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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 TMC 71D 20A 1020052 Phoenix Contact 1: $22.65 529In Stock 540Expected 09/11/2026	Mfr. Part No. 1020052 Mouser Part No 651-1020052	Phoenix Contact	Circuit Breakers TMC 71D 20A Learn More about Phoenix Contact tmc 7 supplementary protectors	Datasheet	529In Stock 540Expected 09/11/2026	$22.65	Min.: 1 Mult.: 1	TMC 7	Circuit Breakers	Thermal Magnetic	20 A	277 VAC	60 VDC	1 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers 0.75A PUSH TO RESET W28-XQ1A-0.75 TE Connectivity / P&B 1: $7.90 520In Stock	Mfr. Part No. W28-XQ1A-0.75 Mouser Part No 655-W28-XQ1A-0.75	TE Connectivity / P&B	Circuit Breakers 0.75A PUSH TO RESET	Datasheet	520In Stock	$7.90 $7.03 $6.52 $6.33 $5.85	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	750 mA	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
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: $5.32 1,059In 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	1,059In Stock	$5.32 $5.02 $4.34 $3.92 View $3.88 $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 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 $67.27 $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 MAN-START 600VAC 40AMP IEC GV3P13 Schneider Electric 1: $398.59 4In Stock	Mfr. Part No. GV3P13 Mouser Part No 996-GV3P13	Schneider Electric	Circuit Breakers MAN-START 600VAC 40AMP IEC Learn More about Schneider Electric schneider gv3 manual starters protectors	Datasheet	4In Stock	$398.59	Min.: 1 Mult.: 1	GV
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-G21-00-P10-5A E-T-A 1: $7.28 443In Stock	Mfr. Part No. 1658-G21-00-P10-5A Mouser Part No 457-1658G2100P105A	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	443In Stock	$7.28 $6.93 $6.68 $5.03 View $4.15 $3.52 $3.50 $3.49	Min.: 1 Mult.: 1	1658	Thermal Circuit Breakers	Overcurrent Protection	5 A	240 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers CIRCUIT BRKR 15A 12V 30055-15 Cole Hersee 1: $18.21 935In Stock	Mfr. Part No. 30055-15 Mouser Part No 576-30055-15	Cole Hersee	Circuit Breakers CIRCUIT BRKR 15A 12V	Datasheet	935In Stock	$18.21 $11.69 $10.36 $9.17 View $8.42 $8.40	Min.: 1 Mult.: 1	Box-Style Circuit Breakers	Circuit Breakers	Auto Reset	15 A		12 VDC	1 Pole				Non-Illuminated	Bulk
Circuit Breakers TCP 30/DC32V 0700030 Phoenix Contact 1: $14.99 235In Stock	Mfr. Part No. 0700030 Mouser Part No 651-0700030	Phoenix Contact	Circuit Breakers TCP 30/DC32V Learn More about Phoenix Contact tcp thermal circuit breakers	Datasheet	235In Stock	$14.99 $13.51	Min.: 1 Mult.: 1	TCP	Circuit Breakers	Thermal	30 A		32 VDC	1 Pole	Pushbutton	- 40 C	+ 85 C	Non-Illuminated	Bulk
Circuit Breakers W92-X112-25 M6/M7/M9/W6/W7 7-1393254-4 TE Connectivity / AMP 1: $312.90 72In Stock	Mfr. Part No. 7-1393254-4 Mouser Part No 655-7-1393254-4	TE Connectivity / AMP	Circuit Breakers W92-X112-25 M6/M7/M9/W6/W7	Datasheet	72In Stock	$312.90 $259.34 $239.06 View Quote	Min.: 1 Mult.: 1	W9	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	25 A	277 VAC		2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 15A 2-P Illum Amber P1 Switch P2 Trip QC W33-S4B1Q-15 TE Connectivity / P&B 1: $69.40 74In Stock	Mfr. Part No. W33-S4B1Q-15 Mouser Part No 655-W33-S4B1Q-15	TE Connectivity / P&B	Circuit Breakers 15A 2-P Illum Amber P1 Switch P2 Trip QC	Datasheet	74In Stock	$69.40 $62.51 $60.01 $55.88	Min.: 1 Mult.: 1	W33	Circuit Breakers	Thermal	15 A	250 VAC	50 VDC	2 Pole	Rocker	- 20 C	+ 60 C	Illuminated
Circuit Breakers 15A 2-P Illum Amber P1 & P2 Trip QC W33-T4B1Q-15 TE Connectivity / Raychem 1: $84.19 102In Stock	Mfr. Part No. W33-T4B1Q-15 Mouser Part No 655-W33-T4B1Q-15	TE Connectivity / Raychem	Circuit Breakers 15A 2-P Illum Amber P1 & P2 Trip QC	Datasheet	102In Stock	$84.19 $81.33 $75.80 $74.25	Min.: 1 Mult.: 1	W33	Circuit Breakers	Thermal	15 A	250 VAC	50 VDC	2 Pole	Rocker	- 20 C	+ 60 C	Illuminated
Circuit Breakers 15A 1 POLE TOGGLE W67-X2Q12-15 TE Connectivity / P&B 1: $58.34 121In Stock	Mfr. Part No. W67-X2Q12-15 Mouser Part No 655-W67-X2Q12-15	TE Connectivity / P&B	Circuit Breakers 15A 1 POLE TOGGLE	Datasheet	121In Stock	$58.34 $54.37 $51.03 $49.02 View $48.42 Quote	Min.: 1 Mult.: 1	W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	15 A	277 VAC		1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 40A 3 POLE TOGGLE W93-X112-40 TE Connectivity / P&B 1: $262.80 48In Stock	Mfr. Part No. W93-X112-40 Mouser Part No 655-W93-X112-40	TE Connectivity / P&B	Circuit Breakers 40A 3 POLE TOGGLE	Datasheet	48In Stock	$262.80 $237.58 $231.64 View Quote	Min.: 1 Mult.: 1	W9	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	40 A	277 VAC		3 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER SWITCH 5A BLACK W93-X112-5 TE Connectivity / P&B 1: $288.11 41In Stock	Mfr. Part No. W93-X112-5 Mouser Part No 655-W93-X112-5	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 5A BLACK	Datasheet	41In Stock	$288.11 $276.94 $256.85	Min.: 1 Mult.: 1	W9	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	5 A	277 VAC		3 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
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 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 481In 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	481In 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: $6.78 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	$6.78 $5.83 $4.73 $4.22 View $3.91 $3.78 $3.72 $3.65	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 $6.31 $5.83 View $5.60 $5.59 $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 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