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    Electrical4less Reviews 4.9 Based on 1485 reviews
    UK Mainland Free Delivery £75 + VAT
    30 Day Return Policy
    Next Day Delivery Cut Off Time 3PM*

    FuseBox Circuit Protection Devices

    FuseBox - RCBO Residual Current Breakers with Overcurrent

    FuseBox - RCBO Residual Current Breakers with Overcurrent (65)

    FuseBox AFDD - Arc Fault Detection Devices

    FuseBox AFDD - Arc Fault Detection Devices (12)

    FuseBox MCB - Miniature Circuit Breakers

    FuseBox MCB - Miniature Circuit Breakers (89)

    FuseBox RCD - Residual Current Device

    FuseBox RCD - Residual Current Device (16)

    FuseBox MT10B401 FuseBox MT10B401 40A Single Pole 10kA B Curve MCB

    FuseBox MT10B401 40A Single Pole 10kA B Curve MCB
    15 in stock
    More available within 2 - 3 working days *
    SKU: MT10B401
    £3.22
    FuseBox MT10C401 FuseBox MT10C401 40A Single Pole 10kA C Curve MCB

    FuseBox MT10C401 40A Single Pole 10kA C Curve MCB
    8 in stock
    More available within 2 - 3 working days *
    SKU: MT10C401
    £3.22
    FuseBox MT10D401 FuseBox MT10D401 40A Single Pole 10kA D Curve MCB

    FuseBox MT10D401 40A Single Pole 10kA D Curve MCB
    2 in stock
    More available within 2 - 3 working days *
    SKU: MT10D401
    £3.22
    FuseBox MT10B403 FuseBox MT10B403 40A Triple Pole 10kA B Curve MCB

    FuseBox MT10B403 40A Triple Pole 10kA B Curve MCB
    12 in stock
    More available within 2 - 3 working days *
    SKU: MT10B403
    £9.51
    FuseBox MT10C403 FuseBox MT10C403 40A Triple Pole 10kA C Curve MCB

    FuseBox MT10C403 40A Triple Pole 10kA C Curve MCB
    3 in stock
    More available within 2 - 3 working days *
    SKU: MT10C403
    £9.51
    FuseBox MT10D403 FuseBox MT10D403 40A Triple Pole 10kA D Curve MCB

    FuseBox MT10D403 40A Triple Pole 10kA D Curve MCB
    4 in stock
    More available within 2 - 3 working days *
    SKU: MT10D403
    £9.51
    FuseBox MT10C502 FuseBox MT10C502 50A Double Pole 10kA C Curve MCB

    FuseBox MT10C502 50A Double Pole 10kA C Curve MCB
    13 in stock
    More available within 2 - 3 working days *
    SKU: MT10C502
    £6.95
    FuseBox MT10D502 50A Double Pole 10kA D Curve MCB

    FuseBox MT10D502 50A Double Pole 10kA D Curve MCB
    Delivery usually within 2 - 3 working days *
    SKU: MT10D502
    £6.95
    FuseBox MT10B501 FuseBox MT10B501 50A Single Pole 10kA B Curve MCB

    FuseBox MT10B501 50A Single Pole 10kA B Curve MCB
    17 in stock
    More available within 2 - 3 working days *
    SKU: MT10B501
    £3.34
    FuseBox MT10C501 FuseBox MT10C501 50A Single Pole 10kA C Curve MCB

    FuseBox MT10C501 50A Single Pole 10kA C Curve MCB
    2 in stock
    More available within 2 - 3 working days *
    SKU: MT10C501
    £3.34
    FuseBox MT10D501 50A Single Pole 10kA D Curve MCB

    FuseBox MT10D501 50A Single Pole 10kA D Curve MCB
    10 in stock
    More available within 2 - 3 working days *
    SKU: MT10D501
    £3.34
    FuseBox MT10B503 FuseBox MT10B503 50A Triple Pole 10kA B Curve MCB

    FuseBox MT10B503 50A Triple Pole 10kA B Curve MCB
    11 in stock
    More available within 2 - 3 working days *
    SKU: MT10B503
    £9.88
    FuseBox MT10C503 FuseBox MT10C503 50A Triple Pole 10kA C Curve MCB

