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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 Single pole high performance thermal circuit breaker, with push-to-reset tease free, trip-free snap action mechanism (R-type TO CBE to EN 60934). Designed for threadneck panel mounting and for applications with a high fault current sw 4130-G411-K4M1-60A E-T-A 1: $95.27 1In Stock	Mfr. Part No. 4130-G411-K4M1-60A Mouser Part No 457-4130G411K4M160A	E-T-A	Circuit Breakers Single pole high performance thermal circuit breaker, with push-to-reset tease free, trip-free snap action mechanism (R-type TO CBE to EN 60934). Designed for threadneck panel mounting and for applications with a high fault current sw	Datasheet	1In Stock	$95.27 $72.69 $68.22 $61.50 View $56.08 Quote	Min.: 1 Mult.: 1	4130	Thermal Circuit Breakers	Thermal Magnetic					Push-Pull
Circuit Breakers 1077, 2P, DM, 480VAC/60VDC, B, 8A 4230-T120-K0BE-8A E-T-A 1: $31.56 2In Stock	Mfr. Part No. 4230-T120-K0BE-8A Mouser Part No 457-4230T120K0BE8	E-T-A	Circuit Breakers 1077, 2P, DM, 480VAC/60VDC, B, 8A Learn More about E-T-A eta 4230 t mcb	Datasheet	2In Stock	$31.56 $25.50 $24.28 $22.53 View $21.45 $20.80 $20.27	Min.: 1 Mult.: 1	4230-T	Miniature Circuit Breakers	Thermal Magnetic					Toggle
Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for 8340-F410-K2K1-B2H0-50A E-T-A 1: $72.79 1In Stock	Mfr. Part No. 8340-F410-K2K1-B2H0-50A Mouser Part No 457-834410K2K1B2H050	E-T-A	Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for	Datasheet	1In Stock	$72.79 $60.38 $56.15 $47.14 View $45.40 $44.13	Min.: 1 Mult.: 1	8340-F	Hydraulic Magnetic Circuit Breakers	Thermal Magnetic	50 A	240 VAC, 415 VAC	80 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed Single and multipole magnetic circuit breakers with trip-free mechanism and toggle a 8340-F410-K4M1-A2H0-50A E-T-A 1: $93.63 10In Stock	Mfr. Part No. 8340-F410-K4M1-A2H0-50A Mouser Part No 457-834410K4M1A2H050	E-T-A	Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed Single and multipole magnetic circuit breakers with trip-free mechanism and toggle a	Datasheet	10In Stock	$93.63 $78.32 $62.86 $62.29 View $60.02 Quote	Min.: 1 Mult.: 1	8340-F	Hydraulic Magnetic Circuit Breakers	Thermal Magnetic	50 A	240 VAC, 415 VAC	80 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for 8340-F410-K4M1-KLH0-40A E-T-A 1: $73.47 6In Stock	Mfr. Part No. 8340-F410-K4M1-KLH0-40A Mouser Part No 457-834410K4M1KLH040	E-T-A	Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for	Datasheet	6In Stock	$73.47 $60.95 $56.68 $47.58 View $45.83 $44.55	Min.: 1 Mult.: 1	8340-F	Hydraulic Magnetic Circuit Breakers	Thermal Magnetic	40 A	240 VAC, 415 VAC	80 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Combination of single pole circuit breaker and ON/OFF switch with soft-touch rocker actuation. Contoured rockers are available with a choice of colours and legends, with optional illumination. The 3131 is sealed to provide IP66 rated 3131-AF1PT-000000-000-20A E-T-A 1: $29.43 9In Stock	Mfr. Part No. 3131-AF1PT-000000-000-20A Mouser Part No 457-F1PT00000000020A	E-T-A	Circuit Breakers Combination of single pole circuit breaker and ON/OFF switch with soft-touch rocker actuation. Contoured rockers are available with a choice of colours and legends, with optional illumination. The 3131 is sealed to provide IP66 rated	Datasheet	9In Stock	$29.43 $24.42 $20.71 $19.08 View $18.24 $17.53 $16.93 Quote	Min.: 1 Mult.: 1	3131-A/C	Circuit Breakers	Thermal	20 A			1 Pole	Rocker
