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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 (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 THQL 2 POLE 120/240V 10K IC 20 AMP THQL2120 ABB 1: $276.31 10In Stock New At Mouser	Mfr. Part No. THQL2120 Mouser Part No 894-THQL2120 New At Mouser	ABB	Circuit Breakers THQL 2 POLE 120/240V 10K IC 20 AMP	Datasheet	10In Stock	$276.31 $229.12 $213.51 $171.37 View Quote	Min.: 1 Mult.: 1
Circuit Breakers SPECIAL TYPE MOT. START. PROT 6.3A 3RV20111GA150BA0 Siemens 1: $615.69 2In Stock	Mfr. Part No. 3RV20111GA150BA0 Mouser Part No 982-3RV20111GA150BA0	Siemens	Circuit Breakers SPECIAL TYPE MOT. START. PROT 6.3A Learn More about Siemens 3rv2 circuit breakers	Datasheet	2In Stock	$615.69 $479.64	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	6.3 A	690 VAC		3 Pole	Rotary	- 50 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S0 1.1-1.6A SPRG W/AUX 1NO/1NC 3RV20211AA25 Siemens 1: $478.61 3In Stock	Mfr. Part No. 3RV20211AA25 Mouser Part No 982-3RV20211AA25	Siemens	Circuit Breakers MSP S0 1.1-1.6A SPRG W/AUX 1NO/1NC Learn More about Siemens 3rv2 circuit breakers	Datasheet	3In Stock	$478.61 $437.97 $428.75 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	1.6 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers BRKR 3VA11 4P 63A 25KA ATAM100NTRL BOX 3VA11633GF460AA0 Siemens 1: $1,131.40 2In Stock	Mfr. Part No. 3VA11633GF460AA0 Mouser Part No 982-3VA11633GF460AA0	Siemens	Circuit Breakers BRKR 3VA11 4P 63A 25KA ATAM100NTRL BOX Learn More about Siemens 3va molded case circuit breakers	Datasheet	2In Stock	$1,131.40 $1,009.04 $985.42 View Quote	Min.: 1 Mult.: 1	3VA	Circuit Breakers	Line Protection	63 A	690 VAC	600 VDC	4 Pole	Paddle	- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers MCSW 3VA51 3P 100A 65KA 3VA51101BB310AA0 Siemens 1: $1,121.52 1In Stock	Mfr. Part No. 3VA51101BB310AA0 Mouser Part No 982-3VA51101BB310AA0	Siemens	Circuit Breakers MCSW 3VA51 3P 100A 65KA Learn More about Siemens 3va molded case circuit breakers	Datasheet	1In Stock	$1,121.52 $1,013.64 $990.27 View Quote	Min.: 1 Mult.: 1	3VA	Thermal Magnetic Circuit Breakers	System Protection	100 A	690 VAC	500 VDC	3 Pole	Paddle	- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 2P 240V 30A 10K D-TRIP 5SJ42308HG41 Siemens 1: $242.92 5In Stock	Mfr. Part No. 5SJ42308HG41 Mouser Part No 982-5SJ42308HG41	Siemens	Circuit Breakers MCB 5SJ4 2P 240V 30A 10K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	5In Stock	$242.92 $193.81 $191.76 $177.87 View Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	30 A	240 VAC	60 VDC	2 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 2P 480V 40A 5K B-TRIP 5SY42406 Siemens 1: $195.36 5In Stock	Mfr. Part No. 5SY42406 Mouser Part No 982-5SY42406	Siemens	Circuit Breakers SUP PTOR 5SY4 2P 480V 40A 5K B-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	5In Stock	$195.36 $166.12 $157.79 $146.12 View $141.86 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	40 A	400 VAC	60 VDC	2 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers DOOR,15"x54" 8PG11921DE11 Siemens 1: $719.60 1In Stock New At Mouser	Mfr. Part No. 8PG11921DE11 Mouser Part No 982-8PG11921DE11 New At Mouser	Siemens	Circuit Breakers DOOR,15"x54"		1In Stock	$719.60 $707.04	Min.: 1 Mult.: 1
Circuit Breakers OPERATING MECHANISM CABLE MECHANISM NEMA 9422CSF504 Square D 1: $550.51 1In Stock New At Mouser	Mfr. Part No. 9422CSF504 Mouser Part No 996-9422CSF504 New At Mouser	Square D	Circuit Breakers OPERATING MECHANISM CABLE MECHANISM NEMA	Datasheet	1In Stock	$550.51	Min.: 1 Mult.: 1
