series overcurrent protection

U – Indicates short circuit test was conducted without series overcurrent protection

1 – Indicates a recalibration was not conducted as part of the short circuit testing

2 – Indicates a recalibration was performed as part of the short circuit testing

3 – Indicates recalibration was performed along with the dielectric and voltage

withstand for “Suitable for Further Use” rating

AGENCY APPROVALS - IULD (DUST SEALED)

Voltage

Frequency

(Hz) Phase

Min.

Poles TC OL UL/CSA

VDE

(amps)

UL 1077 & CSA

(AIC)

VDE

(AIC)

250 50/60 1&3 1 1 1 .02-100 - C2, 5000(3) -

277 50/60 1 1 1 1 .02-30 - C2, 5000(3) -

Notes:

** Paralleled poles; + 2 poles in series; ++ 3 poles in series; (1) With 125 A max. series fuse; (2) Series

combination with 209 or 229 series (100 A max.); (3) With 100 A max. series fuse; (4) With blocked vent

construction (5) Non-standard construction. “Fit for further use” approval

IAL/IUL/IEL/IDL/LEL/LELHP SPECIFICATIONS

AGENCY APPROVALS - LEL/LELHP

Voltage

Frequency

(Hz) Phase

Min.

Poles UL/CSA

VDE

(amps)

UL489

(AIC)

VDE

(AIC)

65 DC - 1 .05-50 - 7500 -

65 DC - 2** 101-150 - 50 000 -

65 DC - 3** 175-200 - 50000 -

80 DC - 1 .05-100 .10-100 10000 2000

80 DC - 1 .05-100 - 50000 -

80 DC - 2** 125-150 125-150 10000 2000

80 DC - 3** 175-200 151-200 10000 2000

125 DC - 1 .05-70 .05-70 5000 3000

125/250 DC - 2 .05-50 - 5000 -

125 50/60 1&3 1 .05-40 - 10000 -

125 50/60 1&3 1 .05-50 .10-50 5000 2000

120/240 50/60 1 2 .05-70 .10-50 5000 2000

240 50/60 1&3 1 .05-20 - 5000 -

AGENCY APPROVALS - CELHP

80 DC - 4 400 - 10000 AIC

(UL489A)

AGENCY APPROVALS - IDL/IDLP (MARINE)

Voltage

Frequency

(Hz) Phase

Min.

Poles TC OL UL/CSA

VDE

(amps)

UL 1077 & CSA

(AIC)

VDE

(AIC)

48 DC - 1 1 1 .02-100 - U1, 5000 -

48 DC - 2** 1 1 101-150 - U1, 5000 -

65 DC - 1 1 1 .02-60 - U1, 1000 -

80 DC - 1 1 1 .02-100 - U2, 1500 -

125 50/60 1 1 1 1 .02-100 - U 1, 1500 -

250 50/60 1 2 1 1 .02-100 - U2, 1500 -

250 50/60 1&3 1 1 1 .02-60 - U1, 1000 -

AGENCY APPROVALS - IULQ (TAPPED COIL)

Voltage

Frequency

(Hz) Phase

Min.

Poles TC OL UL/CSA

VDE

(amps)

UL 1077 & CSA

(AIC)

VDE

(AIC)

125/250 50/60 1 1 1 1 2/1-30/15 - C2, 5000(1) -

http://airpax.sensata.com/ IAL/CEL/LEL Series - Operating Characteristics 150

IAL Series - Specifications

IAL Series

164

'— IEL 1 -1REC4— 61- 20.

IAL/IUL/IEL DECISION TABLES

The ordering code for IAL/IUL/IEL/LEL

circuit protectors may be determined by

following the decision steps in the

appropriate part number decision table

subsequent to this page.

The coding given permits a self-assigning

part number but with certain limitations.

Special applications may require a factory

assigned part number. Typical examples

are units with mixed ratings, combinations

of styles, or constructions not listed in the

third decision table, etc. With these, it is

suggested that order entry be by

description and/or drawings, and a part

number will be established. Additionally, it

is standard policy to establish a factory-

assigned part number whenever a

descriptive drawing exists to provide cross

reference, traceability and manufacturing

control.

When specifying a circuit breaker for AC

motor start or high inrush applications, the

peak amplitude and surge duration should

be specified for factory assistance in rating

selection.

For example the code shown is the code

for a single pole breaker with a series

construction and auxiliary switch,

designed for operation in a 50/60Hz

circuit. It has a short time delay, rating of

20 amperes and a marked black handle,

and is VDE approved.

To determine the ordering number for your

particular IAL/IUL/IEL unit, simply follow

the steps shown. You may use this number

to place an order or as a reference for

further questions you may have.

Notes:

IEL, IELH and IELX circuit protectors are designed

to meet 8mm creepage clearance requirements for

installation Category 111, Pollution Degree 3, Case A as

measured in IEC 664. Intended for use in equipment to

comply with IEC 950, 601 and VDE 0804 & 0805.

Second Decision

Single pole

Two pole

Three pole

Four pole*

111

1111

Poles

*Not available in toggle seal handle type.

Consult factory for 5 and 6 pole IEL part number.

Internal Configuration

Third Decision

* Only one auxiliary switch is normally supplied on two or three

pole units. Switch is located in the right-hand pole (viewed from

terminal end) unless otherwise specified.

12 3 4

IEL 1 - 1REC4- 61- 20.0 - 01 - V

Example:

Black

Yellow

Red

Blue

Green

Orange

White

-00

-10

-20

-30

-40

-60

-90

-01 (STD)

-11

-21

-31

-41

-61

-91

Seventh Decision

Handle Color and Marking Selection

IAL, IUL, IEL, IALH,

IULH, IELH - Toggle Handle

Marked*

ON-OFF

Color Unmarked I-O

Fifth Decision

Rated Current

Use three numbers to print required

current value between .10 0 amps

minimum and 100 amps maximum.

For example, use:

.100 or 2.00 or 10.0

The VDE (lth) will be 95% of the

UL/CSA rated current.

Fourth Decision

Frequency & Delay

Switch only

400Hz short delay

400Hz long delay

400Hz motor start

400Hz 150% instant trip

DC short delay

DC long delay

DC motor start

DC 125% instant trip

50/60Hz short delay

50/60Hz long delay

50/60Hz motor start

50/60Hz 125% instant trip

DC/60Hz short delay

DC/60Hz long delay

DC/60Hz motor start

DC/60 Hz 135% instant trip

For addition of inertial delay, add an ìFî to any

delay numeral.

-41

-42

-43

-49

-51

-52

-53

-59

-61

-62

-63

-69

-71

-72

-73

-79

Notes: A. Bezels of IALBX, IULBX, IELB, IELBX are black.

B. Consult factory for other marking options.

Note: CCC Approval is pending.

Black

Red

Grey

Orange

White

-00

-20

-40

-50

-90

-01

-21

-41

-51

-91

-02

-22

-42

-52

-92

-03

-23

-43

-53

-93

-04

-24

-44

-54

-94

-05

-25

-45

-55

-95

-06

-26

-46

-56

-96

I-O

Fig.2

Unmarked

Marking

Detail

Seventh Decision

Rocker Handle Color, Indicator Color and Marking Selection (See Notes)

IALX, IULX, IELX, IALZX, IULZX, IELZX Rocker Handle (Single Rocker Color)

Rocker

Handle

Color

Indicating

Color

Marking

Color Indicates:

On-Off

Fig.1

On-Off

I-O

Fig.3

On-Off

I-O

Fig.6

I-O

Fig.5

On-Off

Fig.4

Vertical Mounting Horizontal Mounting

N/A

Black

White

Red

Green

White

-J0

-K0

-L0

-J1

-K1

-L1

-J2

-K2

-L2

-J3

-K3

-L3

-J4

-K4

-L4

-J5

-K5

-L5

-J6

-K6

-L6

White

Black

IALZX, IULZX, IELZX Rocker Handle (Dual Rocker Color)

Black

White

Red

Green

White

Red

Green

White

Off

-A0

-B0

-C0

-F0

-G0

-H0

-A1

-B1

-C1

-F1

-G1

-H1

-A2

-B2

-C2

-F2

-G2

-H2

-A3

-B3

-C3

-F3

-G3

-H3

-A4

-B4

-C4

-F4

-G4

-H4

-A5

-B5

-C5

-F5

-G5

-H5

-A6

-B6

-C6

-F6

-G6

-H6

Black

White

Red

Green

Yellow

White

Red

Green

Yellow

Off

-M0

-N0

-P0

-R0

N/A

-M2

-N2

-P2

-R2

-M3

-N3

-P3

-R3

N/A

-M6

-N6

-P6

-R6

N/A

IALBX, IULBX, IELBX, LELBX Rocker Handle (Dual Rocker Color)

IALBX

**IULBX

***IELBX

**IMLBX

One handle per unit

One handle per pole

One handle per unit

panel seal

One handle per unit,

rocker, bracket mounting

One handle per unit,

rocker, integral mounting

One handle per unit

UL 1500

One handle per pole

UL 1500

One handle per unit

mid trip indication

One handle per pole

mid trip indication

One handle per unit,

rocker, accidental-off

protection

One handle per unit,

mid trip indication, rocker,

accidental-off protection

*UL Recognized

**UL Recognized, CSA Certified

***UL Recognized, CSA Certified, VDE Approved

*** IML

*** IMLH

Select Type and Terminal

First Decision

IAL

**IUL

***IEL

IALH

**IULH

***IELH

IALN

***IULN

IALX

**IULX

***IELX

IALZX

**IULZX

***IELZX

* IDL

* IDLH

Type Terminal

Standard screw terminal,

no designation required

Stud terminals

Clip terminals

Bullet terminals

Sixth Decision

Notes:

1. One or more descriptions may be used as required.

2. When this is not used, table one may be substituted and U.S. thread and

two lockwashers will be supplied. Unit will be rated at 250V (50/60Hz only.)

3. VDE approved at 250Vac

4. VDE approved at 415Vac

-A

-B

-C

-D

-E

-G

-K

-L

-M

-P

-U

-W

-X

-1

-2

Standard hardware. No designation required.

Metric thread mounting inserts and terminals

Barrier

277V (50/60Hz only) (See note 3)

240/415V (50/60Hz only)

277V/480V (50/60Hz only) (See note 4)

Handle guard, (available in ZX, BX and snap-in

versions only)

1/4 - 20 stud (M6 stud when -A option is selected)

(<=70A requires -K, if >70A do not use -K)

Handle lock

Handle in opposite pole

Snap-in face plate adapter

120/240V 50/60Hz

Wire clamp supplied (VDE approved up to

and including 16.0 amps)

Handle guard with no actuation feature

(BX rocker only)

Silver 5/16" (.312") bullet

Gold 5/16" (.312") bullet

Optional

The shaded areas denote VDE and CCC

(if applicable) Approval options. This approval

requires the addition of a V at the end of the

part number. The V will be added to any part

number formed entirely from shaded decisions.

If non-shaded areas are selected, the unit will not

be VDE or CCC Approved, but other approvals

still apply.

V = VDE and CCC Approved

Description

Note: CCC Approval is pending.

-0

-1

-1REC4

-1REC5

-1REG4

-1RS4

-1RLS4

-1RS5

-3

-4

Switch only (50, 70 or 100 amp switch)

Series

Series with auxiliary switch*

.110 quick connect

Series with auxiliary switch*

.187 quick connect

Series with auxiliary switch

.110 quick connect

Series with alarm switch,

electrical trip, .110 quick connect

terminals

Series with alarm switch,

electrical trip, .110 quick connect

terminals (mid-trip only)

Series with alarm switch,

electrical trip, .187 quick connect

terminals

Shunt

Relay (not available in IEL/IELX)

This approval requires the addition of a C at the end

of the part number. The unit will not be VDE Approved.

C = CCC Approved

IAL Series - Decision Tables http://airpax.sensata.com

165

Second Decision

Single pole

Two pole

Three pole

Four pole*

111

1111

Poles

*Not available in toggle seal handle type.

Consult factory for 5 and 6 pole IEL part number.

Internal Configuration

Third Decision

* Only one auxiliary switch is normally supplied on two or three

pole units. Switch is located in the right-hand pole (viewed from

terminal end) unless otherwise specified.

12 3 4

IEL 1 - 1REC4- 61- 20.0 - 01 - V

Example:

Black

Yellow

Red

Blue

Green

Orange

White

-00

-10

-20

-30

-40

-60

-90

-01 (STD)

-11

-21

-31

-41

-61

-91

Seventh Decision

Handle Color and Marking Selection

IAL, IUL, IEL, IALH,

IULH, IELH - Toggle Handle

Marked*

ON-OFF

Color Unmarked I-O

Fifth Decision

Rated Current

Use three numbers to print required

current value between .10 0 amps

minimum and 100 amps maximum.

For example, use:

.100 or 2.00 or 10.0

The VDE (lth) will be 95% of the

UL/CSA rated current.

Fourth Decision

Frequency & Delay

Switch only

400Hz short delay

400Hz long delay

400Hz motor start

400Hz 150% instant trip

DC short delay

DC long delay

DC motor start

DC 125% instant trip

50/60Hz short delay

50/60Hz long delay

50/60Hz motor start

50/60Hz 125% instant trip

DC/60Hz short delay

DC/60Hz long delay

DC/60Hz motor start

DC/60 Hz 135% instant trip

For addition of inertial delay, add an ìFî to any

delay numeral.

-41

-42

-43

-49

-51

-52

-53

-59

-61

-62

-63

-69

-71

-72

-73

-79

Notes: A. Bezels of IALBX, IULBX, IELB, IELBX are black.

B. Consult factory for other marking options.

Note: CCC Approval is pending.

Black

Red

Grey

Orange

White

-00

-20

-40

-50

-90

-01

-21

-41

-51

-91

-02

-22

-42

-52

-92

-03

-23

-43

-53

-93

-04

-24

-44

-54

-94

-05

-25

-45

-55

-95

-06

-26

-46

-56

-96

I-O

Fig.2

Unmarked

Marking

Detail

Seventh Decision

Rocker Handle Color, Indicator Color and Marking Selection (See Notes)

IALX, IULX, IELX, IALZX, IULZX, IELZX Rocker Handle (Single Rocker Color)

Rocker

Handle

Color

Indicating

Color

Marking

Color Indicates:

On-Off

Fig.1

On-Off

I-O

Fig.3

On-Off

I-O

Fig.6

I-O

Fig.5

On-Off

Fig.4

Vertical Mounting Horizontal Mounting

N/A

Black

White

Red

Green

White

-J0

-K0

-L0

-J1

-K1

-L1

-J2

-K2

-L2

-J3

-K3

-L3

-J4

-K4

-L4

-J5

-K5

-L5

-J6

-K6

-L6

White

Black

IALZX, IULZX, IELZX Rocker Handle (Dual Rocker Color)

Black

White

Red

Green

White

Red

Green

White

Off

-A0

-B0

-C0

-F0

-G0

-H0

-A1

-B1

-C1

-F1

-G1

-H1

-A2

-B2

-C2

-F2

-G2

-H2

-A3

-B3

-C3

-F3

-G3

-H3

-A4

-B4

-C4

-F4

-G4

-H4

-A5

-B5

-C5

-F5

-G5

-H5

-A6

-B6

-C6

-F6

-G6

-H6

Black

White

Red

Green

Yellow

White

Red

Green

Yellow

Off

-M0

-N0

-P0

-R0

N/A

-M2

-N2

-P2

-R2

-M3

-N3

-P3

-R3

N/A

-M6

-N6

-P6

-R6

N/A

IALBX, IULBX, IELBX, LELBX Rocker Handle (Dual Rocker Color)

IALBX

**IULBX

***IELBX

**IMLBX

One handle per unit

One handle per pole

One handle per unit

panel seal

One handle per unit,

rocker, bracket mounting

One handle per unit,

rocker, integral mounting

One handle per unit

UL 1500

One handle per pole

UL 1500

One handle per unit

mid trip indication

One handle per pole

mid trip indication

One handle per unit,

rocker, accidental-off

protection

One handle per unit,

mid trip indication, rocker,

accidental-off protection

*UL Recognized

**UL Recognized, CSA Certified

***UL Recognized, CSA Certified, VDE Approved

*** IML

*** IMLH

Select Type and Terminal

First Decision

IAL

**IUL

***IEL

IALH

**IULH

***IELH

IALN

***IULN

IALX

**IULX

***IELX

IALZX

**IULZX

***IELZX

* IDL

* IDLH

Type Terminal

Standard screw terminal,

no designation required

Stud terminals

Clip terminals

Bullet terminals

Sixth Decision

Notes:

1. One or more descriptions may be used as required.

2. When this is not used, table one may be substituted and U.S. thread and

two lockwashers will be supplied. Unit will be rated at 250V (50/60Hz only.)

3. VDE approved at 250Vac

4. VDE approved at 415Vac

-A

-B

-C

-D

-E

-G

-K

-L

-M

-P

-U

-W

-X

-1

-2

Standard hardware. No designation required.

Metric thread mounting inserts and terminals

Barrier

277V (50/60Hz only) (See note 3)

240/415V (50/60Hz only)

277V/480V (50/60Hz only) (See note 4)

Handle guard, (available in ZX, BX and snap-in

versions only)

1/4 - 20 stud (M6 stud when -A option is selected)

(<=70A requires -K, if >70A do not use -K)

Handle lock

Handle in opposite pole

Snap-in face plate adapter

120/240V 50/60Hz

Wire clamp supplied (VDE approved up to

and including 16.0 amps)

Handle guard with no actuation feature

(BX rocker only)

Silver 5/16" (.312") bullet

Gold 5/16" (.312") bullet

Optional

The shaded areas denote VDE and CCC

(if applicable) Approval options. This approval

requires the addition of a V at the end of the

part number. The V will be added to any part

number formed entirely from shaded decisions.

If non-shaded areas are selected, the unit will not

be VDE or CCC Approved, but other approvals

still apply.

V = VDE and CCC Approved

Description

Note: CCC Approval is pending.

-0

-1

-1REC4

-1REC5

-1REG4

-1RS4

-1RLS4

-1RS5

-3

-4

Switch only (50, 70 or 100 amp switch)

Series

Series with auxiliary switch*

.110 quick connect

Series with auxiliary switch*

.187 quick connect

Series with auxiliary switch

.110 quick connect

Series with alarm switch,

electrical trip, .110 quick connect

terminals

Series with alarm switch,

electrical trip, .110 quick connect

terminals (mid-trip only)

Series with alarm switch,

electrical trip, .187 quick connect

terminals

Shunt

Relay (not available in IEL/IELX)

This approval requires the addition of a C at the end

of the part number. The unit will not be VDE Approved.

