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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.

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    FuseBox

    FuseBox MT06C401 40A Single Pole 1 Module C Curve 6kA MCB

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    IN STOCK

    FuseBox 40A Single Pole 1 Module C Curve 6kA MCB Circuit Protection – MCBs Devices A range of thermo-magnetic, current limiting MCBs available w...

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    £2.09 - £2.09
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    £1.74 Exc VAT
    FuseBox

    FuseBox MT06C201 20A Single Pole 1 Module C Curve 6kA MCB

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    IN STOCK

    FuseBox 20A Single Pole 1 Module C Curve 6kA MCB Circuit Protection – MCBs Devices A range of thermo-magnetic, current limiting MCBs available w...

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    £2.09 - £2.09
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    FuseBox

    FuseBox MT06C161 16A Single Pole 1 Module C Curve 6kA MCB

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    IN STOCK

    FuseBox 16A Single Pole 1 Module C Curve 6kA MCB Circuit Protection – MCBs Devices A range of thermo-magnetic, current limiting MCBs available w...

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    £2.09 - £2.09
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    FuseBox

    FuseBox MT06C321 32A Single Pole 1 Module C Curve 6kA MCB

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    IN STOCK

    FuseBox 32A Single Pole 1 Module C Curve 6kA MCB Circuit Protection – MCBs Devices A range of thermo-magnetic, current limiting MCBs available w...

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    FuseBox

    FuseBox MT06C061 6A Single Pole 1 Module C Curve 6kA MCB

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    IN STOCK

    FuseBox 6A Single Pole 1 Module C Curve 6kA MCB Circuit Protection – MCBs Devices A range of thermo-magnetic, current limiting MCBs available wi...

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    FuseBox

    FuseBox MT06C631 63A Single Pole 1 Module C Curve 6kA MCB

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    IN STOCK

    FuseBox 63A Single Pole 1 Module C Curve 6kA MCB Circuit Protection – MCBs Devices A range of thermo-magnetic, current limiting MCBs available w...

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    FuseBox

    FuseBox MT06C251 25A Single Pole 1 Module C Curve 6kA MCB

    Availability:
    IN STOCK

    FuseBox 25A Single Pole 1 Module C Curve 6kA MCB Circuit Protection – MCBs Devices A range of thermo-magnetic, current limiting MCBs available w...

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    £2.09 - £2.09
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    FuseBox

    FuseBox MT06C101 10A Single Pole 1 Module C Curve 6kA MCB

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    IN STOCK

    FuseBox 10A Single Pole 1 Module C Curve 6kA MCB Circuit Protection – MCBs Devices A range of thermo-magnetic, current limiting MCBs available w...

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  • BG CUMC20 20A Single Pole 1 Module 6kA C Curve MCB - westbasedirect.com
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    BG Electrical

    BG CUMC20 20A Single Pole 1 Module 6kA C Curve MCB

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    IN STOCK

    BG 20A Single Pole 1 Module 6kA C Curve MCB Features of the Consumer Units range Lockable cover option available Easy access of cables via knoc...

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  • BG CUMC40 40A Single Pole 1 Module 6kA C Curve MCB - westbasedirect.com
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    BG Electrical

    BG CUMC40 40A Single Pole 1 Module 6kA C Curve MCB

    Availability:
    IN STOCK

    BG 40A Single Pole 1 Module 6kA C Curve MCB Features of the Consumer Units range Lockable cover option available Easy access of cables via knoc...

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    £2.31 - £2.31
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    Wylex

    Wylex NHXLC25 25A Single Pole Type C Curve 6kA MCB

    Availability:
    IN STOCK

    Wylex 25A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 25A C curve Energy limiting Class 3 Quick release DIN clip No miss busbar...

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    FuseBox

    FuseBox MT06C501 50A Single Pole 1 Module C Curve 6kA MCB

    Availability:
    IN STOCK

    FuseBox 50A Single Pole 1 Module C Curve 6kA MCB Circuit Protection – MCBs Devices A range of thermo-magnetic, current limiting MCBs available w...

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    Wylex

    Wylex NHXC16 16A Single Pole Type C Curve 6kA MCB

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    IN STOCK

    Wylex 16A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 16A C curve Energy limiting Class 3 Balcony terminal position Data Sheet...

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    Wylex

    Wylex NHXC10 10A Single Pole Type C Curve 6kA MCB

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    IN STOCK

    Wylex 10A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 10A C curve Energy limiting Class 3 Balcony terminal position Data Shee...

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    £4.30 - £4.30
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  • BG CUMC50 50A Single Pole 1 Module 6kA C Curve MCB - westbasedirect.com
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    BG Electrical

    BG CUMC50 50A Single Pole 1 Module 6kA C Curve MCB

    Availability:
    IN STOCK

    BG 50A Single Pole 1 Module 6kA C Curve MCB Features of the Consumer Units range Lockable cover option available Easy access of cables via knoc...

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    £2.31 - £2.31
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    £1.93 Exc VAT
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  • BG CUMC32 32A Single Pole 1 Module 6kA C Curve MCB - westbasedirect.com
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    BG Electrical

    BG CUMC32 32A Single Pole 1 Module 6kA C Curve MCB

    Availability:
    IN STOCK

    BG 32A Single Pole 1 Module 6kA C Curve MCB Features of the Consumer Units range Lockable cover option available Easy access of cables via knoc...

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    £2.31 - £2.31
    £2.31 Inc VAT
    £1.93 Exc VAT
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    £1.93 Inc VAT
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    £1.93 Exc VAT
  • BG CUMC16 16A Single Pole 1 Module 6kA C Curve MCB - westbasedirect.com
    £2.31 - £2.31
    £2.31 Inc VAT
    £1.93 Exc VAT
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    £1.93 Exc VAT
    BG Electrical

    BG CUMC16 16A Single Pole 1 Module 6kA C Curve MCB

    Availability:
    IN STOCK

    BG 16A Single Pole 1 Module 6kA C Curve MCB Features of the Consumer Units range Lockable cover option available Easy access of cables via knoc...

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    £2.31 - £2.31
    £2.31 Inc VAT
    £1.93 Exc VAT
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    £1.93 Inc VAT
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    £1.93 Exc VAT
  • BG CUMC10 10A Single Pole 1 Module 6kA C Curve MCB - westbasedirect.com
    £2.31 - £2.31
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    £1.93 Exc VAT
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    £1.93 Exc VAT
    BG Electrical

    BG CUMC10 10A Single Pole 1 Module 6kA C Curve MCB

    Availability:
    IN STOCK

    BG 10A Single Pole 1 Module 6kA C Curve MCB Features of the Consumer Units range Lockable cover option available Easy access of cables via knoc...

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    £2.31 - £2.31
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    £1.93 Exc VAT
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    Click Elucian

    Click Elucian CU1MCB6C 1 Pole 6kA C Curve 6A MCB

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    Click Elucian CU1MCB6C 1 Pole 6kA C Curve 6A MCB This item is 1P 6kA C Curve 6A MCB Features 6A 6kA C Curve Single Pole Large Terminal Capacit...

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    Click Elucian

    Click Elucian CU1MCB63C 1 Pole 6kA C Curve 63A MCB

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    Click Elucian CU1MCB63C 1 Pole 6kA C Curve 63A MCB This item is 1P 6kA C Curve 63A MCB Features 63A 6kA C Curve Single Pole Large Terminal Cap...

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    £2.16 - £2.16
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    Click Elucian

    Click Elucian CU1MCB50C 1 Pole 6kA C Curve 50A MCB

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    Dispatch in 1-2 Days

    Click Elucian CU1MCB50C 1 Pole 6kA C Curve 50A MCB This item is 1P 6kA C Curve 50A MCB Features 50A 6kA C Curve Single Pole Large Terminal Cap...

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    £1.80 Exc VAT
    Click Elucian

    Click Elucian CU1MCB40C 1 Pole 6kA C Curve 40A MCB

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    Dispatch in 1-2 Days

    Click Elucian CU1MCB40C 1 Pole 6kA C Curve 40A MCB This item is 1P 6kA C Curve 40A MCB Features 40A 6kA C Curve Single Pole Large Terminal Cap...

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    £2.16 - £2.16
    £2.16 Inc VAT
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    Click Elucian

    Click Elucian CU1MCB32C 1 Pole 6kA C Curve 32A MCB

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    Dispatch in 1-2 Days

    Click Elucian CU1MCB32C 1 Pole 6kA C Curve 32A MCB This item is 1P 6kA C Curve 32A MCB Features 32A 6kA C Curve Single Pole Large Terminal Cap...

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    £2.16 - £2.16
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    Click Elucian

    Click Elucian CU1MCB25C 1 Pole 6kA C Curve 25A MCB

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    Click Elucian CU1MCB25C 1 Pole 6kA C Curve 25A MCB This item is 1P 6kA C Curve 25A MCB Features 25A 6kA C Curve Single Pole Large Terminal Cap...

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    £2.16 - £2.16
    £2.16 Inc VAT
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    Click Elucian

    Click Elucian CU1MCB20C 1 Pole 6kA C Curve 20A MCB

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    Click Elucian CU1MCB20C 1 Pole 6kA C Curve 20A MCB This item is 1P 6kA C Curve 20A MCB Features 20A 6kA C Curve Single Pole Large Terminal Cap...

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    £2.16 - £2.16
    £2.16 Inc VAT
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    £1.80 Exc VAT
    Click Elucian

    Click Elucian CU1MCB16C 1 Pole 6kA C Curve 16A MCB

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    Click Elucian CU1MCB16C 1 Pole 6kA C Curve 16A MCB This item is 1P 6kA C Curve 16A MCB Features 16A 6kA C Curve Single Pole Large Terminal Cap...

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    £2.16 - £2.16
    £2.16 Inc VAT
    £1.80 Exc VAT
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    £1.80 Exc VAT
    Click Elucian

    Click Elucian CU1MCB10C 1 Pole 6kA C Curve 10A MCB

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    Click Elucian CU1MCB10C 1 Pole 6kA C Curve 10A MCB This item is 1P 6kA C Curve 10A MCB Features 10A 6kA C Curve Single Pole Large Terminal Cap...

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    £2.16 - £2.16
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    £2.75
    £2.75 - £2.75
    £2.75
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    £2.09 Exc VAT
    Wylex

    Wylex NHXLC50 50A Single Pole Type C Curve 6kA MCB

    Availability:
    IN STOCK

    Wylex 50A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 50A C curve Energy limiting Class 3 Quick release DIN clip No miss busbar...

    View full details
    £2.75
    £2.75 - £2.75
    £2.75
    £2.51 Inc VAT
    £2.09 Exc VAT
    £2.51 - £2.51
    £2.09 Inc VAT
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    £2.75
    £2.75 - £2.75
    £2.75
    £2.51 Inc VAT
    £2.09 Exc VAT
    £2.51 - £2.51
    £2.09 Inc VAT
    £2.09 - £2.09 Exc VAT
    £2.09 Exc VAT
    Wylex

    Wylex NHXLC40 40A Single Pole Type C Curve 6kA MCB

    Availability:
    IN STOCK

    Wylex 40A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 32A C curve Energy limiting Class 3 Quick release DIN clip No miss busbar...

    View full details
    £2.75
    £2.75 - £2.75
    £2.75
    £2.51 Inc VAT
    £2.09 Exc VAT
    £2.51 - £2.51
    £2.09 Inc VAT
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    £2.75
    £2.75 - £2.75
    £2.75
    £2.51 Inc VAT
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    £2.51 - £2.51
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    £2.09 Exc VAT
    Wylex

    Wylex NHXLC32 32A Single Pole Type C Curve 6kA MCB

    Availability:
    Dispatch in 2-5 Days

    Wylex 32A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 32A C curve Energy limiting Class 3 Quick release DIN clip No miss busbar...

    View full details
    £2.75
    £2.75 - £2.75
    £2.75
    £2.51 Inc VAT
    £2.09 Exc VAT
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    £2.75
    £2.75 - £2.75
    £2.75
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    £2.09 Exc VAT
    Wylex

    Wylex NHXLC20 20A Single Pole Type C Curve 6kA MCB

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    Wylex 20A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 20A C curve Energy limiting Class 3 Quick release DIN clip No miss busbar...

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    £2.75
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    £2.09 Inc VAT
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    £2.09 Exc VAT
    Wylex

    Wylex NHXLC16 16A Single Pole Type C Curve 6kA MCB

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    Wylex 16A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 16A C curve Energy limiting Class 3 Quick release DIN clip No miss busbar...

