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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  125A MCB, 3 Pole, Type B, DIN Rail, 400V, 20kA

125A MCB, 3 Pole, Type B, DIN Rail, 400V, 20kA

EMBS3125
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Show details for  Acti9 iC60H MCB, 32A, 4 Pole, Type C

Acti9 iC60H MCB, 32A, 4 Pole, Type C

A9F54432
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Show details for  100A - Triple Pole - D Curve - 15kA - 4.5 Module MCB

100A - Triple Pole - D Curve - 15kA - 4.5 Module MCB

HMD390T
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Show details for  63A SP 18kA MCCB

63A SP 18kA MCCB

HDA061Z
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Show details for  Vigi iC60 MCB, 63A, 3 Pole + Neutral, Type A

Vigi iC60 MCB, 63A, 3 Pole + Neutral, Type A

A9V02763
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Show details for  40A 30ma - 4 Pole - Type A - DC Sensitive RCCB - 4 Module

40A 30ma - 4 Pole - Type A - DC Sensitive RCCB - 4 Module

CDA440U
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Show details for  Acti9 C120H MCB, 80A, 3 Pole, Type C

Acti9 C120H MCB, 80A, 3 Pole, Type C

A9N18468
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Show details for  63A TP 18kA MCCB

63A TP 18kA MCCB

HDA063U
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Show details for  63A 30ma - 4 Pole - Type A - DC Sensitive RCCB - 4 Module

63A 30ma - 4 Pole - Type A - DC Sensitive RCCB - 4 Module

CDA463U
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Show details for  125A TP 18kA MCCB

125A TP 18kA MCCB

HDA125U
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