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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 Protector 2A NRAS2100-2A-AA IDEC 1: $61.23 1In Stock	Mfr. Part No. NRAS2100-2A-AA Mouser Part No 199-NRAS21002AAA	IDEC	Circuit Breakers Circuit Protector 2A	Datasheet	1In Stock	$61.23 $52.53 $49.94 $46.42 View $45.11 $44.21 Quote	Min.: 1 Mult.: 1	NRA	Circuit Breakers	Magnetic	2 A	250 VAC	65 VDC	2 Pole	Lever	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Circuit Protector NRF211-0.5A IDEC 1: $25.78 5In Stock	Mfr. Part No. NRF211-0.5A Mouser Part No 199-NRF21105A	IDEC	Circuit Breakers Circuit Protector	Datasheet	5In Stock	$25.78 $23.33 $21.23 $20.05 View $18.74 $18.21 $17.66 Quote	Min.: 1 Mult.: 1	NRF	Circuit Breakers			250 VAC	32 VDC	1 Pole		- 10 C	+ 60 C
Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Miniaturised construction minimises PCB real estate required. Largely temperature-insensitive.x -E. Returning the rocke 1410-L410-P3F1-E01-2.5A E-T-A 1: $17.97 33In Stock	Mfr. Part No. 1410-L410-P3F1-E01-2.5A Mouser Part No 457-0L410P3F1E012.5A	E-T-A	Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Miniaturised construction minimises PCB real estate required. Largely temperature-insensitive.x -E. Returning the rocke	Datasheet	33In Stock	$17.97 $12.22 $9.74 $9.03	Min.: 1 Mult.: 1	1410-L4	Circuit Breakers	Thermal	2.5 A	240 VAC	28 VDC	1 Pole	Rocker	- 20 C	+ 70 C	Non-Illuminated
Circuit Breakers Min Ord Qty 10. The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 3120-N303-N7Q1-W01K-16A E-T-A 1: $32.41 8In Stock	Mfr. Part No. 3120-N303-N7Q1-W01K-16A Mouser Part No 457-0N303N7Q1W01K16A	E-T-A	Circuit Breakers Min Ord Qty 10. The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot	Datasheet	8In Stock	$32.41 $26.89 $20.46 $18.78 View $15.04 $14.24 $13.62 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection					Rocker
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 Service for verificati E-T-A 1658-G41-00-P10-055829-15A 1658-G41-00-P10-055829-15A E-T-A 1: $6.81 60In Stock	Mfr. Part No. 1658-G41-00-P10-055829-15A Mouser Part No 457-100P1005582915A	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 Service for verificati	Datasheet	60In Stock	$6.81 $6.41 $6.18 $4.81 View $3.54 $3.45 $3.20 $3.13 $3.12	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 Single, two and three pole magnetic circuit breakers with trip-free mechanism and push/pull on/off manual actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (Stype MO or HM CBE to EN 60934) en 8340-G110-R1H1-A7H0-50A E-T-A 1: $125.95 8In Stock	Mfr. Part No. 8340-G110-R1H1-A7H0-50A Mouser Part No 457-110R1H17H050	E-T-A	Circuit Breakers Single, two and three pole magnetic circuit breakers with trip-free mechanism and push/pull on/off manual actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (Stype MO or HM CBE to EN 60934) en		8In Stock	$125.95 $104.43 $86.25 $82.58 $80.02	Min.: 1 Mult.: 1	8340-G	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 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-A00-00-P10-20A 1658-A00-00-P10-20A E-T-A 1: $7.28 296In Stock	Mfr. Part No. 1658-A00-00-P10-20A Mouser Part No 457-1658A0000P1020A	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	296In Stock	$7.28 $6.93 $6.68 $5.20 View $4.34 $4.20 $3.58 $3.50	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 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-G21-02-P10-7A 1658-G21-02-P10-7A E-T-A 1: $7.28 82In Stock	Mfr. Part No. 1658-G21-02-P10-7A Mouser Part No 457-1658G2102P107A	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	82In Stock	$7.28 $6.93 $6.68 $5.20 View $3.93 $3.82 $3.57 $3.50	Min.: 1 Mult.: 1	1658	Thermal Circuit Breakers	Overcurrent Protection	7 A	240 VAC	28 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-P10-3.5A E-T-A 1: $50.02 5In Stock	Mfr. Part No. 2-6500-P10-3.5A Mouser Part No 457-26500P103.5A	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	5In Stock	$50.02 $41.49 $35.15 $32.00 View $29.59 $28.64 Quote	Min.: 1 Mult.: 1	2-6500	Circuit Breakers	Overcurrent Protection
Circuit Breakers AC PEM, w/ 2 pole , 3A, white rocker, C14 inlet, pre-wired 3120-N526-P7T1-W02D-3A-X3120-A-04-00-11 E-T-A 1: $46.14 5In Stock	Mfr. Part No. 3120-N526-P7T1-W02D-3A-X3120-A-04-00-11 Mouser Part No 457-3120N526P7TX3120	E-T-A	Circuit Breakers AC PEM, w/ 2 pole , 3A, white rocker, C14 inlet, pre-wired Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	5In Stock	$46.14 $38.27 $35.31 $30.00 View $28.13 $26.26 Quote	Min.: 1 Mult.: 1		Thermal Circuit Breakers	Overcurrent Protection	3 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated	Bulk
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