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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
Circuit Breakers MSP S2 CLASS 10 42-52A SCREW 3RV20314WA10 Siemens 1: $641.51 7In Stock	Mfr. Part No. 3RV20314WA10 Mouser Part No 982-3RV20314WA10	Siemens	Circuit Breakers MSP S2 CLASS 10 42-52A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	7In Stock	$641.51 $552.69 $501.76	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	52 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve 1620-3-30A E-T-A 1: $13.23 414In Stock	Mfr. Part No. 1620-3-30A Mouser Part No 457-1620-3-30A	E-T-A	Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve Learn More about E-T-A e t a 1620 circuit breakers	Datasheet	414In Stock	$13.23 $12.35 $10.51 $8.64 View $7.75 $6.01	Min.: 1 Mult.: 1	1620	Miniature Circuit Breakers	Automotive	30 A		24 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 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 protection of motors 3120-N521-H7T1-W01D-8A E-T-A 1: $48.44 413In Stock	Mfr. Part No. 3120-N521-H7T1-W01D-8A Mouser Part No 457-521H7T1W01D8	E-T-A	Circuit Breakers 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 protection of motors Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	413In Stock	$48.44 $40.18 $32.66 $29.67 $25.34	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	8 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers CBMC E4 24DC/1-10A S-R 1065729 Phoenix Contact 1: $152.63 92In Stock	Mfr. Part No. 1065729 Mouser Part No 651-1065729	Phoenix Contact	Circuit Breakers CBMC E4 24DC/1-10A S-R Learn More about Phoenix Contact cbmc circuit breakers	Datasheet	92In Stock	$152.63	Min.: 1 Mult.: 1	CBMC	Circuit Breakers	Electronic	40 A		24 VDC	1 Pole	Pushbutton	- 25 C	+ 60 C	Illuminated
Circuit Breakers Cir Brkr,HydMag IAGN66-1-72-30.0 AIRPAX 1: $149.39 24In Stock	Mfr. Part No. IAGN66-1-72-30.0 Mouser Part No 874-IAGN6617230	AIRPAX	Circuit Breakers Cir Brkr,HydMag	Datasheet	24In Stock	$149.39	Min.: 1 Mult.: 1		Circuit Breakers		30 A			2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MSP S0 3.5 - 5A SCREW 3RV20211FA10 Siemens 1: $289.95 29In Stock	Mfr. Part No. 3RV20211FA10 Mouser Part No 982-3RV20211FA10	Siemens	Circuit Breakers MSP S0 3.5 - 5A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	29In Stock	$289.95 $247.52 $218.50 $187.51	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	5 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MAN-START 600VAC 40AMP IEC GV3P25 Schneider Electric 1: $398.59 6In Stock	Mfr. Part No. GV3P25 Mouser Part No 996-GV3P25	Schneider Electric	Circuit Breakers MAN-START 600VAC 40AMP IEC Learn More about Schneider Electric schneider gv3 manual starters protectors	Datasheet	6In Stock	$398.59	Min.: 1 Mult.: 1	GV
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-21-8A E-T-A 1: $18.61 348In Stock	Mfr. Part No. 1170-21-8A Mouser Part No 457-1170-21-8A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	348In Stock	$18.61 $15.46 $14.26 $11.80 View $10.89 $10.36	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	8 A		28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-22-30A E-T-A 1: $19.97 166In Stock	Mfr. Part No. 1170-22-30A Mouser Part No 457-1170-22-30A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	166In Stock	$19.97 $16.57 $15.29 $12.67 View $11.68 $11.19	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	30 A		28 VDC	1 Pole	Push to Reset	- 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-000000-1Y2-10A E-T-A 1: $39.40 341In Stock	Mfr. Part No. 3131-AF1PT-000000-1Y2-10A Mouser Part No 457-F1PT0000001Y210A	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	341In Stock	$39.40 $32.68 $26.74 $23.79 View $22.54 $22.43	Min.: 1 Mult.: 1	3131-A/C	Circuit Breakers	Thermal	10 A	240 VAC	28 VDC	1 Pole	Rocker	- 20 C	+ 60 C	Illuminated
