£M1L‘”
Pushbutton Switches
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Butt Contact Pushbutton Switches
SERIES 30
Sealed, Front Panel Mounting
FEATURES
Threaded bushing•
Choice of 6 button colors•
SPST (momentary contact)•
Gold plated contacts•
Strong, lightweight aluminum housing•
Sealed against dust and moisture•
to IP67 (to IP67 with silicone boot*)
DIMENSIONS in inches (and millimeters)
RATING
Cycles: 500,000 actuations
Operating Temperature: -40ºC to +80ºC
Shock: 100 G's/6 milliseconds
Travel: .090 nominal
Travel Before Make: .035 nominal
Rating at 24 VDC: 150 milliamps
Voltage Breakdown: 1000 Vac
Contact Resistance: 25 Milliohms max
(initial)
Insulation Resistance: 1,000 Megaohms
minimum
MATERIAL
Housing: Aluminum, black chrome finish
Button, Base, and Plunger: Nylon, 45%
glass-filled
Terminal: Brass, gold-plated over nickel
Shorting Bar: Brass, gold-plated over nickel
Internal Seal: Silicone rubber
O-ring panel Seal: Silicone
Spring: Tinned music wire
Hex Nut: 1/2-32, Brass with Nickel Plating,
P/N 635201
Lockwasher: Internal,1/2 dia. , Steel with
Zinc plating, P/N 635401
* Switch meets IP67 without boot if not
actuated during immersion
Ø
.689
17,51[ ]
.220
5,59[ ]
.298
7,58[ ]
.182
4,62[ ]
.110
2,79[ ]
.503
12,78
[ ]
Ø
.522
13,26[ ]
REF..780
19,81[ ]
.050
1,27[ ]
1/2-32 UNEF THREADS
Ø
±.003
.530
13,46
±.003
.510
12,95
RECOMMENDED PANEL
CUTOUT
[ ]
[ ]
ORDERING INFORMATION
30-201B-1S
Series
Threaded Bushing
Strain Relief: Blank = shrink tubing, S = strain relief
Connection: Blank = terminals, E = epoxy rear seal
1 = 6" leads, 2 = 12" leads, 3 = 36" leads
Silicone Boot: Blank = no boot, B = black boot, C = clear boot
Cap Color: 0 = black, 1 = red, 2 = green
3 = yellow, 4 = orange, 5 = blue
Cable Options
pictured with clear
silicone boot
CIRCUITRY: SPST N.O.
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