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M Series Circuit Breakers

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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 Mag Circuit Breaker MD2-B-94-625-1-A36-B-C Carling Technologies 1: $74.62 10Expected 2026/10/02	Mfr. Part No. MD2-B-94-625-1-A36-B-C Mouser Part No 691-MD2B946251A36BC	Carling Technologies	Circuit Breakers Mag Circuit Breaker Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	10Expected 2026/10/02	$74.62 $64.47 $61.13 $57.31 View Quote	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	25 A	125 VAC, 250 VAC	80 VDC	2 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 1pole QC NonIllum Red Act ME1-X-01-144-1-A33-2-C Carling Technologies 1: $33.13 10On Order	Mfr. Part No. ME1-X-01-144-1-A33-2-C Mouser Part No 691-ME1X011441A332C	Carling Technologies	Circuit Breakers 1pole QC NonIllum Red Act Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	10On Order	$33.13 $30.88 $22.90 $22.16	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic		125 VAC, 250 VAC	80 VDC	1 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MM1B3261011BBBC MM1-B-32-610-1-1BB-B-C Carling Technologies 1: $38.08 9On Order	Mfr. Part No. MM1-B-32-610-1-1BB-B-C Mouser Part No 691-MM1B326111BBBC	Carling Technologies	Circuit Breakers MM1B3261011BBBC Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	9On Order	$38.08 $31.59 $29.14 $24.14 View $22.49 $20.99 $19.49	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	10 A	125 VAC, 250 VAC	80 VDC	1 Pole	Paddle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MT1S144503B24BJ MT1-S-14-450-3-B24-B-J Carling Technologies 1: $79.41 7On Order	Mfr. Part No. MT1-S-14-450-3-B24-B-J Mouser Part No 691-MT1S144503B24BJ	Carling Technologies	Circuit Breakers MT1S144503B24BJ Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	7On Order	$79.41 $65.87 $58.17 $58.07 View $53.99 $53.74 Quote	Min.: 1 Mult.: 1	M	Circuit Breakers	Hydraulic Magnetic	5 A	125 VAC, 250 VAC	80 VDC	1 Pole	Push-Pull	- 40 C	+ 85 C	Illuminated
Circuit Breakers MU2B246251B21BC MU2-B-24-625-1-B21-B-C Carling Technologies 1: $74.40 2Expected 2026/11/18	Mfr. Part No. MU2-B-24-625-1-B21-B-C Mouser Part No 691-MU2B246251B21BC	Carling Technologies	Circuit Breakers MU2B246251B21BC Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	2Expected 2026/11/18	$74.40 $61.71 $56.80 $48.61 View $48.47 $47.15 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 MU2B246301B21BC MU2-B-24-630-1-B21-B-C Carling Technologies 1: $75.00 9On Order	Mfr. Part No. MU2-B-24-630-1-B21-B-C Mouser Part No 691-MU2B246301B21BC	Carling Technologies	Circuit Breakers MU2B246301B21BC Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	9On Order	$75.00 $63.48 $49.02	Min.: 1 Mult.: 1	M	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	30 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: $100.20 8On Order	Mfr. Part No. MS-1-B-12-610-2-1BB-A-0A-B Mouser Part No 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	8On Order	$100.20 $86.41 $81.67 $75.86 View $69.44 Quote	Min.: 1 Mult.: 1	M	Hydraulic Magnetic Circuit Breakers		10 A		65 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 1-pole, Push-To-Reset Pushbutton, 20 amp circuit breaker, Push-On 0.250 Tab (Q.C.) terminals, UL 1077 Recognized CSA Accepted MU1-B-34-620-1-A21-B-C Carling Technologies 1: $37.41 Non-Stocked	Mfr. Part No. MU1-B-34-620-1-A21-B-C Mouser Part No 691-MU1B346201A21BC	Carling Technologies	Circuit Breakers 1-pole, Push-To-Reset Pushbutton, 20 amp circuit breaker, Push-On 0.250 Tab (Q.C.) terminals, UL 1077 Recognized CSA Accepted Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked	$37.41 $31.04 $28.81 $26.30 View $25.34 $24.47 $23.88 Quote	Min.: 1 Mult.: 1	M	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	20 A	250 VAC	80 VDC	1 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Mag Circuit Breaker MA2-B-34-610-1-A16-B-E Carling Technologies 1: $74.84 13Stock Available	Mfr. Part No. MA2-B-34-610-1-A16-B-E Mouser Part No 691-MA2B346101A16BE	Carling Technologies	Circuit Breakers Mag Circuit Breaker Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	13Stock Available More Info Available	$74.84 $62.09 $57.27	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 MA2B346201A16BE MA2-B-34-620-1-A16-B-E Carling Technologies 1: $74.84 8Stock Available	Mfr. Part No. MA2-B-34-620-1-A16-B-E Mouser Part No 691-MA2B346201A16BE	Carling Technologies	Circuit Breakers MA2B346201A16BE Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	8Stock Available More Info Available	$74.84 $62.09 $57.27	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 MA2-B-34-610-3-A12-B-C Carling Technologies 1: $81.29 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. MA2-B-34-610-3-A12-B-C Mouser Part No 