Circuit Breakers Cir Brkr Hyd Mag IUGN11-35721-15 AIRPAX 1: $153.52 33In Stock	Mfr. Part No. IUGN11-35721-15 Mouser Part No 874-IUGN113572115	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	33In Stock	$153.52	Min.: 1 Mult.: 1	IUGN	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic		240 VAC	80 VDC	2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER SIZE S00, CLASS 10 3RV20111FA10 Siemens 1: $254.13 13In Stock	Mfr. Part No. 3RV20111FA10 Mouser Part No 982-3RV20111FA10	Siemens	Circuit Breakers CIRCUIT BREAKER SIZE S00, CLASS 10 Learn More about Siemens 3rv2 circuit breakers	Datasheet	13In Stock	$254.13 $223.25 $212.15 $179.36	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	5 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MAN-START 600VAC 65AMP IEC GV3P65 Schneider Electric 1: $496.60 5In Stock	Mfr. Part No. GV3P65 Mouser Part No 996-GV3P65	Schneider Electric	Circuit Breakers MAN-START 600VAC 65AMP IEC Learn More about Schneider Electric schneider gv3 manual starters protectors	Datasheet	5In Stock	$496.60	Min.: 1 Mult.: 1	GV	Circuit Breakers	Thermal Magnetic	65 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Miniaturised single pole press-to-reset cycling trip free thermal circuit breaker designed for automotive fuse block installation. Extends the benefits of circuit breaker performance and convenience to applications which are cost cri 1610-H2-6A E-T-A 1: $11.92 325In Stock	Mfr. Part No. 1610-H2-6A Mouser Part No 457-1610-H2-6A	E-T-A	Circuit Breakers Miniaturised single pole press-to-reset cycling trip free thermal circuit breaker designed for automotive fuse block installation. Extends the benefits of circuit breaker performance and convenience to applications which are cost cri	Datasheet	325In Stock	$11.92 $9.90 $9.14 $7.57 View $6.97 $6.27 $5.77 $5.30	Min.: 1 Mult.: 1	1610	Miniature Circuit Breakers	Automotive	6 A		24 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Single pole miniaturised magnetic circuit breakers with unique high-speed operating mechanism and push/pull on/off manual actuation. Fitted with electrically separate excitation and switching circuits, and one pair of auxiliary contac 808-H-0.5A E-T-A 1: $61.77 43In Stock	Mfr. Part No. 808-H-0.5A Mouser Part No 457-808-H-0.5A	E-T-A	Circuit Breakers Single pole miniaturised magnetic circuit breakers with unique high-speed operating mechanism and push/pull on/off manual actuation. Fitted with electrically separate excitation and switching circuits, and one pair of auxiliary contac	Datasheet	43In Stock	$61.77 $51.32 $46.95 $39.46 View $36.56 $33.98	Min.: 1 Mult.: 1	808	Circuit Breakers	Miniature	500 mA		24 VDC	1 Pole	Pushbutton	- 30 C	+ 70 C	Non-Illuminated
Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934), PCB mounting. Miniaturised construction minimises PCB real estate required. Type 1410-L2 features chang 1410-L210-L2F1-S02-3.15A E-T-A 1: $14.96 160In Stock	Mfr. Part No. 1410-L210-L2F1-S02-3.15A Mouser Part No 457-L210L2F1S023.15A	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), PCB mounting. Miniaturised construction minimises PCB real estate required. Type 1410-L2 features chang Learn More about E-T-A eta 1410 L2 thermal circuit breakers	Datasheet	160In Stock	$14.96 $12.41 $11.46 $9.48 View $8.75 $8.13	Min.: 1 Mult.: 1	1410-L2	Thermal Circuit Breakers	Overcurrent Protection	3.15 A	240 VAC	28 VDC	1 Pole	Rocker	- 20 C	+ 70 C	Non-Illuminated
Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 4A, No Comm REX12-TA1-107-DC24V-4A E-T-A 1: $49.40 43In Stock	Mfr. Part No. REX12-TA1-107-DC24V-4A Mouser Part No 457-T1107DC24V4	E-T-A	Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 4A, No Comm Learn More about E-T-A eta rex 12t circuit breakers	Datasheet	43In Stock	$49.40 $44.22 $41.21 $37.01 View $34.77 $32.62	Min.: 1 Mult.: 1	REX12-T	Circuit Breakers	Electronic	4 A		24 VDC	1 Pole	Push to Reset	- 25 C	+ 60 C	Illuminated
Circuit Breakers Cir Brkr,HydMag IELHK11-1REC4-62-20.0-E-01-V AIRPAX 1: $183.38 13In Stock	Mfr. Part No. IELHK11-1REC4-62-20.0-E-01-V Mouser Part No 874-HK111REC46220E1V	AIRPAX	Circuit Breakers Cir Brkr,HydMag	Datasheet	13In Stock	$183.38	Min.: 1 Mult.: 1	IEL
Circuit Breakers Cir Brkr Hyd Mag PP21-1-15.0A-OA-V AIRPAX 1: $44.55 48In Stock	Mfr. Part No. PP21-1-15.0A-OA-V Mouser Part No 874-PP211150AOAV	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata snapak circuit protectors	Datasheet	48In Stock	$44.55	Min.: 1 Mult.: 1		Thermal Circuit Breakers	Thermal	15 A			2 Pole	Push-Pull	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MSP,GROUP TAP,S00,CL10,1.1-1.6A,SCREW 3RV10111AA10 Siemens 1: $344.68 10In Stock	Mfr. Part No. 3RV10111AA10 Mouser Part No 982-3RV10111AA10	Siemens	Circuit Breakers MSP,GROUP TAP,S00,CL10,1.1-1.6A,SCREW Learn More about Siemens 3rv1 motor starter protectors	Datasheet	10In Stock	$344.68 $303.28 $286.95	Min.: 1 Mult.: 1	3RV1	Circuit Breakers	Motor Protection	1.6 A	690 VAC		3 Pole	Toggle	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S0 11-16A SCREW W/AUX 1NO/1NC 3RV20214AA15 Siemens 1: $380.43 6In Stock	Mfr. Part No. 3RV20214AA15 Mouser Part No 982-3RV20214AA15	Siemens	Circuit Breakers MSP S0 11-16A SCREW W/AUX 1NO/1NC Learn More about Siemens 3rv2 circuit breakers	Datasheet	6In Stock	$380.43 $321.00 $301.64 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	16 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S2 CLASS 10 28-36A SCREW 3RV20314PA10 Siemens 1: $549.17 6In Stock	Mfr. Part No. 3RV20314PA10 Mouser Part No 982-3RV20314PA10	Siemens	Circuit Breakers MSP S2 CLASS 10 28-36A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	6In Stock	$549.17 $459.49 $424.13	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	36 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S00 FOR XFRMR 5.5-8A SCREW 3RV24111HA10 Siemens 1: $278.22 9In Stock	Mfr. Part No. 3RV24111HA10 Mouser Part No 982-3RV24111HA10	Siemens	Circuit Breakers MSP S00 FOR XFRMR 5.5-8A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	9In Stock	$278.22 $250.93 $232.53 $198.20	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Transformer Protection	8 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers TMCB UL489 S00 3.2A SCREW 3RV27111DD10 Siemens 1: $557.59 5In Stock	Mfr. Part No. 3RV27111DD10 Mouser Part No 982-3RV27111DD10	Siemens	Circuit Breakers TMCB UL489 S00 3.2A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	5In Stock	$557.59 $466.67 $430.29	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	System Protection	3.2 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 2P 240V 10A 14K C-TRIP 5SJ42107HG41 Siemens 1: $162.95 38In Stock	Mfr. Part No. 5SJ42107HG41 Mouser Part No 982-5SJ42107HG41	Siemens	Circuit Breakers MCB 5SJ4 2P 240V 10A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	38In Stock	$162.95 $143.37 $133.23 $115.39 Quote Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	10 A	240 VAC	60 VDC	2 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated