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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, 3 Pole, D Curve, 10kA

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

PSBL316-D
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Show details for  10A MCB, 1 Pole, B Curve, 10kA

10A MCB, 1 Pole, B Curve, 10kA

PSB10-B
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Show details for  16A MCB, 1 Pole, Type D, DIN Rail, 230V, 10kA

16A MCB, 1 Pole, Type D, DIN Rail, 230V, 10kA

EMDH116
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Show details for  50A MCB, 1 Pole, C Curve, 6kA

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

NHXC50
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Show details for  10A MCB, 1 Pole, C Curve, 6kA

10A MCB, 1 Pole, C Curve, 6kA

NHXLC10
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Show details for  10A MCB, 1 Pole, C Curve, 6kA

10A MCB, 1 Pole, C Curve, 6kA

NHXC10
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Show details for  6A MCB, 1 Pole, Type D, DIN Rail, 230V, 10kA

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

EMDH106
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Show details for  125A TP 18kA MCCB

125A TP 18kA MCCB

HDA125U
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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  16A Triple Pole 10kA MCB - Type C

16A Triple Pole 10kA MCB - Type C

NB1-63CH3P16
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Show details for  32A Single Pole 6kA Domestic MCB - Type B

32A Single Pole 6kA Domestic MCB - Type B

EBG-1P-B32
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Show details for  20A Triple Pole 10kA MCB - Type C

20A Triple Pole 10kA MCB - Type C

NB1-63CH3P20
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Show details for  40A Triple Pole 10kA MCB - Type C

40A Triple Pole 10kA MCB - Type C

NB1-63CH3P40
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Show details for  32A MCB, 1 Pole, B Curve, 6kA

32A MCB, 1 Pole, B Curve, 6kA

NB1-63B1P32
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Show details for  50A MCB, 1 Pole, Type B, 10kA

50A MCB, 1 Pole, Type B, 10kA

NB1-63BH1P50
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Show details for  6A Single Pole 6kA MCB - Type B

6A Single Pole 6kA MCB - Type B

5906S
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Show details for  10A MCB, 1 Pole, C Curve, 6kA

10A MCB, 1 Pole, C Curve, 6kA

NB1-63C1P10
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Show details for  63A MCB, 1 Pole, Type D, DIN Rail, 230V, 10kA

63A MCB, 1 Pole, Type D, DIN Rail, 230V, 10kA

EMDH163
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Show details for  6A MCB, 1 Pole, C Curve, 6kA

6A MCB, 1 Pole, C Curve, 6kA

NHXLC06
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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  20A Single Pole 6kA MCB - Type B

20A Single Pole 6kA MCB - Type B

5920S
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Show details for  10A MCB, 1 Pole, Type D, DIN Rail, 230V, 10kA

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

EMDH110
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Show details for  40A MCB, 1 Pole, Type D, DIN Rail, 230V, 10kA

40A MCB, 1 Pole, Type D, DIN Rail, 230V, 10kA

EMDH140
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Show details for  50A MCB, 1 Pole, B Curve, 10kA

50A MCB, 1 Pole, B Curve, 10kA

PSB50-B
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