.hide-partial { max-height: none; } .show-more { display: none; }

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.
More...

Please view our large selection of circuit breakers below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 159,531

Applied Filters:

Manufacturer

Series

Product

Type

Current Rating

Voltage Rating AC

Voltage Rating DC

Number of Poles

Actuator

Minimum Operating Temperature

Maximum Operating Temperature

Illuminated

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) 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 Single pole thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and two button operation (M-type TM CBE to EN 60934). Designed for plug-in mounting with E-T-A sockets 17-P10-Si, 23-P10-Si, 63-P10-Si; or 3600-P10-SI-3A E-T-A 1: $169.92 42In Stock	Mfr. Part No. 3600-P10-SI-3A Mouser Part No 457-3600-P10-SI-3A	E-T-A	Circuit Breakers Single pole thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and two button operation (M-type TM CBE to EN 60934). Designed for plug-in mounting with E-T-A sockets 17-P10-Si, 23-P10-Si, 63-P10-Si; or	Datasheet	42In Stock	$169.92 $138.79 $130.82 $122.26 View $119.00 Quote	Min.: 1 Mult.: 1	3600	Thermal Circuit Breakers	Thermal Magnetic	3 A	240 VAC	65 VDC	1 Pole	Pushbutton Dual	- 30 C	+ 60 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: $84.03 42In 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	42In Stock	$84.03 $69.88 $63.84 $53.54 View $49.71 $44.57	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: $20.33 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	$20.33 $15.56 $14.70 $12.80 View $11.74 $10.64 $10.23	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: $71.45 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	$71.45 $60.13 $56.03 $50.32 View $47.29 $42.94	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: $230.19 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	$230.19 $209.43 $145.49 $127.89 View $105.79 Quote	Min.: 1 Mult.: 1	IEL
Circuit Breakers Cir Brkr Hyd Mag PP21-1-15.0A-OA-V AIRPAX 1: $55.94 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	$55.94 $54.89 $53.27 $50.48 View $48.32 $46.61 Quote	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: $534.21 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	$534.21 $443.97 $403.68 View Quote	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 S00 0.7-1A SPRING 3RV20110JA20 Siemens 1: $353.33 8In Stock	Mfr. Part No. 3RV20110JA20 Mouser Part No 982-3RV20110JA20	Siemens	Circuit Breakers MSP S00 0.7-1A SPRING Learn More about Siemens 3rv2 circuit breakers	Datasheet	8In Stock	$353.33 $293.15 $264.85 $223.20	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	1 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S0 11-16A SCREW W/AUX 1NO/1NC 3RV20214AA15 Siemens 1: $543.63 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	$543.63 $451.91 $416.55	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 S0 34-40A SCREW 3RV20214FA10 Siemens 1: $864.84 4In Stock	Mfr. Part No. 3RV20214FA10 Mouser Part No 982-3RV20214FA10	Siemens	Circuit Breakers MSP S0 34-40A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	4In Stock	$864.84 $716.46 $660.08	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	40 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S2 CLASS 10 28-36A SCREW 3RV20314PA10 Siemens 1: $746.45 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	$746.45 $625.94 $576.72	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	36 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers TMCB UL489 S00 3.2A SCREW 3RV27111DD10 Siemens 1: $758.46 4In 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	4In Stock	$758.46 $666.47 $626.12	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 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: $25.31 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	$25.31 $21.01 $19.38 $16.05 View $14.80 $13.27 $12.23 $11.70	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: $27.15 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	$27.15 $22.54 $20.79 $17.22 View $15.87 $14.24 $13.10 $12.62	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: $53.58 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	$53.58 $44.44 $36.35 $32.35 View $30.65 $30.50	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: $192.70 33In Stock	Mfr. Part No. IUGN11-35721-15 Mouser Part No 874-IUGN113572115	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	33In Stock	$192.70 $175.30 $121.79 $107.05 View $88.55 Quote	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: $336.67 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	$336.67 $297.88 $275.18 $243.89	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	5 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) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 104-PR3-10A E-T-A 1: $30.86 131In Stock	Mfr. Part No. 104-PR3-10A Mouser Part No 457-104-PR3-10A	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) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings	Datasheet	131In Stock	$30.86 $24.03 $21.92 $19.76 View $17.63 $17.04 $16.29 $16.21 Quote	Min.: 1 Mult.: 1	104	Thermal Circuit Breakers	Overcurrent Protection	10 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-IG2-P10-DD-20A E-T-A 1: $47.65 108In Stock	Mfr. Part No. 2-5700-IG2-P10-DD-20A Mouser Part No 457-25700IG2P10DD20A	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	108In Stock	$47.65 $39.54 $34.71 $30.27 View $26.07 $24.96 $23.64	Min.: 1 Mult.: 1	2-5700	Thermal Circuit Breakers	Overcurrent Protection	20 A	250 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 1077, 3P, DM, 480VAC/60VDC, D, 30A 4230-T130-K0DE-30A E-T-A 1: $50.13 130In Stock	Mfr. Part No. 4230-T130-K0DE-30A Mouser Part No 457-4230T130K0DE30	E-T-A	Circuit Breakers 1077, 3P, DM, 480VAC/60VDC, D, 30A Learn More about E-T-A eta 4230 t mcb	Datasheet	130In Stock	$50.13 $43.74 $40.41 $37.01 View $31.04 Quote	Min.: 1 Mult.: 1	4230-T	Miniature Circuit Breakers	Thermal Magnetic	30 A	415 VAC		3 Pole	Toggle	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers CAPAROC E2 12-24DC/2-10A 1110984 Phoenix Contact 1: $126.67 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	$126.67	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: $230.19 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	$230.19 $209.43 $145.49 $127.89 View $105.79 Quote	Min.: 1 Mult.: 1	IEL
Circuit Breakers CIRCUIT BREAKER IUGN66-1-61-10.0 AIRPAX 1: $187.53 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	$187.53 $170.64 $118.55 $104.18 View $86.22 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: $124.48 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	$124.48 $113.25 $78.68 $69.16 View $57.22 $52.46 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: $421.80 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	$421.80 $363.94 $350.98 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	4 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated