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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 CAPAROC E2 12-24DC/2-10A 1110984 Phoenix Contact 1: $93.14 152In Stock	Mfr. Part No. 1110984 Mouser Part No 651-1110984	Phoenix Contact	Circuit Breakers CAPAROC E2 12-24DC/2-10A Learn More about Phoenix Contact caparoc circuit breaker system	Datasheet	152In Stock	$93.14	Min.: 1 Mult.: 1	CAPAROC E2	Circuit Breakers	Electronic	10 A		24 VDC	2 Pole	Lever	- 30 C	+ 65 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IELHK11-1REC4-62-30.0-E-01-V AIRPAX 1: $169.26 12In Stock	Mfr. Part No. IELHK11-1REC4-62-30.0-E-01-V Mouser Part No 874-HK111REC46230E1V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	12In Stock	$169.26 $153.99 $106.98 $94.04 View $77.79 Quote	Min.: 1 Mult.: 1	IEL
Circuit Breakers CIRCUIT BREAKER IUGN66-1-61-10.0 AIRPAX 1: $137.89 9In Stock	Mfr. Part No. IUGN66-1-61-10.0 Mouser Part No 874-IUGN66-1-61-10.0	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata iug breaker	Datasheet	9In Stock	$137.89 $125.47 $87.17 $76.60 View $63.40 Quote	Min.: 1 Mult.: 1	IUGN	Circuit Breakers	Hydraulic Magnetic	10 A	240 VAC	80 VDC	2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr,HydMag IULNK1-1-51-7.00-K AIRPAX 1: $91.53 14In Stock	Mfr. Part No. IULNK1-1-51-7.00-K Mouser Part No 874-IULNK11517K	AIRPAX	Circuit Breakers Cir Brkr,HydMag	Datasheet	14In Stock	$91.53 $83.27 $57.85 $50.85 View $42.07 $38.57 Quote	Min.: 1 Mult.: 1	IAL/IDL/IML/IUL	Circuit Breakers	Hydraulic Magnetic	7 A				Handle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MSP S00 2.8-4A AUX 1NO 1NC SCREW 3RV20111EA15 Siemens 1: $310.15 10In Stock	Mfr. Part No. 3RV20111EA15 Mouser Part No 982-3RV20111EA15	Siemens	Circuit Breakers MSP S00 2.8-4A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	10In Stock	$310.15 $267.60 $258.07 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	4 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S00 9-12.5A SCREW 3RV20111KA10 Siemens 1: $281.63 11In Stock	Mfr. Part No. 3RV20111KA10 Mouser Part No 982-3RV20111KA10	Siemens	Circuit Breakers MSP S00 9-12.5A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	11In Stock	$281.63 $251.62 $235.78 $198.83 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	12.5 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S0 27-32A AUX 1NO 1NC SCREW 3RV20214EA15 Siemens 1: $554.70 7In Stock	Mfr. Part No. 3RV20214EA15 Mouser Part No 982-3RV20214EA15	Siemens	Circuit Breakers MSP S0 27-32A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	7In Stock	$554.70 $462.23 $425.89	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	32 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S2 CLASS 10 42-52A SCREW 3RV20314WA10 Siemens 1: $657.60 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	$657.60 $580.58 $501.68	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	52 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 106-M2-P30-3A E-T-A 1: $22.68 160In Stock	Mfr. Part No. 106-M2-P30-3A Mouser Part No 457-106-M2-P30-3A	E-T-A	Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati	Datasheet	160In Stock	$22.68 $16.55 $15.40 $13.23 View $10.49 $9.84 $9.82 Quote	Min.: 1 Mult.: 1	106-M2	Thermal Circuit Breakers	Overcurrent Protection	3 A	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 2-5700-IG1-K10-38A E-T-A 1: $42.94 69In Stock	Mfr. Part No. 2-5700-IG1-K10-38A Mouser Part No 457-25700IG1K1038A	E-T-A	Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ	Datasheet	69In Stock	$42.94 $37.80 $32.93 $30.67 View $27.54 $26.68	Min.: 1 Mult.: 1	2-5700	Thermal Circuit Breakers	Overcurrent Protection	38 A	250 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag CPP11-52-15.0A-OC-V AIRPAX 1: $21.32 63In Stock	Mfr. Part No. CPP11-52-15.0A-OC-V Mouser Part No 874-CPP1152150AOCV	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata snapak circuit protectors	Datasheet	63In Stock	$21.32 $20.94 $20.28 $19.22 View $18.43 $17.76 $16.31 Quote	Min.: 1 Mult.: 1	Snapak	Thermal Circuit Breakers	Thermal	15 A	250 VAC	65 VDC	1 Pole	Push-Pull	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MSP S0 9 - 12.5A SCREW 3RV20211KA10 Siemens 1: $327.41 9In Stock	Mfr. Part No. 3RV20211KA10 Mouser Part No 982-3RV20211KA10	Siemens	Circuit Breakers MSP S0 9 - 12.5A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	9In Stock	$327.41 $271.30 $250.11 $222.33 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	12.5 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 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 1170-21-8A 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 $15.45 $14.25 $11.80 View $10.88 $9.76 $8.99 $8.60	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: $19.96 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	$19.96 $16.57 $15.29 $12.66 View $11.67 $10.47 $9.63 $9.28	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 $26.73 $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 CIRCUIT BREAKER SIZE S00, CLASS 10 3RV20111FA10 Siemens 1: $247.55 12In 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	12In Stock	$247.55 $219.03 $202.34 $179.33	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	5 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: $10.30 404In 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	404In Stock	$10.30 $8.55 $7.89 $6.54 View $6.03 $5.41 $5.13 Quote	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: $48.43 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	$48.43 $40.17 $32.65 $29.66 View $24.77 $23.74 $23.70 Quote	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 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-N321-P7T1-W01D-10A E-T-A 1: $34.20 141In Stock	Mfr. Part No. 3120-N321-P7T1-W01D-10A Mouser Part No 457-N321P7T1W01D10	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 prot Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	141In Stock	$34.20 $28.38 $26.95 $23.79 View $22.05 $17.91 $16.78	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	10 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: $116.29 90In 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	90In Stock	$116.29	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: $137.89 24In Stock	Mfr. Part No. IAGN66-1-72-30.0 Mouser Part No 874-IAGN6617230	AIRPAX	Circuit Breakers Cir Brkr,HydMag	Datasheet	24In Stock	$137.89 $125.47 $87.17 $76.60 View $63.40 Quote	Min.: 1 Mult.: 1		Circuit Breakers		30 A			2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MSP,GROUP TAP,S00,CL10,4.5-6.3A,SCREW 3RV10111GA10 Siemens 1: $334.72 5In Stock	Mfr. Part No. 3RV10111GA10 Mouser Part No 982-3RV10111GA10	Siemens	Circuit Breakers MSP,GROUP TAP,S00,CL10,4.5-6.3A,SCREW Learn More about Siemens 3rv1 motor starter protectors	Datasheet	5In Stock	$334.72 $324.72	Min.: 1 Mult.: 1	3RV1	Circuit Breakers	Motor Protection	6.3 A	690 VAC		3 Pole	Toggle	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S0 3.5 - 5A SCREW 3RV20211FA10 Siemens 1: $295.18 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	$295.18 $243.79 $226.70 $186.99	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	5 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S0 23-28A SCREW 3RV20214NA10 Siemens 1: $503.16 12In Stock	Mfr. Part No. 3RV20214NA10 Mouser Part No 982-3RV20214NA10	Siemens	Circuit Breakers MSP S0 23-28A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	12In Stock	$503.16 $416.78 $384.07 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	28 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S2 CLASS 20 22-32A SCREW 3RV20314EB10 Siemens 1: $634.41 5In Stock	Mfr. Part No. 3RV20314EB10 Mouser Part No 982-3RV20314EB10	Siemens	Circuit Breakers MSP S2 CLASS 20 22-32A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	5In Stock	$634.41 $541.82 $484.16 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	32 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated