Circuit Breakers

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of 32

Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Mounting Type	Breaker Type	Current Rating (Amps)	Voltage Rating - AC	Voltage Rating - DC	Actuator Type	Number of Poles	Illumination	Illumination Voltage (Nominal)

W57-XB2A99C10-10 CIR BRKR THRM 10A 250VAC TE Connectivity Potter & Brumfield Relays	602 In Stock	1 : ¥30.83000 Tray	W57	Tray	Active	Panel Mount	Thermal	10A	250 V	-	Push to Reset	1	-	-
W57-XB1A4A10-20 CIR BRKR THRM 20A 250VAC TE Connectivity Potter & Brumfield Relays	718 In Stock	1 : ¥46.02000 Tray	W57	Tray	Active	Panel Mount	Thermal	20A	250 V	-	Push to Reset	1	-	-
W57-XB1A4A10-15 CIR BRKR THRM 15A 250VAC TE Connectivity Potter & Brumfield Relays	472 In Stock	1 : ¥46.02000 Tray	W57	Tray	Active	Panel Mount	Thermal	15A	250 V	-	Push to Reset	1	-	-
W57-XB2A99C10-15 CIR BRKR THRM 15A 250VAC TE Connectivity Potter & Brumfield Relays	332 In Stock	1 : ¥30.83000 Tray	W57	Tray	Active	Panel Mount	Thermal	15A	250 V	-	Push to Reset	1	-	-
W57-XB6A99C10-10 CIR BRKR THRM TE Connectivity Potter & Brumfield Relays	139 In Stock	1 : ¥46.55000 Bulk	W57	Bulk	Active	Panel Mount	Thermal	10A	250 V	-	Push to Reset	1	-	-
W57-XB6A99C10-12 CIR BRKR THRM 12A 250VAC TE Connectivity Potter & Brumfield Relays	769 In Stock	1 : ¥56.30000 Tray	W57	Tray	Active	Panel Mount	Thermal	12A	250 V	-	Push to Reset	1	-	-
W57-XB6A99C10-7 CIR BRKR THRM TE Connectivity Potter & Brumfield Relays	524 In Stock	1 : ¥60.95000 Bulk	W57	Bulk	Active	Panel Mount	Thermal	7A	250 V	-	Push to Reset	1	-	-
W57-XB2A99C10-5 CIR BRKR THRM 5A 250VAC TE Connectivity Potter & Brumfield Relays	722 In Stock	1 : ¥38.82000 Tray	W57	Tray	Active	Panel Mount	Thermal	5A	250 V	-	Push to Reset	1	-	-
5-1423364-4 CKTBKR,THERM,PB,QC.250 TE Connectivity Potter & Brumfield Relays	877 In Stock	1 : ¥60.95000 Box	W57	Box	Active	Panel Mount	Thermal	5A	250 V	-	Push to Reset	1	None	-
W57-XB6A99C10-15 CIR BRKR THRM TE Connectivity Potter & Brumfield Relays	76 In Stock	1 : ¥41.19000 Bulk	W57	Bulk	Active	Panel Mount	Thermal	15A	250 V	-	Push to Reset	1	-	-
W57-XB2A99C10-4 CIR BRKR THRM 4A 250VAC TE Connectivity Potter & Brumfield Relays	0 In Stock Check Lead Time	3,200 : ¥12.08621 Tray	W57	Tray	Active	Panel Mount	Thermal	4A	250 V	-	Push to Reset	1	-	-
W57-XC1I8B20-20 CIR BRKR THRM 20A 125VAC 50VDC TE Connectivity Potter & Brumfield Relays	0 In Stock Check Lead Time	800 : ¥15.43486 Tray	W57	Tray	Active	Panel Mount	Thermal	20A	125 V	50 V	Push to Reset	1	-	-
W57-XB1D7B20-15 CIR BRKR THRM 15A 125VAC 50VDC TE Connectivity Potter & Brumfield Relays	0 In Stock Check Lead Time	800 : ¥16.63239 Tray	W57	Tray	Active	Panel Mount	Thermal	15A	125 V	50 V	Push to Reset	1	-	-
