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High-Performance MCB Devices

Our extensive collection of MCB devices are a vital part of any electrical system. These Miniature Circuit Breakers automatically interrupt the power supply when an overcurrent or short circuit is detected in a circuit, preventing damage to wiring and connected appliances. Unlike traditional fuses, an MCB can be easily reset after a trip, which makes them an essential component for modern consumer units.

We offer MCBs in various ampere ratings and with different tripping characteristics to suit diverse applications. For example, "B curve" MCBs are ideal for residential use, protecting against moderate overloads, while "C curve" MCBs are more tolerant to higher inrush currents, making them suitable for commercial and industrial settings with appliances like motors or fluorescent lighting. All our MCBs are designed to comply with the latest safety standards and feature easy DIN rail mounting. Whether you need them for a new installation, to replace an old fuse box, or to add to an existing panel, selecting the correct MCB ensures your electrical system continues to run smoothly and safely.

  • Original price £18.93 - Original price £18.93
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    £15.78 Exc VAT
    £18.93 Inc VAT
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    Current price £18.93 Inc VAT
    £18.93 - £18.93 Exc VAT
    Current price £18.93 Exc VAT
    LIVE Electrical

    LIVE Electrical DCM410C 4 Pole 10A C Curve 6kA DC MCB

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    Original price £18.93 - Original price £18.93
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    £15.78 Exc VAT
    £18.93 Inc VAT
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    £18.93 - £18.93 Exc VAT
    Current price £18.93 Exc VAT
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    £15.78 Exc VAT
    £18.93 Inc VAT
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    £18.93 - £18.93 Exc VAT
    Current price £18.93 Exc VAT
    LIVE Electrical

    LIVE Electrical DCM416C 4 Pole 16A C Curve 6kA DC MCB

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    Original price £18.93 - Original price £18.93
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    £15.78 Exc VAT
    £18.93 Inc VAT
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    Current price £18.93 Exc VAT
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    £18.93 - £18.93 Exc VAT
    Current price £18.93 Exc VAT
    LIVE Electrical

    LIVE Electrical DCM420C 4 Pole 20A C Curve 6kA DC MCB

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    Original price £18.93 - Original price £18.93
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    Current price £18.93 Exc VAT
    LIVE Electrical

    LIVE Electrical DCM425C 4 Pole 25A C Curve 6kA DC MCB

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    Original price £18.93 - Original price £18.93
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    Current price £18.93 Exc VAT
    LIVE Electrical

    LIVE Electrical DCM432C 4 Pole 32A C Curve 6kA DC MCB

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    Original price £18.93 - Original price £18.93
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    Current price £18.93 Exc VAT
    LIVE Electrical

    LIVE Electrical DCM440C 4 Pole 40A C Curve 6kA DC MCB

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    Original price £18.93 - Original price £18.93
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    Current price £18.93 Exc VAT
    LIVE Electrical

    LIVE Electrical DCM450C 4 Pole 50A C Curve 6kA DC MCB

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    Original price £18.93 - Original price £18.93
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    LIVE Electrical

    LIVE Electrical DCM463C 4 Pole 63A C Curve 6kA DC MCB

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    Original price £18.93 - Original price £18.93
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  • Original price £2.22 - Original price £2.22
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    FuseBox

    FuseBox MT06B021 2A Single Pole 1 Module B Curve 6kA MCB

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    FuseBox MT06B021 2A Single Pole 1 Module B Curve 6kA MCB Circuit Protection – MCBs Devices A range of thermo-magnetic, current limiting MCBs avai...

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    Original price £2.22 - Original price £2.22
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    FuseBox

    FuseBox MT06B041 4A Single Pole 1 Module B Curve 6kA MCB

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    FuseBox MT06B041 4A Single Pole 1 Module B Curve 6kA MCB Circuit Protection – MCBs Devices A range of thermo-magnetic, current limiting MCBs avai...

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    Original price £2.22 - Original price £2.22
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  • Original price £3.71 - Original price £3.71
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    LIVE Electrical

    LIVE Electrical CH1100C Single Pole 100A C Curve 6kA MCB

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    LIVE Electrical CH1100C Single Pole 100A C Curve 6kA MCB Product Description 6kA Miniature Circuit Breakers (MCB) Specification: Rated current In ...

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    Original price £3.71 - Original price £3.71
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  • Original price £7.08 - Original price £7.08
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    LIVE Electrical

    LIVE Electrical CH280C Double Pole 80A C Curve 6kA MCB

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    LIVE Electrical CH280C Double Pole 80A C Curve 6kA MCB Product Description 6kA Miniature Circuit Breakers (MCB) Specification: Rated current In (A...

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    Original price £7.08 - Original price £7.08
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  • Original price £3.53 - Original price £3.53
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    LIVE Electrical

    LIVE Electrical CH180C Single Pole 80A C Curve 6kA MCB

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    LIVE Electrical CH180C Single Pole 80A C Curve 6kA MCB Product Description 6kA Miniature Circuit Breakers (MCB) Specification: Rated current In (A...

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    Original price £3.53 - Original price £3.53
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  • Original price £8.45 - Original price £8.45
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    LIVE Electrical

    LIVE Electrical CH2100C Double Pole 100A C Curve 6kA MCB

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    LIVE Electrical CH2100C Double Pole 100A C Curve 6kA MCB Product Description 6kA Miniature Circuit Breakers (MCB) Specification: Rated current In ...

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    Original price £8.45 - Original price £8.45
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  • Original price £11.67 - Original price £11.67
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    LIVE Electrical

    LIVE Electrical CH380C Triple Pole 80A C Curve 6kA MCB

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    LIVE Electrical CH380C Triple Pole 80A C Curve 6kA MCB Product Description 6kA Miniature Circuit Breakers (MCB) Specification: Rated current In (A...

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    Original price £11.67 - Original price £11.67
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    £9.73 Exc VAT
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  • Original price £12.37 - Original price £12.37
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    £10.31 Exc VAT
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    LIVE Electrical

    LIVE Electrical CH3100C Triple Pole 100A C Curve 6kA MCB

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    LIVE Electrical CH3100C Triple Pole 100A C Curve 6kA MCB Product Description 6kA Miniature Circuit Breakers (MCB) Specification: Rated current In ...

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    Original price £12.37 - Original price £12.37
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    £10.31 Exc VAT
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  • Original price £2.58 - Original price £2.58
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    BG Electrical

    BG CUMB63 63A Single Pole 1 Module 6kA B Curve MCB

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    BG Fortress CUMB63 63A Single Pole 1 Module 6kA B Curve MCB The BG Fortress CUMB63 63A Single Pole B Curve MCB is a bidirectional miniature circui...

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    Original price £2.58 - Original price £2.58
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    LIVE Electrical

    LIVE Electrical CN110B 1P+N 10A B Curve 6kA MCB

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    LIVE Electrical CN110B 10A Type B 6kA 1P+N Miniature Circuit Breaker (MCB) The LIVE Electrical CN110B 10A Type B Miniature Circuit Breaker (MCB) p...

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    LIVE Electrical

    LIVE Electrical CN106B 1P+N 6A B Curve 6kA MCB

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    LIVE Electrical CN106B 6A Type B 6kA 1P+N Miniature Circuit Breaker (MCB) The LIVE Electrical CN106B 6A Type B Miniature Circuit Breaker (MCB) is ...

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    LIVE Electrical

    LIVE Electrical CN116B 1P+N 16A B Curve 6kA MCB

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    LIVE Electrical CN116B 16A Type B 6kA 1P+N Miniature Circuit Breaker (MCB) The LIVE Electrical CN116B 16A Type B Miniature Circuit Breaker (MCB) p...

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    LIVE Electrical

    LIVE Electrical CN120B 1P+N 20A B Curve 6kA MCB

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    LIVE Electrical CN120B 20A Type B 6kA 1P+N Miniature Circuit Breaker (MCB) The LIVE Electrical CN120B 20A Type B Miniature Circuit Breaker (MCB) i...

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    LIVE Electrical

    LIVE Electrical CN140B 1P+N 40A B Curve 6kA MCB

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    LIVE Electrical CN140B 40A Type B 6kA 1P+N Miniature Circuit Breaker (MCB) The LIVE Electrical CN140B 40A Type B Miniature Circuit Breaker (MCB) p...

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    LIVE Electrical

    LIVE Electrical CN106C 1P+N 6A C Curve 6kA MCB

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    LIVE Electrical CN106C 6A Type C 6kA 1P+N Miniature Circuit Breaker (MCB) The LIVE Electrical CN106C 6A Type C Miniature Circuit Breaker (MCB) pro...

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    LIVE Electrical

    LIVE Electrical CN132B 1P+N 32A B Curve 6kA MCB

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    LIVE Electrical CN132B 32A Type B 6kA 1P+N Miniature Circuit Breaker (MCB) The LIVE Electrical CN132B 32A Type B Miniature Circuit Breaker (MCB) i...

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    LIVE Electrical

    LIVE Electrical CN116C 1P+N 16A C Curve 6kA MCB

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    LIVE Electrical CN116C 16A Type C 6kA 1P+N Miniature Circuit Breaker (MCB) The LIVE Electrical CN116C 16A Type C Miniature Circuit Breaker (MCB) i...

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    Original price £7.19 - Original price £7.19
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    LIVE Electrical

    LIVE Electrical CN110C 1P+N 10A C Curve 6kA MCB

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    LIVE Electrical CN110C 10A Type C 6kA 1P+N Miniature Circuit Breaker (MCB) The LIVE Electrical CN110C 10A Type C Miniature Circuit Breaker (MCB) p...

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    Original price £7.19 - Original price £7.19
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    LIVE Electrical

    LIVE Electrical CN120C 1P+N 20A C Curve 6kA MCB

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    LIVE Electrical CN120C 20A Type C 6kA 1P+N Miniature Circuit Breaker (MCB) The LIVE Electrical CN120C 20A Type C Miniature Circuit Breaker (MCB) i...

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    Original price £7.19 - Original price £7.19
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    £5.99 Exc VAT
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    Current price £7.19 Exc VAT
    LIVE Electrical

    LIVE Electrical CN140C 1P+N 40A C Curve 6kA MCB

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    LIVE Electrical CN140C 40A Type C 6kA 1P+N Miniature Circuit Breaker (MCB) The LIVE Electrical CN140C 40A Type C Miniature Circuit Breaker (MCB) p...

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    Original price £7.19 - Original price £7.19
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    LIVE Electrical

    LIVE Electrical CN132C 1P+N 32A C Curve 6kA MCB

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    LIVE Electrical CN132C 32A Type C 6kA 1P+N Miniature Circuit Breaker (MCB) The LIVE Electrical CN132C 32A Type C Miniature Circuit Breaker (MCB) p...

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    Current price £7.19 Exc VAT
  • Original price £7.19 - Original price £7.19
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  • Original price £5.45 - Original price £5.45
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    Original price
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