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    £2.75
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    £2.75
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    £2.75
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    £2.09 Exc VAT
    £2.51 - £2.51
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    £2.09 Exc VAT
    Wylex

    Wylex NHXLC10 10A Single Pole Type C Curve 6kA MCB

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    Wylex 10A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 10A C curve Energy limiting Class 3 Quick release DIN clip No miss busbar...

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    £2.75
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    £2.75
    £2.51 Inc VAT
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    £2.09 Exc VAT
  • Main Image
    £2.75
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    £2.75
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    £2.51 - £2.51
    £2.09 Inc VAT
    £2.09 - £2.09 Exc VAT
    £2.09 Exc VAT
    Wylex

    Wylex NHXLC06 6A Single Pole Type C Curve 6kA MCB

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    Wylex 6A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 6A C curve Energy limiting Class 3 Quick release DIN clip No miss busbar c...

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    £2.75
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    £2.75
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    £2.09 Exc VAT
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    £2.75
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    £2.75
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    £2.51 - £2.51
    £2.09 Inc VAT
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    £2.09 Exc VAT
    Wylex

    Wylex NHXLC03 3A Single Pole Type C Curve 6kA MCB

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    Wylex 3A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 3A C curve Energy limiting Class 3 Quick release DIN clip No miss busbar c...

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    £2.75
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    £2.75
    £2.51 Inc VAT
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    £2.09 Inc VAT
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    £2.09 Exc VAT
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    £4.30 - £4.30
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    £3.58 Exc VAT
    Wylex

    Wylex NHXC50 50A Single Pole Type C Curve 6kA MCB

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    Wylex 50A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 50A C curve Energy limiting Class 3 Balcony terminal position Data Sheet...

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    £3.58 Exc VAT
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    £3.58 Exc VAT
    Wylex

    Wylex NHXC40 40A Single Pole Type C Curve 6kA MCB

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    Wylex 40A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 40A C curve Energy limiting Class 3 Balcony terminal position Data Sheet...

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    £3.58 Exc VAT
    Wylex

    Wylex NHXC32 32A Single Pole Type C Curve 6kA MCB

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    Wylex 32A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 32A C curve Energy limiting Class 3 Balcony terminal position Data Sheet...

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    £3.58 Exc VAT
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    £3.58 Inc VAT
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    £3.58 Exc VAT
    Wylex

    Wylex NHXC20 20A Single Pole Type C Curve 6kA MCB

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    Wylex 20A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 20A C curve Energy limiting Class 3 Balcony terminal position Data Sheet...

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    £3.58 Exc VAT
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    £3.58 Inc VAT
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    £3.58 Exc VAT
    Wylex

    Wylex NHXC06 6A Single Pole Type C Curve 6kA MCB

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    Wylex 6A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 6A C curve Energy limiting Class 3 Balcony terminal position Data Sheet: C...

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    £3.58 Exc VAT
    Wylex

    Wylex NHXC03 3A Single Pole Type C Curve 6kA MCB

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    Wylex 3A Single Pole Type C Curve 6kA MCB Features Single pole MCB, 3A C curve Energy limiting Class 3 Balcony terminal position Data Sheet: C...

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  • BG CUMC6 6A Single Pole 1 Module 6kA C Curve MCB - westbasedirect.com
    £2.31 - £2.31
    £2.31 Inc VAT
    £1.93 Exc VAT
    £2.31 - £2.31
    £1.93 Inc VAT
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    £1.93 Exc VAT
    BG Electrical

    BG CUMC6 6A Single Pole 1 Module 6kA C Curve MCB

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    BG 6A Single Pole 1 Module 6kA C Curve MCB Features of the Consumer Units range Lockable cover option available Easy access of cables via knock...

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    £1.93 Exc VAT
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    £4.20
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    £2.15 Exc VAT
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    £2.15 Exc VAT

    Crabtree 61/C06 Starbreaker 6A Single Pole C Curve 6kA MCB

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    Crabtree 61/C06 Starbreaker 6A Single Pole C Curve 6kA MCB Product Description 6A SP Type C 6kA MCB Features Single pole MCB, 6A C curve Energy l...