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	$81.29 $67.43 $57.14 $52.54 View $51.09 $49.65 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: $81.29 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. MA2-B-34-615-3-A12-B-C Mouser Part No 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	$81.29 $67.43 $61.73 $60.34 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: $65.92 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. MB2-B-24-630-1-A26-B-D Mouser Part No 691-MB2B24631A26BD	Carling Technologies	Circuit Breakers MB2B246301A26BD Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 8 Weeks	$65.92 $56.21 $53.79 $49.52 View $45.35 $43.98 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: $65.93 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. MB2-B-34-420-1-A24-B-C Mouser Part No 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	$65.93 $57.18 $53.97 $50.59 View $49.49 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 ME1B342101A322C ME1-B-34-210-1-A32-2-C Carling Technologies 1: $49.68 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ME1-B-34-210-1-A32-2-C Mouser Part No 691-ME1B34211A322C	Carling Technologies	Circuit Breakers ME1B342101A322C Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 8 Weeks	$49.68 $41.22 $37.33 $35.11 View $33.82 $32.97 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: $47.23 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ME1-B-34-450-1-A16-2-E Mouser Part No 691-ME1B344501A162E	Carling Technologies	Circuit Breakers ME1B344501A162E	Datasheet	Non-Stocked Lead-Time 8 Weeks	$47.23 $39.18 $35.90 $33.69 View $32.72 $31.92 Quote	Min.: 1 Mult.: 1	M
Circuit Breakers Mag Circuit Breaker ME2-B-24-620-1-A44-2-E Carling Technologies 1: $82.00 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. ME2-B-24-620-1-A44-2-E Mouser Part No 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	$82.00 $68.04 $62.41 $53.60 View $53.30 $51.85 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: $78.05 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. ME2-B-34-610-1-A34-B-C Mouser Part No 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	$78.05 $64.74 $58.98 $51.01 View $50.10 $48.71 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: $49.46 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. MF1-B-34-415-1-CC3-2-C Mouser Part No 691-MF1B344151CC32C	Carling Technologies	Circuit Breakers MF1B344151CC32C Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 9 Weeks	$49.46 $41.72 $30.66	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: $49.46 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. MF1-B-34-420-1-BB6-2-C Mouser Part No 691-MF1B34421BB62C	Carling Technologies	Circuit Breakers MF1B344201BB62C Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 6 Weeks	$49.46 $41.03 $37.84 $32.17 View $30.16 $28.14	Min.: 1 Mult.: 1	M
Circuit Breakers MF1B644201CC32C MF1-B-64-420-1-CC3-2-C Carling Technologies 1: $52.65 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. MF1-B-64-420-1-CC3-2-C Mouser Part No 691-MF1B644201CC32C	Carling Technologies	Circuit Breakers MF1B644201CC32C Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	Non-Stocked Lead-Time 9 Weeks	$52.65 $43.68 $40.07 $39.34 View $38.46 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: $94.11 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. MF2-B-64-420-2-CC6-B-E Mouser Part No 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	$94.11 $78.72 $72.27 $67.30 View $65.59 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: $97.79 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. MS1-A-03-225-1-1CA-A-0AA Mouser Part No 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	$97.79 $84.32 $83.64	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: $100.70 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. MS1-B-12-410-3-1CB-A-0AC Mouser Part No 691-MS1B124131CBAAC	Carling Technologies	Circuit Breakers MS1B1241031CBA0AC Learn More about Carling Technologies carling ms circuit breakers	Datasheet	Non-Stocked Lead-Time 12 Weeks	$100.70 $86.84 $82.05 $76.22 View $69.77 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: $100.70 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. MS1-B-12-450-3-1CB-A-0AC Mouser Part No 691-MS1B124531CBAAC	Carling Technologies	Circuit Breakers MS1B1245031CBA0AC Learn More about Carling Technologies carling ms circuit breakers	Datasheet	Non-Stocked Lead-Time 9 Weeks	$100.70 $86.84 $76.43 $73.30 View $66.85 Quote	Min.: 1 Mult.: 1	M	Hydraulic Magnetic Circuit Breakers		5 A		65 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated

M Series Circuit Breakers

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20 mA
50 mA
100 mA
200 mA
250 mA
300 mA
350 mA
500 mA
600 mA
750 mA
800 mA
850 mA
1 A
1.25 A
1.5 A
1.75 A
2 A
2.25 A
2.5 A
3 A