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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.	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 CIRCUIT BREAKER THERMAL 13A BLK W28-XQ1A-13 TE Connectivity / P&B 1: $4.14 535In Stock	Mfr. Part No. W28-XQ1A-13 Mouser Part No 655-W28-XQ1A-13	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER THERMAL 13A BLK	Datasheet	535In Stock	$4.14 $4.01 $3.78 $3.35 View $3.01 $2.82 $2.79	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	13 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers CKTBKR,THERM,ROCK W51-A151A1-5 TE Connectivity 1: $4.83 708In Stock	Mfr. Part No. W51-A151A1-5 Mouser Part No 655-W51-A151A1-5	TE Connectivity	Circuit Breakers CKTBKR,THERM,ROCK	Datasheet	708In Stock	$4.83 $4.27 $4.14 $3.81 View $3.75 $3.27 $3.26 $3.18	Min.: 1 Mult.: 1	W51	Circuit Breakers	Thermal	5 A	125 VAC	50 VDC	1 Pole	Rocker	0 C	+ 50 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER THERMAL 15A RED W51-A161A1-15 TE Connectivity / P&B 1: $5.36 1,062In Stock	Mfr. Part No. W51-A161A1-15 Mouser Part No 655-W51-A161A1-15	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER THERMAL 15A RED	Datasheet	1,062In Stock	$5.36 $5.06 $4.37 $3.94 View $3.87 $3.45 $3.35 $3.27	Min.: 1 Mult.: 1	W51	Circuit Breakers	Thermal	15 A	125 VAC	50 VDC	1 Pole	Rocker	0 C	+ 60 C	Non-Illuminated
Circuit Breakers 3A PUSH TO RESET W58-XB1A4A-3 TE Connectivity / P&B 1: $10.38 1,417In Stock	Mfr. Part No. W58-XB1A4A-3 Mouser Part No 655-W58-XB1A4A-3	TE Connectivity / P&B	Circuit Breakers 3A PUSH TO RESET	Datasheet	1,417In Stock	$10.38 $8.66 $7.53 $6.96 View $6.70 $6.65 $6.12	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 1pole 10Amp Toggle Mag circuit breaker W67-X2Q12-10 TE Connectivity / P&B 1: $69.01 95In Stock	Mfr. Part No. W67-X2Q12-10 Mouser Part No 655-W67-X2Q12-10	TE Connectivity / P&B	Circuit Breakers 1pole 10Amp Toggle Mag circuit breaker	Datasheet	95In Stock	$69.01 $67.86 $65.98 $63.39 View $62.41 Quote	Min.: 1 Mult.: 1	W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	10 A	277 VAC		1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated	Tray
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 572In 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	572In 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: $5.66 1,792In 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	1,792In Stock	$5.66 $5.10 $4.73 $4.22 View $3.72 $3.65 $3.53	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 $54.25 $53.66 $52.05 View $51.06 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 $68.48 $67.17 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 QBHW 3P 100A 240VAC MAX 22KAIC QBHW3100HS Eaton Electrical 1: $1,593.20 1In Stock New At Mouser	Mfr. Part No. QBHW3100HS Mouser Part No 504-QBHW3100HS New At Mouser	Eaton Electrical	Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC	Datasheet	1In Stock	$1,593.20	Min.: 1 Mult.: 1
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: $256.70 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	$256.70 $179.66 $169.87 $167.11 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: $5.83 491In 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	491In Stock	$5.83 $5.24 $4.42 $4.27 View $4.26 $3.78 $3.69 $3.45	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: $6.02 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	$6.02 $5.22 $4.54 $4.21 View $3.91 $3.78 $3.68 $3.59 $3.58	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: $8.27 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	$8.27 $7.46 $6.34 $5.83 View $5.60 $5.09	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 Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit E-T-A 482-G212-K1M1-A1S0-35A 482-G212-K1M1-A1S0-35A E-T-A 1: $177.22 25In Stock	Mfr. Part No. 482-G212-K1M1-A1S0-35A Mouser Part No 457-2G212K1M1A1S035A	E-T-A	Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit	Datasheet	25In Stock	$177.22 $146.96 $136.94 $113.96	Min.: 1 Mult.: 1	482	Thermal Circuit Breakers	Thermal	35 A	115 VAC	28 VDC	1 Pole	Push-Pull	- 55 C	+ 75 C	Non-Illuminated
Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 482-G323-J1M1-B2S1-6A E-T-A 1: $246.50 1In Stock	Mfr. Part No. 482-G323-J1M1-B2S1-6A Mouser Part No 457-82G323J1M1B2S16A	E-T-A	Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit	Datasheet	1In Stock	$246.50 $186.66 $169.32	Min.: 1 Mult.: 1	482-G	Thermal Circuit Breakers		6 A	115 VAC	28 VDC	1 Pole	Push-Pull	- 55 C	+ 75 C	Non-Illuminated
Circuit Breakers R21-61-7.50A-W02EV AIRPAX 1: $106.60 3In Stock	Mfr. Part No. R21-61-7.50A-W02EV Mouser Part No 874-R21-61-750AW02EV	AIRPAX	Circuit Breakers	Datasheet	3In Stock	$106.60 $101.00 $95.39 $91.10 $87.69	Min.: 1 Mult.: 1		Thermal Circuit Breakers	Thermal	7.5 A			2 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 30AMP 277VAC TOGGLE 2 POLE W68-X2Q12-30 TE Connectivity / Raychem 1: $235.65 14In Stock 144Expected 11/01/2027	Mfr. Part No. W68-X2Q12-30 Mouser Part No 655-W68-X2Q12-30	TE Connectivity / Raychem	Circuit Breakers 30AMP 277VAC TOGGLE 2 POLE	Datasheet	14In Stock 144Expected 11/01/2027	$235.65 $206.35	Min.: 1 Mult.: 1	W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	30 A	277 VAC		2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER SWITCH 15A BLK W92-X1110-15V TE Connectivity / P&B 1: $265.29 38In Stock 72Expected 26/04/2027	Mfr. Part No. W92-X1110-15V Mouser Part No 655-W92-X1110-15V	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 15A BLK	Datasheet	38In Stock 72Expected 26/04/2027	$265.29 $232.40 $222.35 View Quote	Min.: 1 Mult.: 1	W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	15 A	277 VAC		2 Pole	Toggle	- 40 C	+ 85 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