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

M Series Circuit Breakers

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

Results: 1,695

Applied Filters:

Series = M

Product

Type

Current Rating

Voltage Rating AC

Voltage Rating DC

Number of Poles

Actuator Type

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; }

Part #

Circuit Breakers 10 A TWO POLE FLAT

MB2-B-34-610-1-A27-B-C
Carling Technologies
30: £34.91
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MB2-B-34-610-1-A27-B-C

Mouser Part No
691-MB2B346101A27BC

Carling Technologies

Circuit Breakers 10 A TWO POLE FLAT

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£34.91

£34.46

£32.34

£32.04

View

Min.: 30
Mult.: 10

Circuit Breaker

Hydraulic Magnetic

10 A

125 VAC, 250 VAC

80 VDC

2 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MB2B346121A262E

MB2-B-34-612-1-A26-2-E
Carling Technologies
1: £39.01
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MB2-B-34-612-1-A26-2-E

Mouser Part No
691-MB2B346121A262E

Carling Technologies

Circuit Breakers MB2B346121A262E

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£39.01

£35.75

£35.25

£33.14

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

12 A

125 VAC, 250 VAC

80 VDC

2 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers Mag Circuit Breaker

MB2-B-34-615-1-A12-B-C
Carling Technologies
1: £37.51
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MB2-B-34-615-1-A12-B-C

Mouser Part No
691-MB2B346151A12BC

Carling Technologies

Circuit Breakers Mag Circuit Breaker

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£37.51

£33.17

£32.85

£30.93

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

15 A

125 VAC, 250 VAC

80 VDC

2 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 15 A TWO POLE FLAT

MB2-B-34-615-1-A24-B-C
Carling Technologies
30: £31.85
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MB2-B-34-615-1-A24-B-C

Mouser Part No
691-MB2B346151A24BC

Carling Technologies

Circuit Breakers 15 A TWO POLE FLAT

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£31.85

Min.: 30
Mult.: 10

Circuit Breaker

Supplementary Protector

15 A

125 VAC, 250 VAC

80 VDC

2 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers Mag Circuit Breaker

MB2-B-34-620-1-A24-2-C
Carling Technologies
1: £35.06
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MB2-B-34-620-1-A24-2-C

Mouser Part No
691-MB2B346201A242C

Carling Technologies

Circuit Breakers Mag Circuit Breaker

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£35.06

£33.03

£32.94

Quote

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

20 A

125 VAC, 250 VAC

80 VDC

2 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 20 A TWO POLE FLAT

MB2-B-34-620-1-A27-B-C
Carling Technologies
30: £31.48
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MB2-B-34-620-1-A27-B-C

Mouser Part No
691-MB2B346201A27BC

Carling Technologies

Circuit Breakers 20 A TWO POLE FLAT

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£31.48

£31.00

£30.57

£30.38

Quote

Min.: 30
Mult.: 10

Circuit Breaker

Hydraulic Magnetic

20 A

125 VAC, 250 VAC

80 VDC

2 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MD1B146303A35BM

MD1-B-14-630-3-A35-B-M
Carling Technologies
1: £32.91
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-14-630-3-A35-B-M

Mouser Part No
691-MD1B14633A35BM

Carling Technologies

Circuit Breakers MD1B146303A35BM

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£32.91

£28.56

£25.35

£25.34

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

30 A

125 VAC, 250 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MD1B246153A45BC

MD1-B-24-615-3-A45-B-C
Carling Technologies
1: £26.74
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-24-615-3-A45-B-C

Mouser Part No
691-MD1B246153A45BC

Carling Technologies

Circuit Breakers MD1B246153A45BC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£26.74

£26.56

£23.03

£20.56

View

Min.: 1
Mult.: 1

125 VAC, 250 VAC

80 VDC

Circuit Breakers MD1B246203A45BC

MD1-B-24-620-3-A45-B-C
Carling Technologies
1: £25.95
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-24-620-3-A45-B-C

Mouser Part No
691-MD1B24623A45BC

Carling Technologies

Circuit Breakers MD1B246203A45BC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£25.95

£25.72

£22.86

£22.65

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

20 A

125 VAC, 250 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MD1B246253A45BC

MD1-B-24-625-3-A45-B-C
Carling Technologies
1: £23.64
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-24-625-3-A45-B-C

Mouser Part No
691-MD1B246253A45BC

Carling Technologies

Circuit Breakers MD1B246253A45BC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£23.64

£22.05

£18.59

£18.35

View

Min.: 1
Mult.: 1

125 VAC, 250 VAC

80 VDC

Circuit Breakers MD1B246302A36BC

MD1-B-24-630-2-A36-B-C
Carling Technologies
1: £24.47
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-24-630-2-A36-B-C

Mouser Part No
691-MD1B24632A36BC

Carling Technologies

Circuit Breakers MD1B246302A36BC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£24.47

£23.80

£21.08

£20.77

View

Min.: 1
Mult.: 1

Circuit Breakers MD1B246303A35BC

MD1-B-24-630-3-A35-B-C
Carling Technologies
1: £26.74
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-24-630-3-A35-B-C

Mouser Part No
691-MD1B24633A35BC

Carling Technologies

Circuit Breakers MD1B246303A35BC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£26.74

