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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LIVE Electrical CA106B Single Pole 6A B Curve 6kA MCB

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LIVE Electrical CA110B Single Pole 10A B Curve 6kA MCB

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LIVE Electrical CA116B Single Pole 16A B Curve 6kA MCB

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LIVE Electrical CA120B Single Pole 20A B Curve 6kA MCB

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LIVE Electrical CA125B Single Pole 25A B Curve 6kA MCB

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LIVE Electrical CA132B Single Pole 32A B Curve 6kA MCB

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LIVE Electrical CA140B Single Pole 40A B Curve 6kA MCB

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LIVE Electrical CA150B Single Pole 50A B Curve 6kA MCB

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LIVE Electrical CA163B Single Pole 63A B Curve 6kA MCB

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LIVE Electrical CA106C Single Pole 6A C Curve 6kA MCB

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LIVE Electrical CA110C Single Pole 10A C Curve 6kA MCB

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LIVE Electrical CA116C Single Pole 16A C Curve 6kA MCB

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LIVE Electrical CA120C Single Pole 20A C Curve 6kA MCB

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LIVE Electrical CA125C Single Pole 25A C Curve 6kA MCB

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LIVE Electrical CA132C Single Pole 32A C Curve 6kA MCB

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LIVE Electrical CA140C Single Pole 40A C Curve 6kA MCB

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£2.52

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LIVE Electrical CA150C Single Pole 50A C Curve 6kA MCB

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LIVE Electrical CA163C Single Pole 63A C Curve 6kA MCB

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LIVE Electrical CA206B Double Pole 6A B Curve 6kA MCB

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LIVE Electrical CA206C Double Pole 6A C Curve 6kA MCB

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LIVE Electrical CA210B Double Pole 10A B Curve 6kA MCB

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LIVE Electrical CA210C Double Pole 10A C Curve 6kA MCB

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LIVE Electrical CA216B Double Pole 16A B Curve 6kA MCB

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LIVE Electrical CA216C Double Pole 16A C Curve 6kA MCB

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LIVE Electrical CA220B Double Pole 20A B Curve 6kA MCB

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LIVE Electrical CA220C Double Pole 20A C Curve 6kA MCB

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LIVE Electrical CA232B Double Pole 32A B Curve 6kA MCB

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LIVE Electrical CA232C Double Pole 32A C Curve 6kA MCB

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LIVE Electrical CA240B Double Pole 40A B Curve 6kA MCB

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LIVE Electrical CA240C Double Pole 40A C Curve 6kA MCB

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LIVE Electrical CA250B Double Pole 50A B Curve 6kA MCB

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LIVE Electrical CA250C Double Pole 50A C Curve 6kA MCB

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LIVE Electrical CA263B Double Pole 63A B Curve 6kA MCB

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LIVE Electrical CA263C Double Pole 63A C Curve 6kA MCB

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LIVE Electrical CA306B Triple Pole 6A B Curve 6kA MCB

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LIVE Electrical CA306C Triple Pole 6A C Curve 6kA MCB

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£5.29 - £5.29

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LIVE Electrical CA310B Triple Pole 10A B Curve 6kA MCB

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LIVE Electrical CA310C Triple Pole 10A C Curve 6kA MCB

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£5.29 - £5.29

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LIVE Electrical CA316B Triple Pole 16A B Curve 6kA MCB

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£5.29 - £5.29

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LIVE Electrical CA316C Triple Pole 16A C Curve 6kA MCB

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£5.29 - £5.29

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LIVE Electrical CA320B Triple Pole 20A B Curve 6kA MCB

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LIVE Electrical CA320C Triple Pole 20A C Curve 6kA MCB

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£5.29 - £5.29

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LIVE Electrical CA332B Triple Pole 32A B Curve 6kA MCB

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LIVE Electrical CA332C Triple Pole 32A C Curve 6kA MCB

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LIVE Electrical CA340B Triple Pole 40A B Curve 6kA MCB

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£5.29 - £5.29

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LIVE Electrical CA340C Triple Pole 40A C Curve 6kA MCB

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£5.88 - £5.88

£5.88 Inc VAT

£4.90 Exc VAT

£5.88 - £5.88

£4.90 Inc VAT

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£4.90 Exc VAT

LIVE Electrical CA350B Triple Pole 50A B Curve 6kA MCB

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£5.88 - £5.88

£4.90 Inc VAT

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£4.90 Exc VAT

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£5.88 - £5.88

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£4.90 Exc VAT

£5.88 - £5.88

£4.90 Inc VAT

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£4.90 Exc VAT

LIVE Electrical CA350C Triple Pole 50A C Curve 6kA MCB

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£4.90 Inc VAT

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£4.90 Exc VAT

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