    FuseBox MT10C503 50A Triple Pole 10kA C Curve MCB
    6 in stock
    More available within 2 - 3 working days *
    SKU: MT10C503
    £9.88
    FuseBox MT10D503 FuseBox MT10D503 50A Triple Pole 10kA D Curve MCB

    FuseBox MT10D503 50A Triple Pole 10kA D Curve MCB
    7 in stock
    More available within 2 - 3 working days *
    SKU: MT10D503
    £9.88
    FuseBox MT10C632 FuseBox MT10C632 63A Double Pole 10kA C Curve MCB

    FuseBox MT10C632 63A Double Pole 10kA C Curve MCB
    3 in stock
    More available within 2 - 3 working days *
    SKU: MT10C632
    £6.95
    FuseBox MT10D632 63A Double Pole 10kA D Curve MCB

    FuseBox MT10D632 63A Double Pole 10kA D Curve MCB
    Delivery usually within 2 - 3 working days *
    SKU: MT10D632
    £6.95
    FuseBox MT10B631 FuseBox MT10B631 63A Single Pole 10kA B Curve MCB

    FuseBox MT10B631 63A Single Pole 10kA B Curve MCB
    8 in stock
    More available within 2 - 3 working days *
    SKU: MT10B631
    £3.34
    FuseBox MT10C631 FuseBox MT10C631 63A Single Pole 10kA C Curve MCB

    FuseBox MT10C631 63A Single Pole 10kA C Curve MCB
    9 in stock
    More available within 2 - 3 working days *
    SKU: MT10C631
    £3.34
    FuseBox MT10D631 63A Single Pole 10kA D Curve MCB

    FuseBox MT10D631 63A Single Pole 10kA D Curve MCB
    10 in stock
    More available within 2 - 3 working days *
    SKU: MT10D631
    £3.34
    FuseBox MT10B633 FuseBox MT10B633 63A Triple Pole 10kA B Curve MCB

    FuseBox MT10B633 63A Triple Pole 10kA B Curve MCB
    4 in stock
    More available within 2 - 3 working days *
    SKU: MT10B633
    £9.88

    Visit Our Fusebox Shop

    Looking for more than just circuit protection devices? Visit our FuseBox Shop to browse the full range, including RCBOs, MCBs, surge protection, EV distribution boards and other essentials, all with fast UK delivery and trade pricing.

    Fast UK Delivery on FuseBox Circuit Protection Devices

    Most items show stock/lead-time status on the listings. Free UK Mainland next-day delivery is available on orders over £75 + VAT for in-stock items, with a 3pm cut-off.

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    Next Day Delivery

    Cut-Off Time and Order Information
    To ensure your order qualifies for next day delivery, please place your order by 3:00 PM. This is subject to all items being available on the shelf at the time of your order. For orders where the total value exceeds £150 + VAT (double our standard carriage-paid order value of £75 + VAT), we are happy to split the delivery into two shipments if some items are needed urgently and others are not immediately available. If you have any questions or need further assistance, feel free to reach out to us via WhatsApp for live support. We’re here to help!

    In Stock Delivery Policy

    Free Next-Day Delivery Over £75 + VAT:
    Orders above £75 + VAT qualify for free next-day delivery via DPD for in-stock items. While we strive for timely dispatch, we recommend placing orders early to avoid potential delays. Once dispatched, unexpected issues may arise despite the courier’s efforts.

    Orders Below £150 + VAT:
    To keep costs manageable, we dispatch your order once all items are ready, including products with longer lead times.

    Need items faster? You can pay for an additional delivery service to receive in-stock items sooner. Simply email us with your order details, and we’ll send you a payment link for the extra delivery cost.

    Orders Above £150 + VAT:
    For larger orders, we can split delivery at no extra cost. In-stock items will be sent immediately, with the remaining items dispatched once available.

    Backorder Delivery Policy

    Items with Lead Times (e.g., 1–3 Working Days):
    This means we need to source the product from our supplier before sending it to you. The estimated dispatch time is displayed on each product page.

    Out of Stock at Supplier:
    If an item is unavailable at the supplier, we will contact you promptly. You’ll have the option to choose an alternative product or request a full refund.

    Didn't find what you're looking for?

    No problem — message us directly on WhatsApp and we’ll help you out.

    We usually respond within minutes during working hours.

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