Circuit Breakers

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of 93,873

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
QMB-153-11C3N-3BA CIR BRKR THRM 15A 250VAC 32VDC Qualtek	2,571 In Stock	Unavailable Unavailable in your selected currency	QMB	Bulk	Active	Panel Mount	Thermal	15A	250 V	32 V	Push to Reset	1	-	-	TUV
W57-XB7A4A10-20 CIR BRKR THRM 20A 250VAC TE Connectivity Potter & Brumfield Relays	3,942 In Stock	Unavailable Unavailable in your selected currency	W57	Tray	Active	Panel Mount	Thermal	20A	250 V	-	Push to Reset	1	-	-	-
W28-XQ1A-15 CIR BRKR THRM 15A 250VAC 32VDC TE Connectivity Potter & Brumfield Relays	1,756 In Stock	Unavailable Unavailable in your selected currency	W28	Bulk	Active	Panel Mount	Thermal	15A	250 V	32 V	Push to Reset	1	-	-	-
W54-XB1A4A10-20 CIR BRKR THRM 20A 250VAC TE Connectivity Potter & Brumfield Relays	7,253 In Stock	Unavailable Unavailable in your selected currency	W54	Tray	Not For New Designs	Panel Mount	Thermal	20A	250 V	-	Push to Reset	1	-	-	-
W28-XQ1A-4 CIR BRKR THRM 4A 250VAC 32VDC TE Connectivity Potter & Brumfield Relays	4,420 In Stock	Unavailable Unavailable in your selected currency	W28	Bulk	Active	Panel Mount	Thermal	4A	250 V	32 V	Push to Reset	1	-	-	-
W28-XQ1A-20 CIR BRKR THRM 20A 250VAC 32VDC TE Connectivity Potter & Brumfield Relays	1,486 In Stock	Unavailable Unavailable in your selected currency	W28	Bulk	Active	Panel Mount	Thermal	20A	250 V	32 V	Push to Reset	1	-	-	-
W28-XT1A-15 CIR BRKR THRM 15A 250VAC 32VDC TE Connectivity Potter & Brumfield Relays	950 In Stock	Unavailable Unavailable in your selected currency	W28	Bulk	Active	Panel Mount	Thermal	15A	250 V	32 V	Push to Reset	1	-	-	-
W28-XQ1A-10 CIR BRKR THRM 10A 250VAC 32VDC TE Connectivity Potter & Brumfield Relays	793 In Stock	Unavailable Unavailable in your selected currency	W28	Bulk	Active	Panel Mount	Thermal	10A	250 V	32 V	Push to Reset	1	-	-	-
4404.0002 CIR BRKR THRM 6A 240VAC 48VDC SCHURTER Inc.	6,662 In Stock	Unavailable Unavailable in your selected currency	T9-611	Box	Active	Panel Mount	Thermal	6A	240 V	48 V	Push to Reset	1	-	-	CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077
W51-A152A1-15 CIR BRKR THRM 15A 250VAC 50VDC TE Connectivity Potter & Brumfield Relays	2,331 In Stock	Unavailable Unavailable in your selected currency	W51	Tray	Active	Panel Mount	Thermal	15A	250 V	50 V	Rocker	1	-	-	-
W51-A152A1-10 CIR BRKR THRM 10A 250VAC 50VDC TE Connectivity Potter & Brumfield Relays	1,726 In Stock	Unavailable Unavailable in your selected currency	W51	Tray	Active	Panel Mount	Thermal	10A	250 V	50 V	Rocker	1	-	-	-
W51-A121B1-15 CIR BRKR THRM 15A 125VAC 50VDC TE Connectivity Potter & Brumfield Relays	9,142 In Stock	Unavailable Unavailable in your selected currency	W51	Tray	Active	Panel Mount	Thermal	15A	125 V	50 V	Rocker	1	Red	-	-