Circuit Breakers AC PEM, w/ 1 pole , 10A, pushbutton w/ white trip band, C14 inlet, pre-wired 2-5700-IG1-P10-DD-XR38-C040011M-10A E-T-A 1: $32.55 4In Stock	Mfr. Part No. 2-5700-IG1-P10-DD-XR38-C040011M-10A Mouser Part No 457-IG1C040011M10A	E-T-A	Circuit Breakers AC PEM, w/ 1 pole , 10A, pushbutton w/ white trip band, C14 inlet, pre-wired Learn More about E-T-A eta xr38 appliance inlet modules	Datasheet	4In Stock	$32.55 $27.01 $24.92 $20.64 View $19.02 $17.64 $16.39 Quote	Min.: 1 Mult.: 1		Thermal Circuit Breakers	Overcurrent Protection	10 A	250 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers AC PEM, w/ 2 pole , 10A, white rocker, C20 inlet, pre-wired 3120-N526-P7T1-W02D-X3120-B040011M-10A E-T-A 1: $46.13 4In Stock	Mfr. Part No. 3120-N526-P7T1-W02D-X3120-B040011M-10A Mouser Part No 457-W02DB040011M10A	E-T-A	Circuit Breakers AC PEM, w/ 2 pole , 10A, white rocker, C20 inlet, pre-wired Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	4In Stock	$46.13 $38.27 $35.31 $30.00 View $28.13 $26.26 Quote	Min.: 1 Mult.: 1		Thermal Circuit Breakers	Overcurrent Protection				1 Pole	Rocker	- 30 C	+ 60 C	Illuminated
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-FA2A-P7T1-W02Q-X3130-A040001-M-5A E-T-A 1: $38.79 9In Stock	Mfr. Part No. 3130-FA2A-P7T1-W02Q-X3130-A040001-M-5A Mouser Part No 457-W02QX0040001M5	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	9In Stock	$38.79 $32.17 $29.63 $26.98 View $26.12 $25.02 Quote	Min.: 1 Mult.: 1	3130-F							Rocker
Circuit Breakers QL-A-1-13-DM-KM-2.0 7940102709 Weidmuller 1: $101.91 2In Stock	Mfr. Part No. 7940102709 Mouser Part No 470-7940102709	Weidmuller	Circuit Breakers QL-A-1-13-DM-KM-2.0	Datasheet	2In Stock	$101.91 $82.42 $79.70 $74.85 View $72.93 Quote	Min.: 1 Mult.: 1
Circuit Breakers 120/240V 15A 1P CIRCUIT BREAKER, LUGS HCBY1P15GG850 Hartland Controls / Littelfuse 1: $46.96 23In Stock	Mfr. Part No. HCBY1P15GG850 Mouser Part No 576-HCBY1P15GG850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 15A 1P CIRCUIT BREAKER, LUGS Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	23In Stock	$46.96 $38.96 $35.94 $30.53 View $28.63 $26.73 Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers		15 A	120 VAC, 240 VAC		1 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers TMC 71D 08A 1020044 Phoenix Contact 1: $22.65 1In Stock	Mfr. Part No. 1020044 Mouser Part No 651-1020044	Phoenix Contact	Circuit Breakers TMC 71D 08A Learn More about Phoenix Contact control cabinets	Datasheet	1In Stock	$22.65	Min.: 1 Mult.: 1	TMC 7	Circuit Breakers	Thermal Magnetic	8 A	277 VAC	60 VDC	1 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers 40A D Characteristic UL 508 1 POLE 1D40UM Altech 1: $38.42 9In Stock 1On Order	Mfr. Part No. 1D40UM Mouser Part No 845-1D40UM	Altech	Circuit Breakers 40A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	9In Stock 1On Order	$38.42 $32.46 $26.27 $24.37 View $23.57 $22.93 $22.36 Quote	Min.: 1 Mult.: 1	UM			40 A	277 VAC	24 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag 219-2-1-66-5-5-5 AIRPAX 1: $199.92 2In Stock	Mfr. Part No. 219-2-1-66-5-5-5 Mouser Part No 874-2192166555	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata 209 219 229 249 279 circuit breakers	Datasheet	2In Stock	$199.92 $174.66 $121.37 $106.65 View $88.28 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Manual Motor Controller	100 A	277 VAC, 480 VAC		2 Pole	Handle			Non-Illuminated