C = CCC Approved

MARKING DETAIL “A” (SEE TABLE)

LOAD LOAD

LINE

LOAD LOAD

LINE LINELINE

FIG. 2 FIG. 3 FIG. 4 FIG. 5

FIG. 1 FIG. 6

OFFON

OFF

OFFON

OFF

LINE LINE

ROCKER

HANDLE

COLOR

INDICATING

COLOR

INDICATING

COLOR

ROCKER

HANDLE

COLOR

INDICATION “ON”

Mounting/Indicator Code: A, B, C

INDICATION “OFF”

Mounting/Indicator Code: F, G, H

OFF

INDICATION “OFF”

Mounting/Indicator Code: M, N, P, R

MARKING DETAIL “C” (SEE TABLE)

FIG. 2 FIG. 3 FIG. 6

LINE

LOAD LOAD

LINE

OFF ON

OFF

MARKING DETAIL “B” (SEE TABLE)

FIG. 2 FIG. 3 FIG. 4 FIG. 5

FIG. 1 FIG. 6

OFFON

OFF

OFFON

OFF

LINE

LOAD

LOAD LINE LOAD LINE LOAD LINE

LINE

ROCKER

HANDLE

COLOR

INDICATING

COLOR

INDICATION “ON”

Mounting/Indicator Code: J, K, L

OFF

LINE

Second Decision

Single pole

Two pole

Three pole

Four pole*

111

1111

Poles

*Not available in toggle seal handle type.

Consult factory for 5 and 6 pole IEL part number.

Internal Configuration

Third Decision

* Only one auxiliary switch is normally supplied on two or three

pole units. Switch is located in the right-hand pole (viewed from

terminal end) unless otherwise specified.

12 3 4

IEL 1 - 1REC4- 61- 20.0 - 01 - V

Example:

Black

Yellow

Red

Blue

Green

Orange

White

-00

-10

-20

-30

-40

-60

-90

-01 (STD)

-11

-21

-31

-41

-61

-91

Seventh Decision

Handle Color and Marking Selection

IAL, IUL, IEL, IALH,

IULH, IELH - Toggle Handle

Marked*

ON-OFF

Color Unmarked I-O

Fifth Decision

Rated Current

Use three numbers to print required

current value between .10 0 amps

minimum and 100 amps maximum.

For example, use:

.100 or 2.00 or 10.0

The VDE (lth) will be 95% of the

UL/CSA rated current.

Fourth Decision

Frequency & Delay

Switch only

400Hz short delay

400Hz long delay

400Hz motor start

400Hz 150% instant trip

DC short delay

DC long delay

DC motor start

DC 125% instant trip

50/60Hz short delay

50/60Hz long delay

50/60Hz motor start

50/60Hz 125% instant trip

DC/60Hz short delay

DC/60Hz long delay

DC/60Hz motor start

DC/60 Hz 135% instant trip

For addition of inertial delay, add an ìFî to any

delay numeral.

-41

-42

-43

-49

-51

-52

-53

-59

-61

-62

-63

-69

-71

-72

-73

-79

Notes: A. Bezels of IALBX, IULBX, IELB, IELBX are black.

B. Consult factory for other marking options.

Note: CCC Approval is pending.

Black

Red

Grey

Orange

White

-00

-20

-40

-50

-90

-01

-21

-41

-51

-91

-02

-22

-42

-52

-92

-03

-23

-43

-53

-93

-04

-24

-44

-54

-94

-05

-25

-45

-55

-95

-06

-26

-46

-56

-96

I-O

Fig.2

Unmarked

Marking

Detail

Seventh Decision

Rocker Handle Color, Indicator Color and Marking Selection (See Notes)

IALX, IULX, IELX, IALZX, IULZX, IELZX Rocker Handle (Single Rocker Color)

Rocker

Handle

Color

Indicating

Color

Marking

Color Indicates:

On-Off

Fig.1

On-Off

I-O

Fig.3

On-Off

I-O

Fig.6

I-O

Fig.5

On-Off

Fig.4

Vertical Mounting Horizontal Mounting

N/A

Black

White

Red

Green

White

-J0

-K0

-L0

-J1

-K1

-L1

-J2

-K2

-L2

-J3

-K3

-L3

-J4

-K4

-L4

-J5

-K5

-L5

-J6

-K6

-L6

White

Black

IALZX, IULZX, IELZX Rocker Handle (Dual Rocker Color)

Black

White

Red

Green

White

Red

Green

White

Off

-A0

-B0

-C0

-F0

-G0

-H0

-A1

-B1

-C1

-F1

-G1

-H1

-A2

-B2

-C2

-F2

-G2

-H2

-A3

-B3

-C3

-F3

-G3

-H3

-A4

-B4

-C4

-F4

-G4

-H4

-A5

-B5

-C5

-F5

-G5

-H5

-A6

-B6

-C6

-F6

-G6

-H6

Black

White

Red

Green

Yellow

White

Red

Green

Yellow

Off

-M0

-N0

-P0

-R0

N/A

-M2

-N2

-P2

-R2

-M3

-N3

-P3

-R3

N/A

-M6

-N6

-P6

-R6

N/A

IALBX, IULBX, IELBX, LELBX Rocker Handle (Dual Rocker Color)

IALBX

**IULBX

***IELBX

**IMLBX

One handle per unit

One handle per pole

One handle per unit

panel seal

One handle per unit,

rocker, bracket mounting

One handle per unit,

rocker, integral mounting

One handle per unit

UL 1500

One handle per pole

UL 1500

One handle per unit

mid trip indication

One handle per pole

mid trip indication

One handle per unit,

rocker, accidental-off

protection

One handle per unit,

mid trip indication, rocker,

accidental-off protection

*UL Recognized

**UL Recognized, CSA Certified

***UL Recognized, CSA Certified, VDE Approved

*** IML

*** IMLH

Select Type and Terminal

First Decision

IAL

**IUL

***IEL

IALH

**IULH

***IELH

IALN

***IULN

IALX

**IULX

***IELX

IALZX

**IULZX

***IELZX

* IDL

* IDLH

Type Terminal

Standard screw terminal,

no designation required

Stud terminals

Clip terminals

Bullet terminals

Sixth Decision

Notes:

1. One or more descriptions may be used as required.

2. When this is not used, table one may be substituted and U.S. thread and

two lockwashers will be supplied. Unit will be rated at 250V (50/60Hz only.)

3. VDE approved at 250Vac

4. VDE approved at 415Vac

-A

-B

-C

-D

-E

-G

-K

-L

-M

-P

-U

-W

-X

-1

-2

Standard hardware. No designation required.

Metric thread mounting inserts and terminals

Barrier

277V (50/60Hz only) (See note 3)

240/415V (50/60Hz only)

277V/480V (50/60Hz only) (See note 4)

Handle guard, (available in ZX, BX and snap-in

versions only)

1/4 - 20 stud (M6 stud when -A option is selected)

(<=70A requires -K, if >70A do not use -K)

Handle lock

Handle in opposite pole

Snap-in face plate adapter

120/240V 50/60Hz

Wire clamp supplied (VDE approved up to

and including 16.0 amps)

Handle guard with no actuation feature

(BX rocker only)

Silver 5/16" (.312") bullet

Gold 5/16" (.312") bullet

Optional

The shaded areas denote VDE and CCC

(if applicable) Approval options. This approval

requires the addition of a V at the end of the

part number. The V will be added to any part

number formed entirely from shaded decisions.

If non-shaded areas are selected, the unit will not

be VDE or CCC Approved, but other approvals

still apply.

V = VDE and CCC Approved

Description

Note: CCC Approval is pending.

-0

-1

-1REC4

-1REC5

-1REG4

-1RS4

-1RLS4

-1RS5

-3

-4

Switch only (50, 70 or 100 amp switch)

Series

Series with auxiliary switch*

.110 quick connect

Series with auxiliary switch*

.187 quick connect

Series with auxiliary switch

.110 quick connect

Series with alarm switch,

electrical trip, .110 quick connect

terminals

Series with alarm switch,

electrical trip, .110 quick connect

terminals (mid-trip only)

Series with alarm switch,

electrical trip, .187 quick connect

terminals

Shunt

Relay (not available in IEL/IELX)

This approval requires the addition of a C at the end

of the part number. The unit will not be VDE Approved.

C = CCC Approved

IAL Series

Second Decision

Single pole

Two pole

Three pole

111

Poles

Fifth Decision

Rated Current

Use three numbers to print (.050 or 1.50 or 100)

Value between .050 amps and 10 0 amps.

Fourth Decision

Frequency and Delay

DC short delay

DC long delay

DC motor start

DC 125% instant trip

50/60Hz short delay

50/60Hz long delay

50/60Hz motor start

50/60Hz 125% instant trip

For addition of inertial delay, add an “F” to any

delay numeral.

*Not available above 100 amps.

-51

-52

-53*

-59

-61

-62

-63

-69

The shaded areas denote VDE and CCC (if applicable)

Approval options. This approval requires the addition of

a V at the end of the part number. The V will be added to

any part number formed entirely from shaded decisions.

If non-shaded areas are selected, the unit will not be

VDE or CCC Approved, but other approvals still apply.

V = VDE and CCC Approved

The approval requires the addition of a C at the end

of the part number. The unit will not be VDE Approved.

C = CCC Approved

12 3 4

LEL 1 - 1REC4 - 61 - 20.0 - 01 - V

Example:

Third Decision

* Used only with mid-trip.

-1

-1REC4

-1REC5

-1REG4

-1RS4

-1RLS4

Series

Series with auxiliary switch

.110 quick connect

Series with auxiliary switch

.187 quick connect

Series with auxiliary switch

(gold contacts)

.110 quick connect

Series with alarm switch,

electrical trip,

.110 quick connect

Series with alarm switch,

electrical trip,

.110 quick connect*

Internal Configuration

Note: Other options available, consult factory.

One handle per unit

One handle per pole

One handle per unit, mid-trip

indication

One handle per pole, mid-trip

indication

One handle per unit, rocker,

integral mounting

One handle per unit, rocker,

mid-trip indication, integral mounting

One handle per unit, rocker,

accidental-off protected

One handle per unit, rocker,

mid-trip indication, accidental-off

protected

LEL

LELH

LML

LMLH

LELZX

LMLZX

LELBX

LMLBX

Select Type and Terminal

First Decision

Type Terminal

Standard screw terminal,

no designation required

Stud terminals

Clip terminals

Bullet terminals

Description

Sixth Decision

Metric thread mounting inserts

and terminals

Barrier

240V 50/60Hz

Handle guard, (available in ZX, BX and

snap-in versions only)

1/4

- 20 Stud (M6 Stud when -A

option is selected) ( 50A requires -K,

>50A do not use -K)

Handle Lock

Handle in opposite pole

Snap-in mounting plate adapter

120/240Vac, 5000 A.I.C., 70A max.

2 pole only with barrier (VDE 250Vac)

125VDC

Handle guard with no actuate

"off" feature (see detail C)

Silver 5/16" (.312") bullet

Gold 5/16" (.312") bullet

-A

-B

-F

-G

-K

-L

-M

-P

-U

-V

-X

-1

-2

Optional

Notes:

1. One or more descriptions may be used as required.

2. When this decision is not used, decision 7 may be

substituted and U.S. thread will be supplied.

3.If (M5 or M6) studs are required, use “A” only on an LELK.

Seventh Decision

LEL Toggle Handle Color Selection

Black w/ white markings

Yellow w/ black markings

Red w/ white markings

Blue w/ white markings

Green w/ white markings

Orange w/ black markings

White w/ black markings

-01

-11

-21

-31

-41

-61

-91

See alternate 7th Decision for ZX and BX Rocker

Handles.

LEL DECISION TABLES

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IAL/CEL/LEL Series - Operating Characteristics

149 LEL Series - Decision Tables http://airpax.sensata.com

167

Notes: The LEL family of circuit breakers are designed

to meet 8mm creepage and clearance requirements for

installation Category 111, pollution degree 3, Case A as

measured in IEC 664. Intended for use in equipment designed

to comply with IEC 380, 435, 601 AND VDE 0730, 0804 & 0805.

LINE LINE

FIG. 2 FIG. 3 FIG. 4 FIG. 5

FIG. 1 FIG. 6

ROCKER HANDLE

COLOR

INDICATING COLOR

INDICATING

COLOR

ROCKER HANDLE

COLOR

INDICATION “ON”

Mounting/Indicator Code: A, B, C

LOAD LOAD

LINE

LOAD LOAD

LINE

INDICATION “OFF”

Mounting/Indicator Code: F, G, H

LINELINE

Area reserved for

amperage marking.

OFF

OFF ON

OFF

OFF ON

OFF

MARKING DETAIL “A” (SEE TABLE)

FIG. 2 FIG. 3 FIG. 4 FIG. 5

FIG. 1 FIG. 6

OFF OFF

LINE

LOAD LINE LOAD LINE LOAD LINE

MARKING DETAIL “B” (SEE TABLE)

OFFON

ON OFFON

LOAD

LINE

ROCKER HANDLE

COLOR

INDICATING COLOR

INDICATION “ON”

Mounting/Indicator Code: J, K, L

OFF

Notes: A. Bezels of IALBX, IULBX, IELB, IELBX are black.

