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M Series Circuit Breakers

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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 MU2B246251B21BC MU2-B-24-625-1-B21-B-C Carling Technologies 1: ¥10,881.2 2Expected 12/17/2026	Mfr. Part # MU2-B-24-625-1-B21-B-C Mouser Part # 691-MU2B246251B21BC	Carling Technologies	Circuit Breakers MU2B246251B21BC Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	2Expected 12/17/2026	¥10,881.2 ¥9,278.3 ¥8,715.3 ¥7,919.6 View ¥7,361.6 ¥7,178.8 Quote	Min.: 1 Mult.: 1	M	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	25 A	125 VAC, 250 VAC	80 VDC	2 Pole	Rocker	- 40 C	+ 85 C	Illuminated
Circuit Breakers Miniature Sealed Hydraulic Magnetic Circuit Breaker, 1 POLE, Series Trip (Current), DC, Short, 10A MS-1-B-12-610-2-1BB-A-0A-B Carling Technologies 1: ¥16,641.6 8Expected 11/9/2026	Mfr. Part # MS-1-B-12-610-2-1BB-A-0A-B Mouser Part # 691-S1B1261021BBA0AB	Carling Technologies	Circuit Breakers Miniature Sealed Hydraulic Magnetic Circuit Breaker, 1 POLE, Series Trip (Current), DC, Short, 10A Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	8Expected 11/9/2026	¥16,641.6 ¥14,351 ¥14,206.5	Min.: 1 Mult.: 1	M	Hydraulic Magnetic Circuit Breakers		10 A		65 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MA1B146151A262J MA1-B-14-615-1-A26-2-J Carling Technologies 1: ¥9,809.9 150Stock Available	Mfr. Part # MA1-B-14-615-1-A26-2-J Mouser Part # 691-MA1B146151A262J	Carling Technologies	Circuit Breakers MA1B146151A262J Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	150Stock Available More Info Available	¥9,809.9 ¥8,137.2 ¥7,542.6 ¥7,389.8	Min.: 1 Mult.: 1	M	Hydraulic Magnetic Circuit Breakers	Rocker	15 A	125 VAC, 250 VAC	80 VDC	1 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MA1B946151A337C MA1-B-94-615-1-A33-7-C Carling Technologies 1: ¥7,429.7 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # MA1-B-94-615-1-A33-7-C Mouser Part # 691-MA1B946151A337C	Carling Technologies	Circuit Breakers MA1B946151A337C Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 12 Weeks	¥7,429.7 ¥6,162.3 ¥5,667.3 ¥5,353.4 View ¥4,979.7 ¥4,863.4 Quote	Min.: 1 Mult.: 1	M	Hydraulic Magnetic Circuit Breakers	Rocker	15 A	125 VAC, 250 VAC	80 VDC	1 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Mag Circuit Breaker MA2-B-34-610-3-A12-B-C Carling Technologies 1: ¥13,500.6 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # MA2-B-34-610-3-A12-B-C Mouser Part # 691-MA2B346103A12BC	Carling Technologies	Circuit Breakers Mag Circuit Breaker Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 8 Weeks	¥13,500.6 ¥11,198.5 ¥9,637.1 ¥8,869.7 View ¥8,628.9 Quote	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	10 A	125 VAC, 250 VAC	80 VDC	2 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Mag Circuit Breaker MA2-B-34-615-3-A12-B-C Carling Technologies 1: ¥13,500.6 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # MA2-B-34-615-3-A12-B-C Mouser Part # 691-MA2B346153A12BC	Carling Technologies	Circuit Breakers Mag Circuit Breaker Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 8 Weeks	¥13,500.6 ¥11,198.5 ¥10,251.7 ¥10,117.2 View Quote	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	15 A	125 VAC, 250 VAC	80 VDC	2 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MB2B246301A26BD MB2-B-24-630-1-A26-B-D Carling Technologies 1: ¥10,947.7 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # MB2-B-24-630-1-A26-B-D Mouser Part # 691-MB2B24631A26BD	Carling Technologies	Circuit Breakers MB2B246301A26BD Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 8 Weeks	¥10,947.7 ¥9,334.8 ¥8,932.9 ¥8,223.6 View ¥7,531 ¥7,305.1 Quote	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	30 A	125 VAC, 250 VAC	80 VDC	2 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 2 A TWO POLE FLAT MB2-B-34-420-1-A24-B-C Carling Technologies 1: ¥10,949.3 Non-Stocked Lead-Time 6 Weeks	Mfr. Part # MB2-B-34-420-1-A24-B-C Mouser Part # 691-MB2B344201A24BC	Carling Technologies	Circuit Breakers 2 A TWO POLE FLAT Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 6 Weeks	¥10,949.3 ¥9,495.9 ¥9,494.3 ¥8,124 View ¥8,054.2 ¥7,871.5 Quote	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	2 A	125 VAC, 250 VAC	80 VDC	2 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers ME1-B-12-430-1 A16-2-J Carling Technologies 1: ¥10,600.5 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # ME1-B-12-430-1 A16-2-J Mouser Part # 691-ME1B124301A162J	Carling Technologies	Circuit Breakers Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 8 Weeks	¥10,600.5 ¥8,795 ¥8,095.7 ¥8,090.7 View ¥7,896.4 ¥7,712 Quote	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	3 A	125 VAC, 250 VAC	80 VDC	1 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers ME1B342101A322C ME1-B-34-210-1-A32-2-C Carling Technologies 1: ¥8,250.2 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # ME1-B-34-210-1-A32-2-C Mouser Part # 691-ME1B34211A322C	Carling Technologies	Circuit Breakers ME1B342101A322C Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 8 Weeks	¥8,250.2 ¥6,845 ¥6,238.7 ¥5,825.1 View ¥5,629.1 ¥5,489.6 Quote	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	100 mA	125 VAC, 250 VAC	80 VDC	1 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers ME1B344501A162E ME1-B-34-450-1-A16-2-E Carling Technologies 1: ¥7,843.2 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # ME1-B-34-450-1-A16-2-E Mouser Part # 691-ME1B344501A162E	Carling Technologies	Circuit Breakers ME1B344501A162E	Datasheet	Non-Stocked Lead-Time 8 Weeks	¥7,843.2 ¥6,506.1 ¥5,963 ¥5,659 View ¥5,492.9 ¥5,363.4 Quote	Min.: 1 Mult.: 1	M
Circuit Breakers ME1B944302A22AC ME1-B-94-430-2-A22-A-C Carling Technologies 1: ¥8,250.2 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # ME1-B-94-430-2-A22-A-C Mouser Part # 691-ME1B944302A22AC	Carling Technologies	Circuit Breakers ME1B944302A22AC Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 10 Weeks	¥8,250.2 ¥6,845 ¥6,202.2 ¥5,725.5 View ¥5,499.6 ¥5,358.4 Quote	Min.: 1 Mult.: 1	M
Circuit Breakers Mag Circuit Breaker ME2-B-24-620-1-A44-2-E Carling Technologies 1: ¥13,618.5 Non-Stocked Lead-Time 5 Weeks	Mfr. Part # ME2-B-24-620-1-A44-2-E Mouser Part # 691-ME2B246201A442E	Carling Technologies	Circuit Breakers Mag Circuit Breaker Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 5 Weeks	¥13,618.5 ¥11,298.1 ¥10,261.7 ¥8,901.3 View ¥8,743.5 Quote	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	20 A	125 VAC, 250 VAC	80 VDC	2 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Mag Circuit Breaker ME2-B-34-610-1-A34-B-C Carling Technologies 1: ¥12,962.4 Non-Stocked Lead-Time 6 Weeks	Mfr. Part # ME2-B-34-610-1-A34-B-C Mouser Part # 691-ME2B346101A34BC	Carling Technologies	Circuit Breakers Mag Circuit Breaker Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 6 Weeks	¥12,962.4 ¥10,751.7 ¥9,793.3 ¥8,471.1 View ¥8,319.9 Quote	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	10 A	125 VAC, 250 VAC	80 VDC	2 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MF1B344151CC32C MF1-B-34-415-1-CC3-2-C Carling Technologies 1: ¥8,213.6 Non-Stocked Lead-Time 9 Weeks	Mfr. Part # MF1-B-34-415-1-CC3-2-C Mouser Part # 691-MF1B344151CC32C	Carling Technologies	Circuit Breakers MF1B344151CC32C Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 9 Weeks	¥8,213.6 ¥6,813.4 ¥6,263.6 ¥5,091 View ¥5,081 Quote	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	1.5 A	125 VAC, 250 VAC	80 VDC	1 Pole	Rocker	- 40 C	+ 85 C	Illuminated
Circuit Breakers MF1B344201BB62C MF1-B-34-420-1-BB6-2-C Carling Technologies 1: ¥8,213.6 Non-Stocked Lead-Time 6 Weeks	Mfr. Part # MF1-B-34-420-1-BB6-2-C Mouser Part # 691-MF1B34421BB62C	Carling Technologies	Circuit Breakers MF1B344201BB62C Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 6 Weeks	¥8,213.6 ¥6,813.4 ¥5,554.4 ¥5,376.7 View ¥4,926.5 ¥4,772.1 Quote	Min.: 1 Mult.: 1	M
Circuit Breakers MF1B644201CC32C MF1-B-64-420-1-CC3-2-C Carling Technologies 1: ¥8,743.5 Non-Stocked Lead-Time 9 Weeks	Mfr. Part # MF1-B-64-420-1-CC3-2-C Mouser Part # 691-MF1B644201CC32C	Carling Technologies	Circuit Breakers MF1B644201CC32C Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 9 Weeks	¥8,743.5 ¥7,253.6 ¥6,654 ¥6,534.4 View ¥6,386.5 Quote	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	2 A	125 VAC, 250 VAC	80 VDC	1 Pole	Rocker	- 40 C	+ 85 C	Illuminated
