Circuit Breakers

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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)	Approval Agency
W91-X112-20 CIR BRKR MAG-HYDR 20A 277VAC TE Connectivity Potter & Brumfield Relays	143 In Stock	1 : $612.43000 Bulk	W9	Bulk	Active	Panel Mount	Magnetic (Hydraulic Delay)	20A	277 V	-	Lever	1	-	-	-
IELK1-1-72-50.0-01-V CIR BRKR 50A 240VAC 80VDC Sensata-Airpax	60 In Stock	1 : $447.58000 Tray	IEL	Tray	Active	Panel Mount	Magnetic (Hydraulic Delay)	50A	240 V	80 V	Lever	1	None	-	UL1077
W91-X112-10 CIR BRKR MAG-HYDR 10A 277VAC TE Connectivity Potter & Brumfield Relays	144 In Stock	1 : $549.45000 Bulk	W9	Bulk	Active	Panel Mount	Magnetic (Hydraulic Delay)	10A	277 V	-	Lever	1	-	-	-
IELK1-1-72-100.-01 CIR BRKR 100A 240VAC 80VDC Sensata-Airpax	15 In Stock	1 : $625.09000 Tray	IEL	Tray	Active	Panel Mount	Magnetic (Hydraulic Delay)	100A	240 V	80 V	Lever	1	None	-	UL1077
IELK1-1-72-70.0-01-V CIR BRKR 70A 240VAC 80VDC Sensata-Airpax	6 In Stock	1 : $625.09000 Tray	IEL	Tray	Active	Panel Mount	Magnetic (Hydraulic Delay)	70A	240 V	80 V	Lever	1	None	-	UL1077
CA1-B0-34-615-121-D CIR BRKR 15A 240VAC 125VDC Carling Technologies	0 In Stock Check Lead Time	4 : $458.48500 Bulk	C	Bulk	Active	Panel Mount	Magnetic (Hydraulic Delay)	15A	480 V	125 V	Lever	1	None	-	CSA, UL, VDE
CA1-B0-34-620-121-D CIR BRKR 20A 240VAC 125VDC Carling Technologies	0 In Stock Check Lead Time	4 : $458.48500 Bulk	C	Bulk	Active	Panel Mount	Magnetic (Hydraulic Delay)	20A	480 V	125 V	Lever	1	None	-	CSA, UL, VDE
CA1-B0-34-630-121-D CIR BRKR 30A 240VAC 125VDC Carling Technologies	0 In Stock Check Lead Time	4 : $458.48500 Bulk	C	Bulk	Active	Panel Mount	Magnetic (Hydraulic Delay)	30A	480 V	125 V	Lever	1	None	-	CSA, UL, VDE
CA1-B0-34-610-121-D CIR BRKR 10A 240VAC 125VDC Carling Technologies	0 In Stock Check Lead Time	4 : $461.22250 Bulk	C	Bulk	Active	Panel Mount	Magnetic (Hydraulic Delay)	10A	480 V	125 V	Lever	1	None	-	CSA, UL, VDE
DA1-B0-34-450-121-C CIR BRKR MAGHYDR 5A 480VAC 65VDC Carling Technologies	0 In Stock Check Lead Time	4 : $535.09000 Bulk	D	Bulk	Active	DIN Rail	Magnetic (Hydraulic Delay)	5A	480 V	65 V	Lever	1	None	-	CSA, UL
DA1-B0-34-610-121-C CIR BRKR 10A 480VAC 65VDC Carling Technologies	0 In Stock Check Lead Time	4 : $535.09000 Bulk	D	Bulk	Active	DIN Rail	Magnetic (Hydraulic Delay)	10A	480 V	65 V	Lever	1	None	-	CSA, UL
DA1-B0-34-620-121-C CIR BRKR 20A 480VAC 65VDC Carling Technologies	0 In Stock Check Lead Time	4 : $535.09000 Bulk	D	Bulk	Active	DIN Rail	Magnetic (Hydraulic Delay)	20A	480 V	65 V	Lever	1	None	-	CSA, UL

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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.