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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1883)

    Consumer Units

    Consumer Units (469)

    Circuit Protection Devices

    Circuit Protection Devices (1052)

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    EV Circuit Protection (105)

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    SPD Surge Protection Devices (125)

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    Three Phase Distribution Boards (93)

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    Switch Fuses - Isolators (175)

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    Switch Gear (266)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Showing 581–600 of 2331 results

    Hager VM04CB Hager VM04CB 25mmx30mm Closed Meter Tail Plate

    Hager VM04CB 25mmx30mm Closed Meter Tail Plate
    13 In Stock
    This item cannot be back-ordered
    SKU: VM04CB
    £1.50
    Envirograf Intumescent Strip SCUB1 – 100x60mm

    Envirograf Intumescent Strip SCUB1 for Metal Consumer Units – 100x60mm
    21 In Stock
    More available within 1 - 3 working days*
    SKU: SCUB1
    £3.18
    WCED WMCU440SP Whitecliffe Metal Unit 100A Main Switch and Type 2 SPD Surge Protection

    WCED WMCU440SP Whitecliffe Metal Unit 100A Main Switch and Type 2 SPD Surge Protection
    4 In Stock
    More available within 1 - 3 working days*
    SKU: WMCU440SP
    £33.44
    Live Electrical RA206B-030 Live Electrical Double Pole Type A RCBO - Curve B - 6A 1

    Live Electrical Double Pole Type A RCBO – Curve B – 6A
    Delivery usually within 1 - 2 working days*
    SKU: RA206B-030
    £13.99
    Live Electrical RA240C-030 Live Electrical Double Pole Type A RCBO - Curve C - 40A 1

    Live Electrical Double Pole Type A RCBO – Curve C – 40A
    Delivery usually within 1 - 2 working days*
    SKU: RA240C-030
    £13.99
    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 MT10B633 FuseBox MT10B633 63A Triple Pole 10kA B Curve MCB

    FuseBox MT10B633 63A Triple Pole 10kA B Curve MCB
    5 In Stock
    More available within 2 - 3 working days*
    SKU: MT10B633
    £9.88
    FuseBox MT10C163 FuseBox MT10C163 16A Triple Pole 10kA C Curve MCB

    FuseBox MT10C163 16A Triple Pole 10kA C Curve MCB
    19 In Stock
    More available within 2 - 3 working days*
    SKU: MT10C163
    £9.51
    FuseBox MT10C203 FuseBox MT10C203 20A Triple Pole 10kA C Curve MCB

    FuseBox MT10C203 20A Triple Pole 10kA C Curve MCB
    10 In Stock
    More available within 2 - 3 working days*
    SKU: MT10C203
    £9.51
    FuseBox MT10C633 FuseBox MT10C633 63A Triple Pole 10kA C Curve MCB

    FuseBox MT10C633 63A Triple Pole 10kA C Curve MCB
    Delivery usually within 2 - 3 working days*
    SKU: MT10C633
    £9.88
    FuseBox IT1004 Fusebox IT1004 100A 4 Pole Main Switch

    Fusebox IT1004 100A 4 Pole Main Switch
    7 In Stock
    More available within 2 - 3 working days*
    SKU: IT1004
    £15.94
    WCED BBP2100 WCED 2 Pin 100A Busbar Pin Type - 13 Ways

    WCED 2 Pin 100A Busbar Pin Type – 13 Ways
    9 In Stock
    More available within 1 - 3 working days*
    SKU: BBP2100
    £9.80
    WCED WAC4P25CO WCED 4P 25A 2NC 2NO Modular Contactor 1

    WCED WAC4P25CO – 4 Pole 25A 2NO 2NC 230V AC Modular Contactor
    1 In Stock
    More available within 1 - 3 working days*
    SKU: WAC4P25CO
    Quantity Discount
    Quantity Price
    1 - 2 £10.95
    3+ £10.68
    5+ £10.40
    10+ £10.13
    20+ £9.85
    £10.95
    WCED WAC4P63NC WCED 4 Pole 63A 4NC Modular Contactor

    WCED WAC4P63NC – 4 Pole 63A 4NC 230V AC Modular Contactor
    Delivery usually within 1 - 3 working days*
    SKU: WAC4P63NC
    Quantity Discount
    Quantity Price
    1 - 2 £14.16
    3+ £13.81
    5+ £13.45
    10+ £13.10
    20+ £12.74
    £14.16
    Live Electrical DCM250C 2 Pole C Curve 6kA 50A 600V DC MCB

