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Circuit Breakers

Circuit breakers are in stock with same-day shipping at Mouser from leading manufacturers. Mouser is an authorized distributor for many circuit breaker manufacturers including ABB, Carling Technologies, Eaton, E-T-A Circuit Breakers, Phoenix Contact, Sensata, Schurter, Siemens, TE Connectivity & more.
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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	Series	Product	Type	Current Rating	Voltage Rating AC	Voltage Rating DC	Number of Poles	Actuator	Minimum Operating Temperature	Maximum Operating Temperature	Illuminated	Packaging
Circuit Breakers 50A 3 POLE TOGGLE W93-X112-50 TE Connectivity / P&B 1: $346.68 47In Stock	Mfr. Part No. W93-X112-50 Mouser Part No 655-W93-X112-50	TE Connectivity / P&B	Circuit Breakers 50A 3 POLE TOGGLE	Datasheet	47In Stock	$346.68 $231.66	Min.: 1 Mult.: 1		W9	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	50 A	277 VAC		3 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Bimetal operated single pole motor protection controls with automatic reset actuation, small physical size, reliable snap-action mechanism. Caution: In specifying these 2 products, care should be taken to ensure that automatic motor 2-6500-P10-10A E-T-A 1: $43.02 167In Stock	Mfr. Part No. 2-6500-P10-10A Mouser Part No 457-26500P1010A	E-T-A	Circuit Breakers Bimetal operated single pole motor protection controls with automatic reset actuation, small physical size, reliable snap-action mechanism. Caution: In specifying these 2 products, care should be taken to ensure that automatic motor	Datasheet	167In Stock	$43.02 $36.48 $33.37 $27.95 View $26.35 $26.25 Quote	Min.: 1 Mult.: 1		2-6500	Circuit Breakers	Overcurrent Protection	10 A	250 VAC	28 VDC	1 Pole		- 10 C	+ 60 C	Non-Illuminated
Circuit Breakers Single pole high performance thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and toggle actuation (S-type TM CBE to EN 60934). Options include auxiliary contacts, a moulded flame retardant enclosure for added enviro 437-K60-5-07-SI-FC24-120A E-T-A 1: $1,369.54 2In Stock	Mfr. Part No. 437-K60-5-07-SI-FC24-120A Mouser Part No 457-37K6057SIFC24120	E-T-A	Circuit Breakers Single pole high performance thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and toggle actuation (S-type TM CBE to EN 60934). Options include auxiliary contacts, a moulded flame retardant enclosure for added enviro	Datasheet	2In Stock	$1,369.54	Min.: 1 Mult.: 1		437	Thermal Circuit Breakers	Thermal Magnetic					Toggle
Circuit Breakers 10A PUSH TO RESET W28-XQ1A-10 TE Connectivity / P&B 1: $5.25 4,339In Stock	Mfr. Part No. W28-XQ1A-10 Mouser Part No 655-W28-XQ1A-10	TE Connectivity / P&B	Circuit Breakers 10A PUSH TO RESET	Datasheet	4,339In Stock	$5.25 $4.69 $3.53 $3.18 View $3.06 $2.97 $2.89 $2.71 $2.53	Min.: 1 Mult.: 1		W28	Thermal Circuit Breakers	Thermal Magnetic	10 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER THERMAL 7A BLK W28-XT1A-7 TE Connectivity / P&B 1: $9.09 599In Stock	Mfr. Part No. W28-XT1A-7 Mouser Part No 655-W28-XT1A-7	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER THERMAL 7A BLK	Datasheet	599In Stock	$9.09 $6.99 $5.82 $5.19 View $4.96 $4.65 $4.52	Min.: 1 Mult.: 1		W28	Thermal Circuit Breakers	Thermal Magnetic	7 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 1pole 20Amp Toggle Mag circuit breaker W67-X2Q12-20 TE Connectivity / P&B 1: $77.19 123In Stock	Mfr. Part No. W67-X2Q12-20 Mouser Part No 655-W67-X2Q12-20	TE Connectivity / P&B	Circuit Breakers 1pole 20Amp Toggle Mag circuit breaker	Datasheet	123In Stock	$77.19 $72.08 $70.02 $69.26 View $69.17 Quote	Min.: 1 Mult.: 1		W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	20 A	277 VAC		1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated	Tray
Circuit Breakers CIRCUIT BREAKER SWITCH 50A BLK W91-X152-50 TE Connectivity / P&B 1: $80.68 128In Stock	Mfr. Part No. W91-X152-50 Mouser Part No 655-W91-X152-50	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 50A BLK	Datasheet	128In Stock	$80.68 $72.87 $67.64 $64.00	Min.: 1 Mult.: 1		W9	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	50 A		65 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MSP S2 CLASS 10 49-59A SCREW 3RV20314XA10 Siemens 1: $660.87 3In Stock	Mfr. Part No. 3RV20314XA10 Mouser Part No 982-3RV20314XA10	Siemens	Circuit Breakers MSP S2 CLASS 10 49-59A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	3In Stock	$660.87 $547.27 $504.18	Min.: 1 Mult.: 1		3RV2	Circuit Breakers	Motor Protection	59 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Very cost effective design to meet international requirements. No exposed metal parts which are current-carrying except for terminals. R-type TO CBE to EN 60934. Units built to order. For requests under 500 pcs contact Customer Servi E-T-A 1658-A21-02-P10-10A 1658-A21-02-P10-10A E-T-A 1: $7.28 569In Stock	Mfr. Part No. 1658-A21-02-P10-10A Mouser Part No 457-1658A2102P1010A	E-T-A	Circuit Breakers Very cost effective design to meet international requirements. No exposed metal parts which are current-carrying except for terminals. R-type TO CBE to EN 60934. Units built to order. For requests under 500 pcs contact Customer Servi	Datasheet	569In Stock	$7.28 $6.93 $6.68 $5.03 View $4.12 $3.49 $3.48	Min.: 1 Mult.: 1		1658	Thermal Circuit Breakers	Overcurrent Protection	10 A	240 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers W58-XA6A4A-3=CKTBKR THERM PB Q 1423695-7 TE Connectivity / P&B 1: $7.06 416In Stock	Mfr. Part No. 1423695-7 Mouser Part No 655-1423695-7	TE Connectivity / P&B	Circuit Breakers W58-XA6A4A-3=CKTBKR THERM PB Q	Datasheet	416In Stock	$7.06 $5.46 $4.86 $4.51 View $4.28 $4.06 $3.52 $3.43	Min.: 1 Mult.: 1		W58	Thermal Circuit Breakers	Thermal Magnetic	3 A	250 VAC	50 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 5A ROCKR ACT RED ILL W51-A121B1-5 TE Connectivity / P&B 1: $6.12 1,786In Stock	Mfr. Part No. W51-A121B1-5 Mouser Part No 655-W51-A121B1-5	TE Connectivity / P&B	Circuit Breakers 5A ROCKR ACT RED ILL	Datasheet	1,786In Stock	$6.12 $5.40 $4.73 $4.22 View $4.14 $4.03	Min.: 1 Mult.: 1		W51	Circuit Breakers	Thermal	5 A	125 VAC	50 VDC	1 Pole	Rocker	0 C	+ 50 C	Illuminated
Circuit Breakers CIRCUIT BREAKER SWITCH 30A WH W67-X2Q12-30 TE Connectivity / P&B 1: $58.52 81In Stock	Mfr. Part No. W67-X2Q12-30 Mouser Part No 655-W67-X2Q12-30	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 30A WH	Datasheet	81In Stock	$58.52 $54.13 $54.12 $51.06 Quote Quote	Min.: 1 Mult.: 1		W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	30 A	277 VAC		1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK W91-X152-30 TE Connectivity / P&B 1: $71.39 150In Stock	Mfr. Part No. W91-X152-30 Mouser Part No 655-W91-X152-30	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK	Datasheet	150In Stock	$71.39 $68.50 $67.77 View Quote	Min.: 1 Mult.: 1		W9	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	30 A		65 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr,HydMag AP1-1-51-203 AIRPAX 1: $555.08 4In Stock	Mfr. Part No. AP1-1-51-203 Mouser Part No 874-AP1-1-51-203	AIRPAX	Circuit Breakers Cir Brkr,HydMag Learn More about AIRPAX sensata ap circuit breakers	Datasheet	4In Stock	$555.08 $185.03 $160.99 View Quote	Min.: 1 Mult.: 1	No	AP	Circuit Breakers		20 A		50 VDC	1 Pole	Toggle			Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag AP116-7064-258 AIRPAX 1: $1,773.29 1In Stock	Mfr. Part No. AP116-7064-258 Mouser Part No 874-AP116-7064-258	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata ap circuit breakers	Datasheet	1In Stock	$1,773.29 $591.12 View Quote	Min.: 1 Mult.: 1	No	AP	Circuit Breakers	Hydraulic Magnetic	20 A	250 VAC	80 VDC	3 Pole	Toggle	- 40 C	+ 100 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER M39019/03-230S AIRPAX 1: $1,751.41 1In Stock	Mfr. Part No. M39019/03-230S Mouser Part No 874-M39019/03-230S	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata ap circuit breakers	Datasheet	1In Stock	$1,751.41 $583.83 View Quote	Min.: 1 Mult.: 1	No	AP	Circuit Breakers		5 A	250 VAC	50 VDC	2 Pole	Toggle			Non-Illuminated