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    £4.20
    £2.58 Inc VAT
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    £4.20
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    £2.15 Inc VAT
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    £2.15 Exc VAT

    Crabtree 61/C10 Starbreaker 10A Single Pole C Curve 6kA MCB

    Crabtree
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    Crabtree 61/C10 Starbreaker 10A Single Pole C Curve 6kA MCB Product Description 10A SP Type C 6kA MCB Features Single pole MCB, 10A C curve Energ...

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    £4.20
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    £4.20
    £2.58 Inc VAT
    £2.15 Exc VAT
    £2.58 - £2.58
    £2.15 Inc VAT
    £2.15 - £2.15 Exc VAT
    £2.15 Exc VAT
  • Main Image
    £4.20
    £4.20 - £4.20
    £4.20
    £2.58 Inc VAT
    £2.15 Exc VAT
    £2.58 - £2.58
    £2.15 Inc VAT
    £2.15 - £2.15 Exc VAT
    £2.15 Exc VAT

    Crabtree 61/C16 Starbreaker 20A Single Pole C Curve 6kA MCB

    Crabtree
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    Crabtree 61/C16 Starbreaker 20A Single Pole C Curve 6kA MCB Product Description 20A SP Type C 6kA MCB Features Single pole MCB, 16A C curve Energ...

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    £4.20
    £4.20 - £4.20
    £4.20
    £2.58 Inc VAT
    £2.15 Exc VAT
    £2.58 - £2.58
    £2.15 Inc VAT
    £2.15 - £2.15 Exc VAT
    £2.15 Exc VAT
  • Main Image
    £4.20
    £4.20 - £4.20
    £4.20
    £2.58 Inc VAT
    £2.15 Exc VAT
    £2.58 - £2.58
    £2.15 Inc VAT
    £2.15 - £2.15 Exc VAT
    £2.15 Exc VAT

    Crabtree 61/C20 Starbreaker 16A Single Pole C Curve 6kA MCB

    Crabtree
    Availability:
    Dispatch in 2-5 Days

    Crabtree 61/C20 Starbreaker 16A Single Pole C Curve 6kA MCB Product Description 16A SP Type C 6kA MCB Features Single pole MCB, 20A C curve Energ...

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    £4.20
    £4.20 - £4.20
    £4.20
    £2.58 Inc VAT
    £2.15 Exc VAT
    £2.58 - £2.58
    £2.15 Inc VAT
    £2.15 - £2.15 Exc VAT
    £2.15 Exc VAT
  • Main Image
    £4.20
    £4.20 - £4.20
    £4.20
    £2.58 Inc VAT
    £2.15 Exc VAT
    £2.58 - £2.58
    £2.15 Inc VAT
    £2.15 - £2.15 Exc VAT
    £2.15 Exc VAT

    Crabtree 61/C32 Starbreaker 32A Single Pole C Curve 6kA MCB

    Crabtree
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    Crabtree 61/C32 Starbreaker 32A Single Pole C Curve 6kA MCB Product Description 32A SP Type C 6kA MCB Features Single pole MCB, 32A C curve Energ...

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    £4.20
    £4.20 - £4.20
    £4.20
    £2.58 Inc VAT
    £2.15 Exc VAT
    £2.58 - £2.58
    £2.15 Inc VAT
    £2.15 - £2.15 Exc VAT
    £2.15 Exc VAT
  • Main Image
    £4.20
    £4.20 - £4.20
    £4.20
    £2.58 Inc VAT
    £2.15 Exc VAT
    £2.58 - £2.58
    £2.15 Inc VAT
    £2.15 - £2.15 Exc VAT
    £2.15 Exc VAT

    Crabtree 61/C40 Starbreaker 40A Single Pole C Curve 6kA MCB

    Crabtree
    Availability:
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    Crabtree 61/C40 Starbreaker 40A Single Pole C Curve 6kA MCB Product Description 40A SP Type C 6kA MCB Features Single pole MCB, 40A C curve Energ...

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    £4.20
    £4.20 - £4.20
    £4.20
    £2.58 Inc VAT
    £2.15 Exc VAT
    £2.58 - £2.58
    £2.15 Inc VAT
    £2.15 - £2.15 Exc VAT
    £2.15 Exc VAT

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