    Live Electrical DCM250C 2 Pole C Curve 6kA 50A 600V DC MCB
    1 In Stock
    More available within 1 - 2 working days*
    SKU: DCM250C
    £9.50
    Hager ADB420U Hager ADB420U RCBO 10kA B-20A 30mA Type A

    Hager ADB420U RCBO 10kA B-20A 30mA Type A
    4 In Stock
    More available within 3 - 4 working days*
    SKU: ADB420U
    £37.99
    Live Electrical LSMC10/100 100A Main Switch 8 Way Consumer Unit

    Live Electrical LSMC10/100 100A Main Switch 8 Way Consumer Unit
    Delivery usually within 1 - 3 working days*
    SKU: LSMC10/100
    £27.52
    WCED WKC110B 10kA 1 Pole MCB Curve B 10A

    WCED | WKC110B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 10A
    8 In Stock
    More available within 1 - 3 working days*
    SKU: WKC110B
    £2.96
    WCED WKC150C 10kA 1 Pole MCB Curve C 50A

    WCED | WKC150C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 50A
    Delivery usually within 1 - 3 working days*
    SKU: WKC150C
    £2.96
    Niglon NSA2-240 Type 2 Surge Protection Kit with Cables

    Niglon NSA2-240 Type 2 Surge Protection Kit with Cables
    11 In Stock
    More available within 1 - 3 working days*
    SKU: NSA2-240
    £24.04

    Showing 581–600 of 2331 results

    Selection of Consumer Units, TPN Distribution Boards, Circuit Protection, Rotary Isolators, Meter Tails, Fused Switches and Accessories.

    18th Edition Consumer Units with built in SPD Surge Protection Device, stand alone SPD units, PEN loss, PME fault detection consumer units, Consumer units relocation boxes/kits, Three phase distribution boards with built in SPD and main switch.

    Thousands of products in stock ready for next day delivery. Friendly and reliable service, competitive prices.

    Circuit protection in the UK is governed by the wiring regulations outlined in the British Standard BS 7671. This standard, also known as the IET Wiring Regulations, sets out the requirements for the design, installation, and maintenance of electrical installations in the UK. Circuit protection is a crucial aspect of electrical installations to ensure the safety of people and property.

    Here are some key aspects of circuit protection according to BS 7671 and the devices commonly used in the UK market:

    1. Circuit Breakers: Circuit breakers are essential devices for protecting electrical circuits. BS 7671 specifies requirements for the selection and installation of circuit breakers. They come in various types, including:
      • Miniature Circuit Breakers (MCBs): MCBs are commonly used to protect individual circuits. They trip when there’s an overload or a short circuit.
      • Residual Current Devices (RCDs): RCDs are designed to protect against electric shock. They disconnect the circuit if they detect an imbalance in current, indicating a fault.
      • Combination RCD/MCB Devices: These devices combine the functions of both MCBs and RCDs in a single unit. They are often used for socket outlets.
    2. Fuses: While less common in modern installations, fuses may still be used for circuit protection. They work by melting when there’s an excess current, breaking the circuit.
    3. Overcurrent Protection: BS 7671 requires that circuits are protected against overcurrents. This is typically achieved through the use of circuit breakers, fuses, or other protective devices.
    4. Earthing and Bonding: Proper earthing and bonding are essential for safety. This ensures that in the event of a fault, the fault current is safely directed away from people and property.
    5. Surge Protection: Surge protection devices may be required to protect against voltage surges or lightning strikes, especially for sensitive electronic equipment.
    6. Arc Fault Detection: In certain installations, arc fault detection devices may be used to detect and disconnect circuits in the presence of dangerous arc faults.
    7. Circuit Isolation: BS 7671 also specifies requirements for circuit isolation devices such as switches and isolators.
    8. Cable Sizing: The standard provides guidelines for selecting the correct cable size to ensure that the cables can safely carry the intended load without overheating.
    9. Circuit Labels and Documentation: Proper labeling and documentation of circuits are important for maintenance and safety. BS 7671 outlines requirements for labeling and record-keeping.

    It’s important to note that regulations and standards may be updated over time, so it’s essential to consult the latest version of BS 7671 and any local regulations or codes that may apply to your specific location or type of installation. Additionally, electrical work should be carried out by qualified and competent electricians to ensure compliance with safety standards.

     






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