£26.56

£23.03

£20.56

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

30 A

125 VAC, 250 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MD1B304101A442C

MD1-B-30-410-1-A44-2-C
Carling Technologies
1: £27.94
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-30-410-1-A44-2-C

Mouser Part No
691-MD1B304101A442C

Carling Technologies

Circuit Breakers MD1B304101A442C

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£27.94

£26.95

£23.20

£22.95

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

1 A

125 VAC, 250 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MD1B324301A132C

MD1-B-32-430-1-A13-2-C
Carling Technologies
1: £22.71
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-32-430-1-A13-2-C

Mouser Part No
691-MD1B324301A132C

Carling Technologies

Circuit Breakers MD1B324301A132C

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£22.71

£20.84

£20.47

£19.89

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

3 A

125 VAC, 250 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers 1 pole, 10A, blk non illuminated

MD1-B-32-610-3-A15-2-C
Carling Technologies
1: £20.99
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-32-610-3-A15-2-C

Mouser Part No
691-MD1B326103A152C

Carling Technologies

Circuit Breakers 1 pole, 10A, blk non illuminated

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£20.99

£20.61

£19.00

£18.85

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

10 A

125 VAC, 250 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MD1B344101A35BC

MD1-B-34-410-1-A35-B-C
Carling Technologies
1: £28.70
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-34-410-1-A35-B-C

Mouser Part No
691-MD1B34411A35BC

Carling Technologies

Circuit Breakers MD1B344101A35BC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£28.70

£28.23

£21.49

£18.90

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

1 A

125 VAC, 250 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MD1B344103A35BC

MD1-B-34-410-3-A35-B-C
Carling Technologies
1: £24.05
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-34-410-3-A35-B-C

Mouser Part No
691-MD1B34413A35BC

Carling Technologies

Circuit Breakers MD1B344103A35BC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£24.05

£23.39

£21.00

£20.69

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

1 A

125 VAC, 250 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MD1B344201A36BC

MD1-B-34-420-1-A36-B-C
Carling Technologies
1: £27.75
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-34-420-1-A36-B-C

Mouser Part No
691-MD1B344201A36BC

Carling Technologies

Circuit Breakers MD1B344201A36BC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£27.75

£26.06

£19.52

£19.33

View

Min.: 1
Mult.: 1

125 VAC, 250 VAC

80 VDC

Circuit Breakers MD1B344301A15BC

MD1-B-34-430-1-A15-B-C
Carling Technologies
1: £27.32
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-34-430-1-A15-B-C

Mouser Part No
691-MD1B344301A15BC

Carling Technologies

Circuit Breakers MD1B344301A15BC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£27.32

£26.52

£19.58

£19.46

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

125 VAC, 250 VAC

80 VDC

Circuit Breakers MD1B344301A35BC

MD1-B-34-430-1-A35-B-C
Carling Technologies
1: £27.32
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-34-430-1-A35-B-C

Mouser Part No
691-MD1B344301A35BC

Carling Technologies

Circuit Breakers MD1B344301A35BC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£27.32

£26.52

£19.82

£19.71

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

125 VAC, 250 VAC

80 VDC

Circuit Breakers MD1B344303A15BC

MD1-B-34-430-3-A15-B-C
Carling Technologies
1: £18.55
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-34-430-3-A15-B-C

Mouser Part No
691-MD1B344303A15BC

Carling Technologies

Circuit Breakers MD1B344303A15BC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£18.55

£17.62

£17.51

£17.43

Quote

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

3 A

125 VAC, 250 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MD1B344303A35BC

MD1-B-34-430-3-A35-B-C
Carling Technologies
1: £24.05
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-34-430-3-A35-B-C

Mouser Part No
691-MD1B344303A35BC

Carling Technologies

Circuit Breakers MD1B344303A35BC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£24.05

£23.39

£21.00

£20.69

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

125 VAC, 250 VAC

80 VDC

Circuit Breakers MD1B344501A37BD

MD1-B-34-450-1-A37-B-D
Carling Technologies
1: £24.37
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-34-450-1-A37-B-D

Mouser Part No
691-MD1B344501A37BD

Carling Technologies

Circuit Breakers MD1B344501A37BD

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£24.37

£21.67

£17.24

£17.09

View

Min.: 1
Mult.: 1

125 VAC, 250 VAC

80 VDC

Circuit Breakers MD1B344503A35BC

MD1-B-34-450-3-A35-B-C
Carling Technologies
1: £27.07
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-34-450-3-A35-B-C

Mouser Part No
691-MD1B344503A35BC

Carling Technologies

Circuit Breakers MD1B344503A35BC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£27.07

£24.42

£22.86

£22.65

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

5 A

125 VAC, 250 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MD1B344501A15BC

MD1-B-34-450-1-A15-B-C
Carling Technologies
1: £21.70
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MD1-B-34-450-1-A15-B-C

Mouser Part No
691-MD1B34451A15BC

Carling Technologies

Circuit Breakers MD1B344501A15BC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

£21.70

£20.20

£18.46

£18.42

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

125 VAC, 250 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

M Series Circuit Breakers

Customer Service Office

Company

Resources

Support

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