Circuit Breakers Cir Brkr, HydMag, 2 pl, 250VAC, 60A IDLK1-31293-30 AIRPAX 1: $102.55 1In Stock	Mfr. Part No. IDLK1-31293-30 Mouser Part No 874-IDLK13129330	AIRPAX	Circuit Breakers Cir Brkr, HydMag, 2 pl, 250VAC, 60A	Datasheet	1In Stock	$102.55	Min.: 1 Mult.: 1	IAL/IDL/IML/IUL	Circuit Breakers	Hydraulic Magnetic				1 Pole	Handle			Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IEGF66-30298-161-V AIRPAX 1: $111.84 2In Stock	Mfr. Part No. IEGF66-30298-161-V Mouser Part No 874-IEGF6630298161V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	2In Stock	$111.84 $97.73 $67.89 $59.70 View $49.40 $45.31 Quote	Min.: 1 Mult.: 1		Circuit Breakers					2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IEGHF66-33018-50-V AIRPAX 1: $112.92 1In Stock	Mfr. Part No. IEGHF66-33018-50-V Mouser Part No 874-IEGHF663301850V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	1In Stock	$112.92 $98.66 $68.54 $60.23 View $49.86 $45.70 Quote	Min.: 1 Mult.: 1		Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic				2 Pole	Handle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IEGHF66-35486-20-UV AIRPAX 1: $122.74 1In Stock	Mfr. Part No. IEGHF66-35486-20-UV Mouser Part No 874-IEGHF663548620UV	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	1In Stock	$122.74 $107.25 $74.48 $65.51 View $54.21 Quote	Min.: 1 Mult.: 1		Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic				2 Pole	Handle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IULN1-1-51-.100 AIRPAX 1: $99.98 3In Stock	Mfr. Part No. IULN1-1-51-.100 Mouser Part No 874-IULN115101	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	3In Stock	$99.98 $87.30 $60.62 $53.28 View $44.12 $40.41 Quote	Min.: 1 Mult.: 1	IAL/IDL/IML/IUL	Circuit Breakers	Hydraulic Magnetic	100 mA				Handle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IULNK11-1-63-15.0-U AIRPAX 1: $192.82 1In Stock	Mfr. Part No. IULNK11-1-63-15.0-U Mouser Part No 874-IULNK1116315U	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	1In Stock	$192.82 $168.45 $117.01 $102.82 View $85.12 Quote	Min.: 1 Mult.: 1	IAL/IDL/IML/IUL	Circuit Breakers	Hydraulic Magnetic	15 A				Handle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MCB S200MUC 2P C 63A AC/DC S202MUC-C63 ABB 1: $400.33 2In Stock New At Mouser	Mfr. Part No. S202MUC-C63 Mouser Part No 894-S202MUC-C63 New At Mouser	ABB	Circuit Breakers MCB S200MUC 2P C 63A AC/DC	Datasheet	2In Stock	$400.33 $319.16 $297.93 View Quote	Min.: 1 Mult.: 1		Circuit Breakers		63 A			2 Pole
Circuit Breakers MCB S200MUC 2P K 5A AC/DC S202MUC-K5 ABB 1: $250.08 4In Stock New At Mouser	Mfr. Part No. S202MUC-K5 Mouser Part No 894-S202MUC-K5 New At Mouser	ABB	Circuit Breakers MCB S200MUC 2P K 5A AC/DC	Datasheet	4In Stock	$250.08 $199.52 $190.39 $174.52 View Quote	Min.: 1 Mult.: 1		Circuit Breakers		5 A			2 Pole
Circuit Breakers MCB S200MUC 3P K 20A AC/DC S203MUC-K20 ABB 1: $375.06 3In Stock New At Mouser	Mfr. Part No. S203MUC-K20 Mouser Part No 894-S203MUC-K20 New At Mouser	ABB	Circuit Breakers MCB S200MUC 3P K 20A AC/DC	Datasheet	3In Stock	$375.06 $304.37 $281.44 View Quote	Min.: 1 Mult.: 1		Circuit Breakers		20 A			3 Pole
Circuit Breakers MCB ST200M 3P B 60A UL1077 ST203M-B60 ABB 1: $223.19 1In Stock New At Mouser	Mfr. Part No. ST203M-B60 Mouser Part No 894-ST203M-B60 New At Mouser	ABB	Circuit Breakers MCB ST200M 3P B 60A UL1077 Learn More about ABB st200m mini circuit breakers	Datasheet	1In Stock	$223.19 $178.06 $169.92 $155.76 View Quote	Min.: 1 Mult.: 1	ST200M	Circuit Breakers		60 A			3 Pole
Circuit Breakers UL489 MCB 2P Z 15A 480/277 SU202M-Z15 ABB 1: $144.10 10In Stock New At Mouser	Mfr. Part No. SU202M-Z15 Mouser Part No 894-SU202M-Z15 New At Mouser	ABB	Circuit Breakers UL489 MCB 2P Z 15A 480/277 Learn More about ABB su200m mini circuit breakers	Datasheet	10In Stock	$144.10 $126.54 $111.34 $95.66 View $92.57 Quote	Min.: 1 Mult.: 1	SU200M	Circuit Breakers		15 A			2 Pole