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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 (SGD) 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 TMC 81B 20A 2907492 Phoenix Contact 1: $29.34 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	$29.34	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: $29.34 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	$29.34	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: $29.34 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	$29.34	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: $29.34 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	$29.34	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: $6.95 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	$6.95 $6.34 $5.92 $5.34 View $4.94 $4.77 $4.69 $4.61 $4.60	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: $5.82 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	$5.82 $5.37 $4.90 $4.61 View $4.20 $3.93 $3.85 $3.75	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: $5.82 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	$5.82 $5.60 $4.79 $4.46 View $4.16 $3.93 $3.86 $3.73	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: $6.57 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	$6.57 $6.11 $5.44 $4.68 View $4.57 $4.56	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: $13.31 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	$13.31 $12.54 $11.70 $11.29 View $10.25 $9.90 $9.75 $9.55	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 Cir Brkr Hyd Mag AP116-7064-258 AIRPAX 1: $2,411.67 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	$2,411.67 $803.92 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: $2,381.92 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	$2,381.92 $794.01 View Quote	Min.: 1 Mult.: 1	No	AP	Circuit Breakers		5 A	250 VAC	50 VDC	2 Pole	Toggle			Non-Illuminated
Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S221-P1M1-Z241-12A 94 2210-S221-P1M3-H0-12A E-T-A 1: $349.11 10In Stock	Mfr. Part No. 2210-S221-P1M3-H0-12A Mouser Part No 457-210S221P1M3H012A	E-T-A	Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S221-P1M1-Z241-12A 94 Learn More about E-T-A e t a 2210 s2 thermal magnetic circuit breakers	Datasheet	10In Stock	$349.11 $244.34 $231.02 $227.27 View Quote	Min.: 1 Mult.: 1		2210-S2	Thermal Circuit Breakers	Thermal Magnetic					Toggle
Circuit Breakers 5A ROCKR ACT RED ILL W51-A122B1-5 TE Connectivity / P&B 1: $7.93 400In Stock	Mfr. Part No. W51-A122B1-5 Mouser Part No 655-W51-A122B1-5	TE Connectivity / P&B	Circuit Breakers 5A ROCKR ACT RED ILL	Datasheet	400In Stock	$7.93 $7.13 $6.01 $5.81 View $5.79 $5.14 $5.02 $4.69	Min.: 1 Mult.: 1		W51	Circuit Breakers	Thermal	5 A	250 VAC	50 VDC	1 Pole	Rocker	0 C	+ 50 C	Illuminated
Circuit Breakers CIRCUIT BRKER 1POLE 8Amps Rocker W51-A122B1-8 TE Connectivity / P&B 1: $9.22 676In Stock	Mfr. Part No. W51-A122B1-8 Mouser Part No 655-W51-A122B1-8	TE Connectivity / P&B	Circuit Breakers CIRCUIT BRKER 1POLE 8Amps Rocker	Datasheet	676In Stock	$9.22 $7.93 $6.43 $5.74 View $5.32 $5.14 $5.06 $4.96	Min.: 1 Mult.: 1		W51	Circuit Breakers	Thermal	8 A	250 VAC	50 VDC	1 Pole	Rocker	0 C	+ 50 C	Illuminated	Tray
Circuit Breakers 12A PUSH TO RESET QC W58-XB1A4A-12 TE Connectivity / P&B 1: $11.25 916In Stock	Mfr. Part No. W58-XB1A4A-12 Mouser Part No 655-W58-XB1A4A-12	TE Connectivity / P&B	Circuit Breakers 12A PUSH TO RESET QC	Datasheet	916In Stock	$11.25 $10.15 $8.58 $7.93 View $7.62 $7.60 $6.92	Min.: 1 Mult.: 1		W58	Thermal Circuit Breakers	Thermal Magnetic	12 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: $1,156.84 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	$1,156.84 $385.66 $335.51 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: $2,510.83 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	$2,510.83 $2,391.29	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: $754.91 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	$754.91 $251.64 $218.95 View Quote	Min.: 1 Mult.: 1	No	AP	Circuit Breakers		20 A		50 VDC	1 Pole	Toggle			Non-Illuminated
Circuit Breakers CIRCUIT BREAKER M39019/01-215 AIRPAX 1: $1,156.84 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	$1,156.84 $385.66 $335.51 View Quote	Min.: 1 Mult.: 1	No	AP	Circuit Breakers		20 A	250 VAC	50 VDC	1 Pole	Toggle			Non-Illuminated
Circuit Breakers 8A CIRCUIT PROTECTOR NRF110-8A IDEC 1: $21.90 9In Stock	Mfr. Part No. NRF110-8A Mouser Part No 199-NRF1108A	IDEC	Circuit Breakers 8A CIRCUIT PROTECTOR	Datasheet	9In Stock	$21.90 $17.30 $16.22 $14.93 View $14.32 $13.87 $13.72	Min.: 1 Mult.: 1		NRF	Circuit Breakers			250 VAC	32 VDC	1 Pole		- 10 C	+ 60 C
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-F160-P7T1-W01Q-10A E-T-A 1: $83.10 2In Stock	Mfr. Part No. 3130-F160-P7T1-W01Q-10A Mouser Part No 457-0F160P7T1W01Q10A	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	2In Stock	$83.10 $61.44 $57.12 $51.34 View $49.99 $48.36	Min.: 1 Mult.: 1		3130-F	Circuit Breakers	Thermal	10 A	240 VAC, 415 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers Circuit BreakerS 104-PR-0.1A E-T-A 1: $30.84 39In Stock	Mfr. Part No. 104-PR-0.1A Mouser Part No 457-104-PR-0.1A	E-T-A	Circuit Breakers Circuit BreakerS	Datasheet	39In Stock	$30.84 $28.07 $25.73 $19.50 View $18.28 $17.04 $16.25 $16.20 Quote	Min.: 1 Mult.: 1		104	Thermal Circuit Breakers	Overcurrent Protection	100 mA	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
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-0.8A E-T-A 1: $30.84 29In Stock	Mfr. Part No. 104-PR-0.8A Mouser Part No 457-104-PR-0.8A	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	29In Stock	$30.84 $28.07 $25.73 $18.82 View $18.41 $17.24 $16.74 Quote	Min.: 1 Mult.: 1		104	Thermal Circuit Breakers	Overcurrent Protection	800 mA	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
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-PR3-1A E-T-A 1: $30.86 16In Stock	Mfr. Part No. 104-PR3-1A Mouser Part No 457-104-PR3-1A	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	$30.86 $28.08 $25.74 $19.50 View $19.24 $18.10 $17.53 Quote	Min.: 1 Mult.: 1		104	Thermal Circuit Breakers	Overcurrent Protection	1 A	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
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-PR3-4A E-T-A 1: $30.84 20In Stock	Mfr. Part No. 104-PR3-4A Mouser Part No 457-104-PR3-4A	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	20In Stock	$30.84 $28.07 $25.73 $19.50 View $18.28 $17.04 $16.25 $16.20 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