W51-A121B1-10 CIR BRKR THRM 10A 125VAC 50VDC TE Connectivity Potter & Brumfield Relays	287 In Stock	Unavailable Unavailable in your selected currency	W51	Tray	Active	Panel Mount	Thermal	10A	125 V	50 V	Rocker	1	Red	-	-
W58-XB1A4A-8 CIR BRKR THRM 8A 250VAC 50VDC TE Connectivity Potter & Brumfield Relays	1,062 In Stock	Unavailable Unavailable in your selected currency	W58	Tray	Active	Panel Mount	Thermal	8A	250 V	50 V	Push to Reset	1	-	-	-
W58-XB1A4A-5 CIR BRKR THRM 5A 250VAC 50VDC TE Connectivity Potter & Brumfield Relays	916 In Stock	Unavailable Unavailable in your selected currency	W58	Tray	Active	Panel Mount	Thermal	5A	250 V	50 V	Push to Reset	1	-	-	-
1658-G21-01-P10-20A CIR BRKR THRM 20A 240VAC 28VDC E-T-A	859 In Stock	1 : ¥64.68000 Bulk	1658	Bulk	Active	Panel Mount	Thermal	20A	240 V	28 V	Push to Reset	1	None	-	CE, CSA C22.2 No 235, IEC 60934, UL1077
W28-XQ1A-2 CIR BRKR THRM 2A 250VAC 32VDC TE Connectivity Potter & Brumfield Relays	12,811 In Stock	Unavailable Unavailable in your selected currency	W28	Bulk	Active	Panel Mount	Thermal	2A	250 V	32 V	Push to Reset	1	-	-	-
W28-XQ1A-0.50 CIR BRKR THRM 500MA 250VAC 32VDC TE Connectivity Potter & Brumfield Relays	288 In Stock	Unavailable Unavailable in your selected currency	W28	Bulk	Active	Panel Mount	Thermal	500mA	250 V	32 V	Push to Reset	1	-	-	-
W58-XB1A4A-20 CIR BRKR THRM 20A 250VAC 50VDC TE Connectivity Potter & Brumfield Relays	1 In Stock 1,280 Marketplace	Unavailable Unavailable in your selected currency	W58	Tray	Active	Panel Mount	Thermal	20A	250 V	50 V	Push to Reset	1	-	-	-
W58-XB1A4A-1 CIR BRKR THRM 1A 250VAC 50VDC TE Connectivity Potter & Brumfield Relays	274 In Stock	Unavailable Unavailable in your selected currency	W58	Tray	Active	Panel Mount	Thermal	1A	250 V	50 V	Push to Reset	1	-	-	-
1610-21-10A CIR BRKR THRM 10A 32VDC E-T-A	2,184 In Stock	1 : ¥95.86000 Bulk	1610	Bulk	Active	Holder	Thermal	10A	-	32 V	Push to Reset	1	None	-	UL1500
1610-21-5A CIRCUIT BREAKER THRM 5A 32VDC E-T-A	1,804 In Stock	1 : ¥95.86000 Box	1610	Box	Active	Holder	Thermal	5A	-	32 V	Push to Reset	1	None	-	UL1500
1610-21-25A CIR BRKR THRM 25A 32VDC E-T-A	842 In Stock	1 : ¥95.86000 Bulk	1610	Bulk	Active	Holder	Thermal	25A	-	32 V	Push to Reset	1	None	-	UL1500
1610-21-15A CIR BRKR THRM 15A 32VDC E-T-A	576 In Stock	1 : ¥95.86000 Bulk	1610	Bulk	Active	Holder	Thermal	15A	-	32 V	Push to Reset	1	None	-	UL1500
1610-21-20A CIR BRKR THRM 20A 32VDC E-T-A	1,561 In Stock	1 : ¥96.66000 Bulk	1610	Bulk	Active	Holder	Thermal	20A	-	32 V	Push to Reset	1	None	-	UL1500

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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.