Circuit Breakers 8A CIRCUIT PROTECTOR NRF110-8A IDEC 1: $21.90 9In Stock	Mfr. Part No. NRF110-8A Mouser Part No 199-NRF1108A	IDEC	Circuit Breakers 8A CIRCUIT PROTECTOR	Datasheet	9In Stock	$21.90 $17.30 $16.22 $14.93 View $14.32 $13.87 $13.72	Min.: 1 Mult.: 1	NRF	Circuit Breakers			250 VAC	32 VDC	1 Pole		- 10 C	+ 60 C
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-F160-P7T1-W01Q-10A E-T-A 1: $83.10 2In Stock	Mfr. Part No. 3130-F160-P7T1-W01Q-10A Mouser Part No 457-0F160P7T1W01Q10A	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	2In Stock	$83.10 $61.44 $57.12 $51.34 View $49.99 $48.36	Min.: 1 Mult.: 1	3130-F	Circuit Breakers	Thermal	10 A	240 VAC, 415 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers Circuit BreakerS 104-PR-0.1A E-T-A 1: $30.84 39In Stock	Mfr. Part No. 104-PR-0.1A Mouser Part No 457-104-PR-0.1A	E-T-A	Circuit Breakers Circuit BreakerS	Datasheet	39In Stock	$30.84 $28.07 $25.73 $19.50 View $18.28 $17.04 $16.25 $16.20 Quote	Min.: 1 Mult.: 1	104	Thermal Circuit Breakers	Overcurrent Protection	100 mA	240 VAC	48 VDC	1 Pole	Push to Reset	- 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-PR-0.8A E-T-A 1: $30.84 29In Stock	Mfr. Part No. 104-PR-0.8A Mouser Part No 457-104-PR-0.8A	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	29In Stock	$30.84 $28.07 $25.73 $18.82 View $18.41 $17.24 $16.74 Quote	Min.: 1 Mult.: 1	104	Thermal Circuit Breakers	Overcurrent Protection	800 mA	240 VAC	48 VDC	1 Pole	Push to Reset	- 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-PR3-1A E-T-A 1: $30.86 16In Stock	Mfr. Part No. 104-PR3-1A Mouser Part No 457-104-PR3-1A	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	16In Stock	$30.86 $28.08 $25.74 $19.50 View $19.24 $18.10 $17.53 Quote	Min.: 1 Mult.: 1	104	Thermal Circuit Breakers	Overcurrent Protection	1 A	240 VAC	48 VDC	1 Pole	Push to Reset	- 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-PR3-4A E-T-A 1: $30.84 20In Stock	Mfr. Part No. 104-PR3-4A Mouser Part No 457-104-PR3-4A	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	20In Stock	$30.84 $28.07 $25.73 $19.50 View $18.28 $17.04 $16.25 $16.20 Quote	Min.: 1 Mult.: 1	104	Thermal Circuit Breakers	Overcurrent Protection	4 A	240 VAC	48 VDC	1 Pole	Push to Reset	- 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) snap-in type. Manual release facility optional. Approved to CBE standard EN 60934 (IEC 60934 105-P10-1A E-T-A 1: $39.55 8In Stock	Mfr. Part No. 105-P10-1A Mouser Part No 457-105-P10-1A	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) snap-in type. Manual release facility optional. Approved to CBE standard EN 60934 (IEC 60934	Datasheet	8In Stock	$39.55 $32.82 $30.27 $23.62 View $22.86 $22.22 $21.64 Quote	Min.: 1 Mult.: 1	105	Thermal Circuit Breakers	Overcurrent Protection	1 A	240 VAC	48 VDC	1 Pole	Push to Reset	- 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) snap-in type. Manual release facility optional. Approved to CBE standard EN 60934 (IEC 60934 105-P10-5A E-T-A 1: $39.56 12In Stock	Mfr. Part No. 105-P10-5A Mouser Part No 457-105-P10-5A	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) snap-in type. Manual release facility optional. Approved to CBE standard EN 60934 (IEC 60934	Datasheet	12In Stock	$39.56 $32.83 $30.29 $23.07 View $22.39 $21.75 $21.66	Min.: 1 Mult.: 1	105	Thermal Circuit Breakers	Overcurrent Protection	5 A	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-4A 92 2210-S211-P1M1-H111-4A E-T-A 1: $335.82 3In Stock	Mfr. Part No. 2210-S211-P1M1-H111-4A Mouser Part No 457-10S211P1M1H1114A	E-T-A	Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-4A 92 Learn More about E-T-A e t a 2210 s2 thermal magnetic circuit breakers	Datasheet	3In Stock	$335.82 $239.85 $233.00 $230.66	Min.: 1 Mult.: 1	2210-S2	Thermal Circuit Breakers	Thermal Magnetic					Toggle