B. Consult factory for other marking options.

Black

Red

Grey

Orange

White

-00

-20

-40

-50

-90

-01

-21

-41

-51

-91

-02

-22

-42

-52

-92

-03

-23

-43

-53

-93

-04

-24

-44

-54

-94

-05

-25

-45

-55

-95

-06

-26

-46

-56

-96

I-O

Fig.2

Unmarked

Marking

Detail

Seventh Decision

Rocker Handle Color, Indicator Color and Marking Selection (See Notes)

LELZX & LMLZX Rocker Handle (Single Rocker Color)

Rocker

Handle

Color

Indicating

Color

Marking

Color Indicates:

On-Off

Fig.1

On-Off

I-O

Fig.3

On-Off

I-O

Fig.6

I-O

Fig.5

On-Off

Fig.4

Vertical Mounting Horizontal Mounting

N/A

Black

White

Red

Green

White

-J0

-K0

-L0

-J1

-K1

-L1

-J2

-K2

-L2

-J3

-K3

-L3

-J4

-K4

-L4

-J5

-K5

-L5

-J6

-K6

-L6

White

Black

LELZX & LMLZX Rocker Handle (Dual Rocker Color)

Black

White

Red

Green

White

Red

Green

White

Off

-A0

-B0

-C0

-F0

-G0

-H0

-A1

-B1

-C1

-F1

-G1

-H1

-A2

-B2

-C2

-F2

-G2

-H2

-A3

-B3

-C3

-F3

-G3

-H3

-A4

-B4

-C4

-F4

-G4

-H4

-A5

-B5

-C5

-F5

-G5

-H5

-A6

-B6

-C6

-F6

-G6

-H6

Black

White

Red

Green

Yellow

White

Red

Green

Yellow

Off

-M0

-N0

-P0

-R0

N/A

-M2

-N2

-P2

-R2

-M3

-N3

-P3

-R3

N/A

-M6

-N6

-P6

-R6

-M5

-N5

-P5

-R5

LELBX Rocker Handle (Dual Rocker Color)

INDICATION “OFF”

Mounting/Indicator Code: M, N, P, R

ACTUATION

ACCESS

OPTIONAL

HANDLE

POSITION “OFF”

WITH GUARD

HANDLE

POSITION “ON”

WITH GUARD

MARKING DETAIL “C” (SEE TABLE)

FIG. 2 FIG. 3 FIG. 6

LINE

LOAD LOAD

LINE

OFF ON

OFF

MARKING DETAIL “A” (SEE TABLE)

LOAD LOAD

LINE

LOAD LOAD

LINE LINELINE

FIG. 2 FIG. 3 FIG. 4 FIG. 5

FIG. 1 FIG. 6

OFFON

OFF

OFFON

OFF

LINE LINE

ROCKER

HANDLE

COLOR

INDICATING

COLOR

INDICATING

COLOR

ROCKER

HANDLE

COLOR

INDICATION “ON”

Mounting/Indicator Code: A, B, C

INDICATION “OFF”

Mounting/Indicator Code: F, G, H

OFF

INDICATION “OFF”

Mounting/Indicator Code: M, N, P, R

MARKING DETAIL “C” (SEE TABLE)

FIG. 2 FIG. 3 FIG. 6

LINE

LOAD LOAD

LINE

OFF ON

OFF

MARKING DETAIL “B” (SEE TABLE)

FIG. 2 FIG. 3 FIG. 4 FIG. 5

FIG. 1 FIG. 6

OFFON

OFF

OFFON

OFF

LINE

LOAD

LOAD LINE LOAD LINE LOAD LINE

LINE

ROCKER

HANDLE

COLOR

INDICATING

COLOR

INDICATION “ON”

Mounting/Indicator Code: J, K, L

OFF

LINE

http://airpax.sensata.com/ IAL/CEL/LEL Series - Operating Characteristics 150

LEL Series - Decision Tables

IAL Series

168

chlmolnllns V=VDEa m was: Ar (n mummy approval m. a» and cm. was: m iny p enﬂmly «am 5 nonihaded . mu m new) mummy“ m swam |:|—

Second Decision

Single pole

Two pole

Three pole

111

Poles

Fifth Decision

Rated Current

Use three numbers in build (.050 or 1.50 or 100).

Required value between .050 amps minimum

and 125 amps maximum.

Fourth Decision

Frequency and Delay

DC short delay

DC long delay

DC motor start

DC 125% instant trip

For addition of inertial delay, add an “F” to any

delay numeral. Example: -51F

*Not available above 100 amps.

-51

-52

-53*

-59

The shaded areas denote VDE and CCC

(if applicable) approval options. This

approval requires the addition of a V at

the end of the part number. The V will be

added to any part number formed

entirely from shaded decisions. If

non-shaded areas are selected, the unit

will not be VDE or CCC Approved, but

other approvals still apply.

V = VDE and CCC Approved

The approval requires the addition of a

C at the end of the part number. The

unit will not be VDE Approved.

C = CCC Approved

12 3 4

CEL 1 - 1REC4 - 51 - 20.0 - A - 01 - V

576

Example:

Third Decision

* Only one auxiliary switch is normally supplied on two

and three pole units switch is located in the right hand

pole (viewed from terminal end). Note, aux switch

followed by “R” indicates reverse mount option

** Not available for 125 amp single pole

Internal Configuration

Select Type and Terminal

First Decision

Type Terminal

Standard screw terminal,

no designation required

Stud terminals

Clip terminals

Bullet terminals

Description

Sixth Decision

Optional

Notes:

1. One or more descriptions may be used as required.

2. When this decision is not used, decision 7 may be

substituted and U.S. thread will be supplied.

Seventh Decision

LEL Toggle Handle Color Selection

Black w/ white markings

Yellow w/ black markings

Red w/ white markings

Blue w/ white markings

Green w/ white markings

Orange w/ black markings

White w/ black markings

-01

-11

-21

-31

-41

-61

-91

See alternate 7th Decision for ZX and BX Rocker

Handles.

CEL One handle per unit, UL489A Listed

CELZX One handle per unit, rocker handle,

UL489A Listed

CELBX One handle per unit, flat rocker handle,

UL489A Listed

CELH One handle per pole, UL489A Listed

CML Single pole only, one handle per unit

mid-trip construction, UL489A Listed

-1REC4 Series with auxiliary switch

.110 quick connect

-1RLS4 ** Series with auxiliary switch

.110 quick connect, mid-trip only

-1REC5 Series with auxiliary switch

.187 quick connect

-1RS4 ** Alarm switch, .110 quick connect

-1 Series

CMLZX Single pole only, one handle per unit,

rocker handle w/ RLS aux switch,

mid-trip construction, UL489A Listed

CMLBX Single pole only, one handle per unit,

flat rocker handle w/ RLS aux switch,

mid-trip construction, UL489A Listed

CMLH One handle per pole

mid-trip construction, UL489A Listed

The approval requires the addition of a

T at the end of the part number. The

unit will only be TÜV EN60947-2

approved with a single pole,

125 amp rating configuration.

T = TÜV Approved

-A Metric thread mounting inserts and

terminals

-G Snap-in mounting plate adapter with

handle guard (ZX, BX and snap-in only)

-T 80VDC, 10000AIC, (required over 50A)

-V 125VDC

-1 Silver 5/16” (.312”) bullet

-2 Gold 5/16” (.312”) bullet

-K 1/4-20 Stud (M6 stud when metric option

-A selected) 50A requires -K, >50A do

not use -K

-B Barrier

-P Snap-in mounting plate adapter

CEL DECISION TABLES

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IAL/CEL/LEL Series - Operating Characteristics

149 CEL Series - Decision Tables http://airpax.sensata.com

169

SEEMMQ EEImmm

LINE LINE

FIG. 2 FIG. 3 FIG. 4 FIG. 5

FIG. 1 FIG. 6

ROCKER HANDLE

COLOR

INDICATING COLOR

INDICATING

COLOR

ROCKER HANDLE

COLOR

INDICATION “ON”

Mounting/Indicator Code: A, B, C

LOAD LOAD

LINE

LOAD LOAD

LINE

INDICATION “OFF”

Mounting/Indicator Code: F, G, H

LINELINE

Area reserved for

amperage marking.

OFF

OFF ON

OFF

OFF ON

OFF

MARKING DETAIL “A” (SEE TABLE)

FIG. 2 FIG. 3 FIG. 4 FIG. 5

FIG. 1 FIG. 6

OFF OFF

LINE

LOAD LINE LOAD LINE LOAD LINE

MARKING DETAIL “B” (SEE TABLE)

OFFON

ON OFFON

LOAD

LINE

ROCKER HANDLE

COLOR

INDICATING COLOR

INDICATION “ON”

Mounting/Indicator Code: J, K, L

OFF

Notes: A. Bezels of IALBX, IULBX, IELB, IELBX are black.

B. Consult factory for other marking options.

Black

Red

Grey

Orange

White

-00

-20

-40

-50

-90

-01

-21

-41

-51

-91

-02

-22

-42

-52

-92

-03

-23

-43

-53

-93

-04

-24

-44

-54

-94

-05

-25

-45

-55

-95

-06

-26

-46

-56

-96

I-O

Fig.2

Unmarked

Marking

Detail

Seventh Decision

Rocker Handle Color, Indicator Color and Marking Selection (See Notes)

LELZX & LMLZX Rocker Handle (Single Rocker Color)

Rocker

Handle

Color

Indicating

Color

Marking

Color Indicates:

On-Off

Fig.1

On-Off

I-O

Fig.3

On-Off

I-O

Fig.6

I-O

Fig.5

On-Off

Fig.4

Vertical Mounting Horizontal Mounting

N/A

Black

White

Red

Green

White

-J0

-K0

-L0

-J1

-K1

-L1

-J2

-K2

-L2

-J3

-K3

-L3

-J4

-K4

-L4

-J5

-K5

-L5

-J6

-K6

-L6

White

Black

LELZX & LMLZX Rocker Handle (Dual Rocker Color)

Black

White

Red

Green

White

Red

Green

White

Off

-A0

-B0

-C0

-F0

-G0

-H0

-A1

-B1

-C1

-F1

-G1

-H1

-A2

-B2

-C2

-F2

-G2

-H2

-A3

-B3

-C3

-F3

-G3

-H3

-A4

-B4

-C4

-F4

-G4

-H4

-A5

-B5

-C5

-F5

-G5

-H5

-A6

-B6

-C6

-F6

-G6

-H6

Black

White

Red

Green

Yellow

White

Red

Green

Yellow

Off

-M0

-N0

-P0

-R0

N/A

-M2

-N2

-P2

-R2

-M3

-N3

-P3

-R3

N/A

-M6

-N6

-P6

-R6

-M5

-N5

-P5

-R5

LELBX Rocker Handle (Dual Rocker Color)

INDICATION “OFF”

Mounting/Indicator Code: M, N, P, R

ACTUATION

ACCESS

OPTIONAL

HANDLE

POSITION “OFF”

WITH GUARD

HANDLE

POSITION “ON”

WITH GUARD

MARKING DETAIL “C” (SEE TABLE)

FIG. 2 FIG. 3 FIG. 6

LINE

LOAD LOAD

LINE

OFF ON

OFF

MARKING DETAIL “A” (SEE TABLE)

LOAD LOAD

LINE

LOAD LOAD

LINE LINELINE

FIG. 2 FIG. 3 FIG. 4 FIG. 5

FIG. 1 FIG. 6

OFFON

OFF

OFFON

OFF

LINE LINE

ROCKER

HANDLE

COLOR

INDICATING

COLOR

INDICATING

COLOR

ROCKER

HANDLE

COLOR

INDICATION “ON”

Mounting/Indicator Code: A, B, C

INDICATION “OFF”

Mounting/Indicator Code: F, G, H

OFF

INDICATION “OFF”

Mounting/Indicator Code: M, N, P, R

MARKING DETAIL “C” (SEE TABLE)

FIG. 2 FIG. 3 FIG. 6

LINE

LOAD LOAD

LINE

OFF ON

OFF

MARKING DETAIL “B” (SEE TABLE)

FIG. 2 FIG. 3 FIG. 4 FIG. 5

FIG. 1 FIG. 6

OFFON

OFF

OFFON

OFF

LINE

LOAD

LOAD LINE LOAD LINE LOAD LINE

LINE

ROCKER

HANDLE

COLOR

INDICATING

COLOR

INDICATION “ON”

Mounting/Indicator Code: J, K, L

OFF

LINE

http://airpax.sensata.com/ IAL/CEL/LEL Series - Operating Characteristics 150

CEL Series - Decision Tables

IAL Series

170

LELHP DECISION TABLES

LELPK One handle per unit

LMLPK One handle per unit, mid-trip

LELHPK One handle per pole

LMLHPK One handle per pole, mid-trip

LELZXPK One ZX rocker handle per unit (integral mounting)

LMLZXPK One ZX rocker handle per unit, mid-trip (integral mounting)

LELBXPK One BX rocker handle per unit (integral mounting)

LMLBXPK One BX rocker handle per unit, mid-trip (integral mounting)

LELHPK 11 - 1REC4 - 51 - 125. - A - 01 - V

Select Type with Stud Terminals

First Decision

Poles

Second Decision

11 Two pole (up to 150 amps)

111 Three pole (160 to 200 amps)

Internal Configuration

Third Decision

Frequency and Delay

Fourth Decision

Rated Current (Amps)

Fifth Decision

-51 DC 125% short delay (125 to 150 amp) 125.

130.

135.

150.

175.

200.

DC 135% short delay (160 to 200 amp)

-52 DC 125% long delay (125 to 150 amp)

DC 135% long delay (160 to 200 amp)

-59 DC 125% instant trip (125 to 150 amp)

DC 135% instant trip (160 to 200 amp)

Toggle Handle Color

Seventh Decision

Additional ratings available.

See LEL alternative 7th decision for

ZX & BX rocker handles

1. One toggle handle per unit on 125A to 150A units (2-parallel pole)

2. 175A to 200A (3-parallel pole) requires handle in each pole, “H” selection

-1 Series

-1REC4 Series with auxiliary switch

.110 quick connect

-1REG4 Series, aux switch (gold contacts)

.110 quick connect

-1RLSG4 Series, alarm aux switch (gold

contacts), .110 quick connect,

mid-trip only

-1RLS4 Series with alarm aux switch

.110 quick connect, mid-trip only

-1RS4 Series with alarm aux switch

.110 quick connect

-1RS4 Series with alarm aux switch

.187 quick connect

-1RS5 Series with alarm aux switch

.187 quick connect, mid-trip

-1REC5 Series with aux switch

.187 quick connect

-1RLS5 Series with alarm aux switch

.187 quick connect, mid-trip only

Example:

1 2 3 4 5 6 7

Sixth Decision

Optional (leave entry blank if none apply)

Notes:

1. One or more descriptions may be used as required.

2. When this decision is not used, decision 7 may be substituted and U.S. thread will be supplied.

-A Metric thread mounting inserts and terminals

-G Snap-in mounting plate adapter with handle guard (ZX, BX & snap-in only)

-X Handle guard with no actuate off feature (BX only, no mid-trip)

-P Snap-in mounting plate adapter

-31 Blue w/ white markings

-41 Green w/ white markings

-61 Orange w/ black markings

-01 Black w/ white markings

-11 Yellow w/ black markings

-21 Red w/ white markings

-91 White w/ black markings

The shaded areas denote VDE approval

options. This approval requires the

addition of a V at the end of the part

number. The V will be added to any part

number formed entirely from shaded

decisions. If non-shaded areas are

selected, the unit will not be VDE

approved, but other approvals still apply.

V = VDE Approved

For addition of intertial delay, add an “F” to any

delay option. Example: - 59 becomes -59F

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IAL/CEL/LEL Series - Operating Characteristics

149 LELHP Series - Decision Tables http://airpax.sensata.com

171

mm. mummmum mnsma bum“ mm: ' MN mm mm amps , wm m. mm“? M. “.1 mm 1 '5“. h. “Mm.“ .M . ‘ < m.“="" w”="" b="" "mm="">

CELHPK 11 - 1REC4 - 51 - 125. - A - 01 - V

Select Type

First Decision

CELP One toggle handle per unit

Poles

Second Decision

11 Two pole (up to 150 amps)

111 Three pole (160 to 250 amps)

1111 Four pole (400 amps)

Internal Configuration

Third Decision

Frequency and Delay

Fourth Decision

Rated Current (Amps)

Fifth Decision

-51 DC 125% short delay (101 to 150 amp) 125.

130.

135.

150.

175.

200.

400.

DC 135% short delay (160 to 250 amp)

-52 DC 125% long delay (101 to 150 amp)

DC 135% long delay (160 to 250 amp)

-53 DC 125% motor start (101 to 150 amp)

DC 135% motor start (160 to 250 amp)

-59 DC 125% instant trip (101 to 150 amp)

DC 135% instant trip (160 to 250 amp)

Toggle Handle Color

Seventh Decision

Additional ratings available. See LEL alternative 7th decision for

ZX & BX rocker handles

CELHP One toggle handle per pole

CMLHP One toggle handle per pole,

mid-trip construction

CELZXP One rocker handle per unit

CELBXP One flat rocker handle per unit

1. One toggle handle per unit is available only on 101A to 200A (two parallel pole construction)

2. 201A to 250A (three parallel pole constructions) require handles in each pole, “H” version

first decision

3. Unit supplied with bullet terminals will not have buss bar installed, unless requested, buss bar

supplied standard to 150A only.

4. One handle per unit is available for 100A to 200A (two parallel pole constructions) and

201A to 250A (three pole constructions) (ZX & BX versions only)

5. 400 amps available with toggle handes only

-0 Switch only

-1 Series

-1REC4 Series with auxiliary switch

.110 quick connect

-1RLS4 * Series with alarm aux. switch

.110 quick connect, mid-trip only

-1RS4 * Series with alarm aux. switch

.110 quick connect

-1RS4 * Series with alarm aux. switch

.187 quick connect

-1REC5 Series with auxiliary switch

.187 quick connect

-1RLS5 * Series with alarm aux. switch

.187 quick connect, mid-trip only

1. Only one auxiliary switch is normally supplied

on two and three pole units. Switch is located in

the right hand pole (viewed from terminal end

panel mount position).

2. When more than one aux. switch is required,

change the 1 (of the 1REC4) to 2 or 3. If switches

are mixed, then use “2R” or 3R”.

* Not available at 400 amps

Example:

Terminal

Standard screw terminal,

no designation required

Stud terminals

Clip terminals

Bullet terminals

1 2 3 4 5 6 7

Sixth Decision

Optional (leave entry blank if none apply)

Notes:

1. One or more descriptions may be used as required.

2. When this decision is not used, decision 7 may be substituted and U.S. thread will be supplied.

-A Metric thread mounting inserts and terminals

-G Snap-in mounting plate adapter with handle guard (ZX, BX & snap-in only)

-1 Silver 5/16” (.312”) bullet

-2 Gold 5/16” (.312”) bullet

-X Handle guard with no actuate off feature (BX only, no mid-trip)

-B Barrier

-01 Black w/ white markings

-11 Yellow w/ black markings

-21 Red w/ white markings

-31 Blue w/ white markings

-41 Green w/ white markings

-61 Orange w/ black markings

-91 White w/ black markings

The shaded areas denote VDE approval

options. This approval requires the

addition of a V at the end of the part

number. The V will be added to any part

number formed entirely from shaded

decisions. If non-shaded areas are

selected, the unit will not be VDE

approved, but other approvals still apply.

V = VDE Approved

CELHP DECISION TABLES

http://airpax.sensata.com/ IAL/CEL/LEL Series - Operating Characteristics 150

LELHP Series - Decision Tables

IAL Series

172

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