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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 W51-A151A1-10=CKTBKR THERM ROCK 1-1423673-7 TE Connectivity / P&B 1: $5.92 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	$5.92 $5.23 $4.41 $3.93 View $3.63 $3.51 $3.45 $3.40	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: $4.69 915In 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	915In Stock	$4.69 $4.18 $4.01 $3.73 View $3.30 $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: $4.69 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	$4.69 $4.54 $3.78 $3.41 View $3.12 $3.04 $2.97 $2.94 $2.90	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: $6.02 2,500In 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	2,500In Stock	$6.02 $5.11 $4.33 $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: $10.69 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	$10.69 $9.97 $9.28 $8.72 View $7.68 $7.32 $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 Mico Pro electronic circuit protection, 4 channel IN: 24 V DC OUT: 24 V DC / 4 A CL2 9000-41014-0400001 Murrelektronik 1: $242.87 9In Stock	Mfr. Part No. 9000-41014-0400001 Mouser Part No 867-9000410140400001	Murrelektronik	Circuit Breakers Mico Pro electronic circuit protection, 4 channel IN: 24 V DC OUT: 24 V DC / 4 A CL2 Learn More about Murrelektronik mico pro	Datasheet	9In Stock	$242.87	Min.: 1 Mult.: 1	9	Circuit Breakers	MICO	40 A		12 VDC, 24 VDC	4 Pole		- 25 C	+ 55 C	Non-Illuminated	Bulk
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: $256.74 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	$256.74 $179.70 $169.90 $167.13 View Quote	Min.: 1 Mult.: 1	2210-S2	Thermal Circuit Breakers	Thermal Magnetic					Toggle
Circuit Breakers W28-XQ1A-16 CIRCUIT BREAKERS W28-XQ1A-16 TE Connectivity / P&B 1: $5.42 1,327In Stock	Mfr. Part No. W28-XQ1A-16 Mouser Part No 655-W28-XQ1A-16	TE Connectivity / P&B	Circuit Breakers W28-XQ1A-16 CIRCUIT BREAKERS	Datasheet	1,327In Stock	$5.42 $4.70 $3.97 $3.68 View $3.50 $3.23	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	16 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 5A ROCKR ACT RED ILL W51-A122B1-5 TE Connectivity / P&B 1: $6.71 499In 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	499In Stock	$6.71 $5.78 $4.42 $4.27 View $4.09 $4.08	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: $6.54 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	$6.54 $5.83 $4.73 $4.22 View $3.91 $3.78 $3.72 $3.68	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 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 $5.04 View $3.88 $3.77 $3.47 $3.40	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: $7.33 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	$7.33 $6.52 $6.30 $5.31 View $4.73 $4.50 $4.29 $4.23	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: $6.43 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	$6.43 $5.70 $4.73 $4.22 View $3.91 $3.78 $3.72 $3.68	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 PP21-2-5.00A-OB-V AIRPAX 1: $44.55 34In Stock	Mfr. Part No. PP21-2-5.00A-OB-V Mouser Part No 874-PP21-2-500A-OB-V	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata snapak circuit protectors	Datasheet	34In Stock	$44.55	Min.: 1 Mult.: 1	Snapak	Thermal Circuit Breakers	Thermal	5 A	250 VAC	65 VDC	2 Pole	Push-Pull	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 482-G323-J1M1-B2S1-4A E-T-A 1: $241.72 1In Stock	Mfr. Part No. 482-G323-J1M1-B2S1-4A Mouser Part No 457-82G323J1M1B2S14A	E-T-A	Circuit Breakers		1In Stock	$241.72 $200.35 $184.67 $152.61 View Quote	Min.: 1 Mult.: 1	482-G	Thermal Circuit Breakers		4 A	115 VAC	28 VDC	1 Pole	Push-Pull	- 55 C	+ 75 C	Non-Illuminated
Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC QBHW3100HS Eaton Electrical 1: $1,593.48 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	$1,593.48	Min.: 1 Mult.: 1
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: $246.54 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	$246.54 $186.70 $169.36	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: $106.62 3In Stock	Mfr. Part No. R21-61-7.50A-W02EV Mouser Part No 874-R21-61-750AW02EV	AIRPAX	Circuit Breakers	Datasheet	3In Stock	$106.62 $101.02 $95.41 $91.21	Min.: 1 Mult.: 1		Thermal Circuit Breakers	Thermal	7.5 A			2 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-20A 93 2210-S211-P1M1-H111-20A E-T-A 1: $246.94 9In Stock	Mfr. Part No. 2210-S211-P1M1-H111-20A Mouser Part No 457-0S211P1M1H11120A	E-T-A	Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-20A 93 Learn More about E-T-A e t a 2210 s2 thermal magnetic circuit breakers	Datasheet	9In Stock	$246.94 $204.68 $193.59 $169.64	Min.: 1 Mult.: 1	2210-S2	Thermal Circuit Breakers	Thermal Magnetic	20 A	250 VAC, 433 VAC	65 VDC	1 Pole	Toggle	- 30 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 1658-G21-01-P10-15A E-T-A 1: $7.28 500In Stock	Mfr. Part No. 1658-G21-01-P10-15A Mouser Part No 457-1658G2101P1015A	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	500In Stock	$7.28 $6.78 $5.11 $4.34 View $4.07 $3.54	Min.: 1 Mult.: 1	1658	Thermal Circuit Breakers	Overcurrent Protection	15 A	240 VAC	28 VDC	1 Pole	Push to Reset	- 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 1658-F01-00-P10-20A E-T-A 1: $7.28 1,909In Stock	Mfr. Part No. 1658-F01-00-P10-20A Mouser Part No 457-1658F0100P1020A	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	1,909In Stock	$7.28 $6.93 $4.47 $3.72 View $3.29 $3.26	Min.: 1 Mult.: 1	1658	Thermal Circuit Breakers	Overcurrent Protection	20 A	240 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 10A RCKR ACT NON-ILL W51-A152A1-10 TE Connectivity / P&B 1: $5.87 901In Stock	Mfr. Part No. W51-A152A1-10 Mouser Part No 655-W51-A152A1-10	TE Connectivity / P&B	Circuit Breakers 10A RCKR ACT NON-ILL	Datasheet	901In Stock	$5.87 $5.05 $4.97 $4.54 $4.24	Min.: 1 Mult.: 1	W51	Circuit Breakers	Thermal	10 A	250 VAC	50 VDC	1 Pole	Rocker	0 C	+ 60 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK W91-X112-30 TE Connectivity / P&B 1: $97.95 155In Stock	Mfr. Part No. W91-X112-30 Mouser Part No 655-W91-X112-30	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK	Datasheet	155In Stock	$97.95 $88.81 $88.80 $82.68 $81.38	Min.: 1 Mult.: 1	W9	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	30 A	277 VAC		1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 50A 2 POLE 2 TOGGLE W92-X112-50 TE Connectivity / P&B 1: $179.20 71In Stock	Mfr. Part No. W92-X112-50 Mouser Part No 655-W92-X112-50	TE Connectivity / P&B	Circuit Breakers 50A 2 POLE 2 TOGGLE	Datasheet	71In Stock	$179.20	Min.: 1 Mult.: 1	W9	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	50 A	277 VAC		2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers RCBO DS201 2P C20A 30MA UL DS201-C20A30UL ABB 1: $285.81 8In Stock 40On Order New At Mouser	Mfr. Part No. DS201-C20A30UL Mouser Part No 894-DS201-C20A30UL New At Mouser	ABB	Circuit Breakers RCBO DS201 2P C20A 30MA UL		8In Stock 40On Order On Order Ship Dates Mfr. No: DS201-C20A30UL Stock: 8 Can Dispatch Immediately On Order: 10 Expected 2026/10/14 30 Expected 2027/01/14 Factory Lead Time: 16 Weeks	$285.81 $251.43 $235.52 $209.78 Quote Quote	Min.: 1 Mult.: 1