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), snap-in panel mounting. For lower current ratings see type 105. Approved to CBE standard EN 1140-F114-P1M1-10A E-T-A 1: $32.08 52In Stock	Mfr. Part No. 1140-F114-P1M1-10A Mouser Part No 457-1140F114P1M110A	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), snap-in panel mounting. For lower current ratings see type 105. Approved to CBE standard EN	Datasheet	52In Stock	$32.08 $29.21 $26.78 $23.11 View $19.00 $17.71 $17.22	Min.: 1 Mult.: 1	1140	Miniature Circuit Breakers	Overcurrent Protection	10 A	240 VAC	48 VDC	1 Pole	Push to Reset	- 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. For lower current ratings see types 106. Approved to CBE standard E 1140-G311-P1M1-16A E-T-A 1: $34.22 50In Stock	Mfr. Part No. 1140-G311-P1M1-16A Mouser Part No 457-1140G311P1M116A	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. For lower current ratings see types 106. Approved to CBE standard E	Datasheet	50In Stock	$34.22 $31.58 $29.61 $28.75 View $23.46 $22.20 $21.32 Quote	Min.: 1 Mult.: 1	1140	Miniature Circuit Breakers	Overcurrent Protection	16 A	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-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-F120-P7T1-W19QG6-15A E-T-A 1: $86.66 9In Stock	Mfr. Part No. 3130-F120-P7T1-W19QG6-15A Mouser Part No 457-120P7T1W19QG615A	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	$86.66 $74.57 $59.79 $53.46 $51.63	Min.: 1 Mult.: 1	3130-F		Thermal Overcurrent	15 A	415 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Illuminated
Circuit Breakers Single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism and separate manual release (M-type TO CBE to EN 60934). Designed for bolt-on mounting with terminal block type 83-P10. 129-L11-H-KF-30A E-T-A 1: $66.07 9In Stock	Mfr. Part No. 129-L11-H-KF-30A Mouser Part No 457-129-L11-H-KF-30A	E-T-A	Circuit Breakers Single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism and separate manual release (M-type TO CBE to EN 60934). Designed for bolt-on mounting with terminal block type 83-P10.	Datasheet	9In Stock	$66.07 $54.81 $44.40 $39.00 $37.98	Min.: 1 Mult.: 1	129	Thermal Circuit Breakers	Automotive	30 A	250 VAC	28 VDC	1 Pole	Push to Reset	- 40 C	+ 75 C	Non-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-F130-P7T1-W14QR7-16A E-T-A 1: $94.06 8In Stock	Mfr. Part No. 3130-F130-P7T1-W14QR7-16A Mouser Part No 457-130P7T1W14QR716A	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	8In Stock	$94.06 $80.91 $64.87 $58.00 $56.02	Min.: 1 Mult.: 1	3130-F		Thermal Overcurrent	16 A	415 VAC	50 VDC	3 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-N31F-P7T1-SGRD-6A E-T-A 1: $44.77 6In Stock	Mfr. Part No. 3120-N31F-P7T1-SGRD-6A Mouser Part No 457-20N31FP7T1SGRD6A	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	Datasheet	6In Stock	$44.77 $37.14 $30.30 $28.68 View $25.12 $24.37 $23.57 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection					Rocker
Circuit Breakers Single and two 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 (S type MO or HM CBE to EN 60934) ensures 8340-G211-P1H1-A4H121D-3A E-T-A 1: $211.86 6In Stock	Mfr. Part No. 8340-G211-P1H1-A4H121D-3A Mouser Part No 457-211P1H14H121D3	E-T-A	Circuit Breakers Single and two 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 (S type MO or HM CBE to EN 60934) ensures	Datasheet	6In Stock	$211.86 $175.68 $163.70 $134.82 $125.19	Min.: 1 Mult.: 1	8340-G	Hydraulic Magnetic Circuit Breakers	Thermal Magnetic		240 VAC, 415 VAC	80 VDC	1 Pole	Toggle	- 40 C	+ 85 C