Circuit Breakers CIRCUIT BREAKER M39019/01-215 AIRPAX 1: $850.62 2In Stock	Mfr. Part No. M39019/01-215 Mouser Part No 874-M39019/01-215	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata ap circuit breakers	Datasheet	2In Stock	$850.62 $283.57 $246.70 View Quote	Min.: 1 Mult.: 1	No	AP	Circuit Breakers		20 A	250 VAC	50 VDC	1 Pole	Toggle			Non-Illuminated
Circuit Breakers CIRCUIT BREAKER M39019/01-212 AIRPAX 1: $850.62 10In Stock	Mfr. Part No. M39019/01-212 Mouser Part No 874-M39019/01-212	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata ap circuit breakers	Datasheet	10In Stock	$850.62 $283.57 $246.70 View Quote	Min.: 1 Mult.: 1	No	AP	Circuit Breakers	Hydraulic Magnetic	750 mA	240 VAC	50 VDC	1 Pole	Toggle	- 40 C	+ 100 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER M39019/03-321S AIRPAX 1: $1,846.20 31In Stock	Mfr. Part No. M39019/03-321S Mouser Part No 874-M39019/03-321S	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata ap circuit breakers	Datasheet	31In Stock	$1,846.20 $1,758.30	Min.: 1 Mult.: 1	No	AP	Circuit Breakers		5 A	250 VAC	50 VDC	2 Pole	Toggle			Non-Illuminated
Circuit Breakers Circuit Protector 10A NRAS1100-10A-AA IDEC 1: $29.34 5In Stock	Mfr. Part No. NRAS1100-10A-AA Mouser Part No 199-NRAS110010AAA	IDEC	Circuit Breakers Circuit Protector 10A	Datasheet	5In Stock	$29.34 $24.02 $22.60 $21.12 View $20.17 $19.57 $19.18 Quote	Min.: 1 Mult.: 1		NRA	Circuit Breakers	Magnetic	10 A	250 VAC	65 VDC	1 Pole	Lever	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Min Ord Qty 10. Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 2-5700-IG1-K10-DD-1555-5A E-T-A 1: $43.06 6In Stock	Mfr. Part No. 2-5700-IG1-K10-DD-1555-5A Mouser Part No 457-00IG1K10DD15555A	E-T-A	Circuit Breakers Min Ord Qty 10. Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ	Datasheet	6In Stock	$43.06 $35.72 $30.18 $28.89 View $25.87 $25.37 Quote	Min.: 1 Mult.: 1			Thermal Circuit Breakers	Overcurrent Protection	5 A	250 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Single hole threadneck mounting. Type 1410-G1 features changeover contacts suitable for providing statu 1410-G111-P2F1-S01-4.5A E-T-A 1: $20.04 46In Stock	Mfr. Part No. 1410-G111-P2F1-S01-4.5A Mouser Part No 457-0G111P2F1S014.5A	E-T-A	Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Single hole threadneck mounting. Type 1410-G1 features changeover contacts suitable for providing statu	Datasheet	46In Stock	$20.04 $18.06 $16.55 $12.88 View $11.48 $10.65	Min.: 1 Mult.: 1		1410-G1	Thermal Circuit Breakers	Overcurrent Protection	4.5 A	240 VAC	28 VDC	1 Pole	Rocker	- 20 C	+ 70 C	Non-Illuminated
Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Miniaturised construction minimises PCB real estate required. Largely temperature-insensitive.x -E. Ret 1410-L110-L1F1-S01-385800-1A E-T-A 1: $19.64 3In Stock	Mfr. Part No. 1410-L110-L1F1-S01-385800-1A Mouser Part No 457-0L1F1S013858001A	E-T-A	Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Miniaturised construction minimises PCB real estate required. Largely temperature-insensitive.x -E. Ret	Datasheet	3In Stock	$19.64 $15.43 $14.09 $12.62 View $11.25 $10.43	Min.: 1 Mult.: 1		1410-L1	Thermal Circuit Breakers	Overcurrent Protection	1 A	240 VAC	28 VDC	1 Pole	Rocker	- 20 C	+ 70 C	Non-Illuminated
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 3120-N523-P7T1-W01L-20A E-T-A 1: $35.08 5In Stock	Mfr. Part No. 3120-N523-P7T1-W01L-20A Mouser Part No 457-0N523P7T1W01L20	E-T-A	Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	5In Stock	$35.08 $31.37 $30.22 $29.75 View $26.26 $25.93 Quote	Min.: 1 Mult.: 1		3120-N	Thermal Circuit Breakers	Overcurrent Protection	20 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NO AUX, 32A 2210-T210-K0M1-H121-32A E-T-A 1: $52.68 9In Stock	Mfr. Part No. 2210-T210-K0M1-H121-32A Mouser Part No 457-0T210K0M1H12132A	E-T-A	Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NO AUX, 32A Learn More about E-T-A e t a 2210 t2 thermal magnetic circuit breakers	Datasheet	9In Stock	$52.68 $44.89 $41.73 $37.51 View $36.52 $35.33	Min.: 1 Mult.: 1		2210-T2	Thermal Circuit Breakers	Thermal Magnetic					Toggle