Circuit Breakers Mag Circuit Breaker MF2-B-64-420-2-CC6-B-E Carling Technologies 1: ¥15,628.3 Non-Stocked Lead-Time 6 Weeks	Mfr. Part # MF2-B-64-420-2-CC6-B-E Mouser Part # 691-MF2B644202CC6BE	Carling Technologies	Circuit Breakers Mag Circuit Breaker Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 6 Weeks	¥15,628.3 ¥13,073.7 ¥12,000.7 ¥11,176.9 View ¥10,892.8 Quote	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	2 A	125 VAC, 250 VAC	80 VDC	2 Pole	Rocker	- 40 C	+ 85 C	Illuminated
Circuit Breakers SEALED TOGGLE CIRCUIT BREAKER MS1-A-03-225-1-1CA-A-0AA Carling Technologies 1: ¥16,239.6 Non-Stocked Lead-Time 6 Weeks	Mfr. Part # MS1-A-03-225-1-1CA-A-0AA Mouser Part # 691-MS1A0322511CAA0A	Carling Technologies	Circuit Breakers SEALED TOGGLE CIRCUIT BREAKER Learn More about Carling Technologies carling ms circuit breakers	Datasheet	Non-Stocked Lead-Time 6 Weeks	¥16,239.6 ¥14,002.2 ¥13,890.9	Min.: 1 Mult.: 1	M	Hydraulic Magnetic Circuit Breakers		250 mA		65 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MS1B1241031CBA0AC MS1-B-12-410-3-1CB-A-0AC Carling Technologies 1: ¥16,724.6 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # MS1-B-12-410-3-1CB-A-0AC Mouser Part # 691-MS1B124131CBAAC	Carling Technologies	Circuit Breakers MS1B1241031CBA0AC Learn More about Carling Technologies carling ms circuit breakers	Datasheet	Non-Stocked Lead-Time 12 Weeks	¥16,724.6 ¥14,422.5 ¥13,626.8 ¥12,658.5 View ¥11,587.1 Quote	Min.: 1 Mult.: 1	M	Hydraulic Magnetic Circuit Breakers		1 A		65 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MS1B1245031CBA0AC MS1-B-12-450-3-1CB-A-0AC Carling Technologies 1: ¥16,724.6 Non-Stocked Lead-Time 9 Weeks	Mfr. Part # MS1-B-12-450-3-1CB-A-0AC Mouser Part # 691-MS1B124531CBAAC	Carling Technologies	Circuit Breakers MS1B1245031CBA0AC Learn More about Carling Technologies carling ms circuit breakers	Datasheet	Non-Stocked Lead-Time 9 Weeks	¥16,724.6 ¥14,422.5 ¥12,693.4 ¥12,173.5 View ¥11,102.1 Quote	Min.: 1 Mult.: 1	M	Hydraulic Magnetic Circuit Breakers		5 A		65 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MS1B1461031BBAA MS1-B-14-610-3-1BB-A-A Carling Technologies 1: ¥19,377.2 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # MS1-B-14-610-3-1BB-A-A Mouser Part # 691-MS1B1461031BBAA	Carling Technologies	Circuit Breakers MS1B1461031BBAA Learn More about Carling Technologies carling ms circuit breakers	Datasheet	Non-Stocked Lead-Time 8 Weeks	¥19,377.2 ¥15,972.2 ¥14,204.9 ¥14,118.5 View Quote	Min.: 1 Mult.: 1	M	Hydraulic Magnetic Circuit Breakers		10 A	240 VAC	65 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MT1B144201A23BJ MT1-B-14-420-1-A23-B-J Carling Technologies 1: ¥10,525.8 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # MT1-B-14-420-1-A23-B-J Mouser Part # 691-MT1B144201A23BJ	Carling Technologies	Circuit Breakers MT1B144201A23BJ Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 11 Weeks	¥10,525.8 ¥7,751.9 ¥6,936.3 ¥6,551	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	2 A	125 VAC, 250 VAC	80 VDC	1 Pole	Push-Pull	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MT1B144301A23BJ MT1-B-14-430-1-A23-B-J Carling Technologies 1: ¥7,821.6 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # MT1-B-14-430-1-A23-B-J Mouser Part # 691-MT1B144301A23BJ	Carling Technologies	Circuit Breakers MT1B144301A23BJ Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 11 Weeks	¥7,821.6 ¥6,678.9 ¥6,502.8 ¥6,100.9 View ¥5,708.9 ¥5,567.7 Quote	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	3 A	125 VAC, 250 VAC	80 VDC	1 Pole	Push-Pull	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MT1B144401A23BJ MT1-B-14-440-1-A23-B-J Carling Technologies 1: ¥7,821.6 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # MT1-B-14-440-1-A23-B-J Mouser Part # 691-MT1B144401A23BJ	Carling Technologies	Circuit Breakers MT1B144401A23BJ Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 11 Weeks	¥7,821.6 ¥6,678.9 ¥6,218.8 ¥5,742.1 View ¥5,707.2 Quote	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	4 A	125 VAC, 250 VAC	80 VDC	1 Pole	Push-Pull	- 40 C	+ 85 C	Non-Illuminated

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1 A
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2 A
2.25 A
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3 A

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M Series Circuit Breakers

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