W57-XB2A99C10-20 CIR BRKR THRM 20A 250VAC 50VDC TE Connectivity Potter & Brumfield Relays	0 In Stock Check Lead Time	200 : ¥18.52200 Tray	W57	Tray	Active	Panel Mount	Thermal	20A	250 V	50 V	Push to Reset	1	-	-
W57-XH1I8B20-15 CIR BRKR THRM 15A 125VAC 50VDC TE Connectivity Potter & Brumfield Relays	0 In Stock Check Lead Time	200 : ¥18.52200 Tray	W57	Tray	Active	Panel Mount	Thermal	15A	125 V	50 V	Push to Reset	1	-	-
W57-XA2A7B10-5 CIR BRKR THRM TE Connectivity Potter & Brumfield Relays	0 In Stock Check Lead Time	800 : ¥22.76640 Bulk	W57	Bulk	Active	Panel Mount	Thermal	5A	250 V	-	Push to Reset	1	-	-
W57-XI1F8B10-20 CIR BRKR THRM 20A 250VAC TE Connectivity Potter & Brumfield Relays	0 In Stock Check Lead Time	200 : ¥23.15230 Tray	W57	Tray	Active	Panel Mount	Thermal	20A	250 V	-	Push to Reset	1	-	-
W57-XC6F4B10-10 CIR BRKR THRM TE Connectivity Potter & Brumfield Relays	0 In Stock Check Lead Time	200 : ¥27.32150 Bulk	W57	Bulk	Active	Panel Mount	Thermal	10A	250 V	-	Push to Reset	1	-	-
W57-XA1A8B10-15 CIR BRKR THRM 15A 250VAC TE Connectivity Potter & Brumfield Relays	0 In Stock Check Lead Time	200 : ¥27.47695 Tray	W57	Tray	Active	Panel Mount	Thermal	15A	250 V	-	Push to Reset	1	-	-
W57-XB1A4B11-10 CIR BRKR THRM 10A 250VAC TE Connectivity Potter & Brumfield Relays	0 In Stock Check Lead Time	200 : ¥31.66810 Tray	W57	Tray	Active	Panel Mount	Thermal	10A	250 V	-	Push to Reset	1	-	-
W57-XB7A4A10-12 CIR BREAKER THERMAL 12A 250VAC TE Connectivity Potter & Brumfield Relays	0 In Stock Check Lead Time	800 : ¥32.66163 Tube	W57	Tube	Active	Panel Mount	Thermal	12A	250 V	-	Push to Reset	1	-	-
W57-XA7A15A10-20 CIR BRKR THRM TE Connectivity Potter & Brumfield Relays	0 In Stock Check Lead Time	200 : ¥35.39375 Bulk	W57	Bulk	Active	Panel Mount	Thermal	20A	250 V	-	Push to Reset	1	-	-
W57-XB6A4B10-5 CIR BRKR THRM TE Connectivity Potter & Brumfield Relays	0 In Stock Check Lead Time	800 : ¥35.51790 Bulk	W57	Bulk	Active	Panel Mount	Thermal	5A	250 V	-	Push to Reset	1	-	-
W57-XB1A5A10-20 CIR BRKR THRM 20A 250VAC TE Connectivity Potter & Brumfield Relays	0 In Stock	Obsolete	W57	Tray	Obsolete	Panel Mount	Thermal	20A	250 V	-	Push to Reset	1	-	-
W57-XB1A5A10-5 CIR BRKR THRM 5A 250VAC TE Connectivity Potter & Brumfield Relays	0 In Stock	Obsolete	W57	Tray	Obsolete	Panel Mount	Thermal	5A	250 V	-	Push to Reset	1	-	-

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A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected. Unlike a fuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation.