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MCBs

MCBs (Miniature Circuit Breakers) provide essential protection for electrical circuits, automatically switching off in the event of overloads or short circuits.

Designed for domestic, commercial, and industrial use, they are a key safety component within consumer units and distribution boards.

Use cases include protecting lighting, socket, and appliance circuits to ensure reliable operation and compliance with the 18th Edition Wiring Regulations.

The benefits include enhanced safety, reduced risk of fire, and quick restoration compared to fuse-based systems.

YESSS stocks MCBs from trusted brands such as Hager, Schneider, FuseBox, and our exclusive ERiS brand ensuring long-lasting quality and compatibility.

Popular technical specifications include current ratings from 1A to 125A, single- and three-phase options, breaking capacities from 6kA to 70kA, and A, B, C, and D trip curve types.

For safe, compliant, and reliable protection, choose MCBs from YESSS Electrical.

Show details for  16A MCB, 1 Pole, Type C, DIN Rail, 6kA

16A MCB, 1 Pole, Type C, DIN Rail, 6kA

MT06C161
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Show details for  Acti9 iC60H MCB, 20A, 3 Pole, Type D

Acti9 iC60H MCB, 20A, 3 Pole, Type D

A9F55320
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Show details for  6A MCB, 1 Pole, Type C, DIN Rail, 6kA

6A MCB, 1 Pole, Type C, DIN Rail, 6kA

MT06C061
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Show details for  32A MCB, 1 Pole, Type B, DIN Rail, 230V, 10kA

32A MCB, 1 Pole, Type B, DIN Rail, 230V, 10kA

EMBH132
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Show details for  6A MCB, 1 Pole, Type B, DIN Rail, 230V, 10kA

6A MCB, 1 Pole, Type B, DIN Rail, 230V, 10kA

EMBH106
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Show details for  Acti9 iC60H MCB, 40A, 3 Pole, Type B

Acti9 iC60H MCB, 40A, 3 Pole, Type B

A9F53340
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Show details for  63A SP 10kA Type B MCB

63A SP 10kA Type B MCB

NBN163A
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Show details for  MK Sentry MCB, 10A, 1 Pole, Type B, 230V, DIN Rail

MK Sentry MCB, 10A, 1 Pole, Type B, 230V, DIN Rail

H5910S
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Show details for  10A Single Pole 10kA MCB - Type B

10A Single Pole 10kA MCB - Type B

SE10B110
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Show details for  Acti9 iC60H MCB, 25A, 1 Pole, Type C

Acti9 iC60H MCB, 25A, 1 Pole, Type C

A9F54125
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Show details for  Acti9 iC60H MCB, 32A, 3 Pole, Type B

Acti9 iC60H MCB, 32A, 3 Pole, Type B

A9F53332
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Show details for  16A MCB, 3 Pole, C Curve, 10kA

16A MCB, 3 Pole, C Curve, 10kA

PSBL316-C
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Show details for  40A Single Pole 6kA Domestic MCB - Type B

40A Single Pole 6kA Domestic MCB - Type B

EBG-1P-B40
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Show details for  MK Sentry MCB, 20A, 1 Pole, Type B, 230V, DIN Rail

MK Sentry MCB, 20A, 1 Pole, Type B, 230V, DIN Rail

H5920S
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Show details for  MK Sentry MCB, 16A, 1 Pole, Type B, 230V, DIN Rail

MK Sentry MCB, 16A, 1 Pole, Type B, 230V, DIN Rail

H5916S
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Show details for  40A MCB, 1 Pole, B Curve, 6kA

40A MCB, 1 Pole, B Curve, 6kA

CU1MCB40B
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Show details for  20A MCB, 1 Pole, Type C, DIN Rail, 6kA

20A MCB, 1 Pole, Type C, DIN Rail, 6kA

MT06C201
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Show details for  10A 6ka Single Pole b Curve MCB

10A 6ka Single Pole b Curve MCB

MCB6B1-10
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Show details for  10A - Triple Pole - B Curve - 10kA/15kA - 3 Module MCB

10A - Triple Pole - B Curve - 10kA/15kA - 3 Module MCB

NBN310A
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Show details for  50A MCB, 1 Pole, Type B, 6kA

50A MCB, 1 Pole, Type B, 6kA

NHXLB50
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Show details for  20A MCB, 1 Pole, B Curve, 6kA

20A MCB, 1 Pole, B Curve, 6kA

CU1MCB20B
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Show details for  50A MCB, 1 Pole, B Curve, 6kA

50A MCB, 1 Pole, B Curve, 6kA

CU1MCB50B
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Show details for  32A MCB, 3 Pole, B Curve, 10kA

32A MCB, 3 Pole, B Curve, 10kA

MT10B323
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Show details for  40A MCB, 1 Pole, Type C, DIN Rail, 6kA

40A MCB, 1 Pole, Type C, DIN Rail, 6kA

MT06C401
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