.hide-partial { max-height: none; } .show-more { display: none; }

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.
More...

Please view our large selection of circuit breakers below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 159,531

Applied Filters:

Manufacturer

Series

Product

Type

Current Rating

Voltage Rating AC

Voltage Rating DC

Number of Poles

Actuator

Minimum Operating Temperature

Maximum Operating Temperature

Illuminated

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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 1pole 20Amp Toggle Mag circuit breaker W67-X2Q12-20 TE Connectivity / P&B 1: $77.20 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	$77.20 $72.09 $70.16	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: $80.69 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	$80.69 $72.89 $67.65 $66.01	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: $660.99 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	$660.99 $547.37 $504.27	Min.: 1 Mult.: 1		3RV2	Circuit Breakers	Motor Protection	59 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers TMC 71D 16A 1020051 Phoenix Contact 1: $19.85 108In Stock	Mfr. Part No. 1020051 Mouser Part No 651-1020051	Phoenix Contact	Circuit Breakers TMC 71D 16A Learn More about Phoenix Contact tmc 7 supplementary protectors	Datasheet	108In Stock	$19.85	Min.: 1 Mult.: 1		TMC 7	Circuit Breakers	Thermal Magnetic	16 A	277 VAC	60 VDC	1 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers TMC 81B 20A 2907492 Phoenix Contact 1: $21.57 321In Stock	Mfr. Part No. 2907492 Mouser Part No 651-2907492	Phoenix Contact	Circuit Breakers TMC 81B 20A Learn More about Phoenix Contact control cabinets	Datasheet	321In Stock	$21.57	Min.: 1 Mult.: 1		TMC 8	Circuit Breakers	Thermal Magnetic	20 A	120 VAC	60 VDC	1 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers TMC 81C 25A 2907574 Phoenix Contact 1: $21.57 295In Stock	Mfr. Part No. 2907574 Mouser Part No 651-2907574	Phoenix Contact	Circuit Breakers TMC 81C 25A Learn More about Phoenix Contact TMC thermomagnetic circuit breakers	Datasheet	295In Stock	$21.57	Min.: 1 Mult.: 1		TMC 8	Circuit Breakers	Thermal Magnetic	25 A	120 VAC	60 VDC	1 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers TMC 81C 50A 2907579 Phoenix Contact 1: $21.57 94In Stock	Mfr. Part No. 2907579 Mouser Part No 651-2907579	Phoenix Contact	Circuit Breakers TMC 81C 50A Learn More about Phoenix Contact control cabinets	Datasheet	94In Stock	$21.57	Min.: 1 Mult.: 1		TMC 8	Circuit Breakers	Thermal Magnetic	50 A	120 VAC	60 VDC	1 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers TMC 81C 63A 2907581 Phoenix Contact 1: $21.57 368In Stock	Mfr. Part No. 2907581 Mouser Part No 651-2907581	Phoenix Contact	Circuit Breakers TMC 81C 63A Learn More about Phoenix Contact TMC thermomagnetic circuit breakers	Datasheet	368In Stock	$21.57	Min.: 1 Mult.: 1		TMC 8	Circuit Breakers	Thermal Magnetic	63 A	120 VAC	60 VDC	1 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers W51-A151A1-10=CKTBKR THERM ROCK 1-1423673-7 TE Connectivity / P&B 1: $5.11 587In Stock	Mfr. Part No. 1-1423673-7 Mouser Part No 655-1-1423673-7	TE Connectivity / P&B	Circuit Breakers W51-A151A1-10=CKTBKR THERM ROCK	Datasheet	587In Stock	$5.11 $4.66 $4.35 $3.93 View $3.63 $3.51 $3.45 $3.40 $3.38	Min.: 1 Mult.: 1		W51	Circuit Breakers	Supplementary Protector	10 A	125 VAC	50 VDC	1 Pole	Rocker	0 C	+ 60 C	Non-Illuminated
Circuit Breakers 1POLE 12Amps Therm Circuit Brker W28-XT1A-12 TE Connectivity / P&B 1: $4.28 911In Stock	Mfr. Part No. W28-XT1A-12 Mouser Part No 655-W28-XT1A-12	TE Connectivity / P&B	Circuit Breakers 1POLE 12Amps Therm Circuit Brker	Datasheet	911In Stock	$4.28 $3.95 $3.61 $3.40 $3.23	Min.: 1 Mult.: 1		W28	Thermal Circuit Breakers	Thermal Magnetic	12 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 15A PUSH TO RESET W28-XT1A-15 TE Connectivity / P&B 1: $4.28 2,000In Stock	Mfr. Part No. W28-XT1A-15 Mouser Part No 655-W28-XT1A-15	TE Connectivity / P&B	Circuit Breakers 15A PUSH TO RESET	Datasheet	2,000In Stock	$4.28 $4.12 $3.52 $3.28 View $3.06 $2.90 $2.87	Min.: 1 Mult.: 1		W28	Thermal Circuit Breakers	Thermal Magnetic	15 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 5A ROCKR ACT NON-ILL W51-A152A1-5 TE Connectivity / P&B 1: $4.83 2,498In Stock	Mfr. Part No. W51-A152A1-5 Mouser Part No 655-W51-A152A1-5	TE Connectivity / P&B	Circuit Breakers 5A ROCKR ACT NON-ILL	Datasheet	2,498In Stock	$4.83 $4.49 $4.00 $3.99	Min.: 1 Mult.: 1		W51	Circuit Breakers	Thermal	5 A	250 VAC	50 VDC	1 Pole	Rocker	0 C	+ 60 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER THERMAL W58-XB1A4A-1.50 TE Connectivity / P&B 1: $9.79 223In Stock	Mfr. Part No. W58-XB1A4A-1.50 Mouser Part No 655-W58-XB1A4A-1.50	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER THERMAL	Datasheet	223In Stock	$9.79 $9.22 $8.61 $8.30 View $7.54 $7.28 $7.20	Min.: 1 Mult.: 1		W58	Thermal Circuit Breakers	Thermal Magnetic	1.5 A	250 VAC	50 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER M39019/01-212 AIRPAX 1: $850.77 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	$850.77 $737.41	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: $1,846.53 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	$1,846.53 $1,758.62	Min.: 1 Mult.: 1	No	AP	Circuit Breakers		5 A	250 VAC	50 VDC	2 Pole	Toggle			Non-Illuminated
Circuit Breakers Cir Brkr,HydMag AP1-1-51-203 AIRPAX 1: $555.18 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	$555.18 $481.14	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: $1,773.61 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	$1,773.61 $1,537.10	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: $1,751.72 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	$1,751.72 $1,518.24	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: $850.77 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	$850.77 $737.41	Min.: 1 Mult.: 1	No	AP	Circuit Breakers		20 A	250 VAC	50 VDC	1 Pole	Toggle			Non-Illuminated
Circuit Breakers 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-P10-DD-1125-10A E-T-A 1: $37.34 20In Stock	Mfr. Part No. 2-5700-IG1-P10-DD-1125-10A Mouser Part No 457-00IG1P10DD112510	E-T-A	Circuit Breakers 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	20In Stock	$37.34 $32.11 $22.53 $20.81	Min.: 1 Mult.: 1		2-5700	Thermal Circuit Breakers	Overcurrent Protection					Push to Reset
Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double 3130-F120-P7T1-W04Q-15A E-T-A 1: $80.94 10In Stock	Mfr. Part No. 3130-F120-P7T1-W04Q-15A Mouser Part No 457-0F120P7T1W04Q15A	E-T-A	Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double	Datasheet	10In Stock	$80.94 $53.58 $52.82 $42.61 View $41.74 $40.52 Quote	Min.: 1 Mult.: 1		3130-F		Thermal Overcurrent	15 A	415 VAC	50 VDC	2 Pole	Rocker	- 30 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-G110-L2F1-S01-2.5A E-T-A 1: $19.13 36In Stock	Mfr. Part No. 1410-G110-L2F1-S01-2.5A Mouser Part No 457-0G110L2F1S012.5A	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	36In Stock	$19.13 $17.25 $15.81 $12.29 View $10.97 $10.16	Min.: 1 Mult.: 1		1410-G1	Thermal Circuit Breakers	Overcurrent Protection	2.5 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). Single hole threadneck mounting. Type 1410-G1 features changeover contacts suitable for providing statu 1410-G110-P2F1-S01-6.3A E-T-A 1: $19.43 14In Stock	Mfr. Part No. 1410-G110-P2F1-S01-6.3A Mouser Part No 457-0G110P2F1S016.3A	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	14In Stock	$19.43 $17.50 $16.05 $12.48 View $11.12 $10.33	Min.: 1 Mult.: 1		1410-G1	Thermal Circuit Breakers	Overcurrent Protection	6.3 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 pro 3120-N32F-P7M1-SGRD-15A E-T-A 1: $72.30 9In Stock	Mfr. Part No. 3120-N32F-P7M1-SGRD-15A Mouser Part No 457-0N32FP7M1SGRD15A	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 pro	Datasheet	9In Stock	$72.30 $54.30 $50.47 $44.51 $39.88	Min.: 1 Mult.: 1		3120-N	Thermal Circuit Breakers	Overcurrent Protection					Rocker
Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 104-PR-4A E-T-A 1: $22.68 16In Stock	Mfr. Part No. 104-PR-4A Mouser Part No 457-104-PR-4A	E-T-A	Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings	Datasheet	16In Stock	$22.68 $20.64 $18.92 $14.34 View $13.44 $12.54 $11.96 $11.91 Quote	Min.: 1 Mult.: 1		104	Thermal Circuit Breakers	Overcurrent Protection	4 A	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated