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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1878)

    Consumer Units

    Consumer Units (448)

    Circuit Protection Devices

    Circuit Protection Devices (1058)

    EV Circuit Protection

    EV Circuit Protection (107)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (120)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (90)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (173)

    Switch Gear

    Switch Gear (260)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    FuseBox RTB630302M FuseBox RTB630302M 63A Double Pole Type B RCD

    FuseBox RTB630302M 63A Double Pole Type B RCD
    11 in stock
    More available within 2 - 3 working days *
    SKU: RTB630302M
    £114.00
    Live Electrical LSMC14M-SP Live Electrical 11 Way SPD Metal Consumer Unit 1

    Live Electrical 11 Way SPD Metal Consumer Unit
    1 in stock
    More available within 1 - 2 working days *
    SKU: LSMC14M-SP
    £46.12
    WCED Consumer Unit Kit with SPD and 7 RCBOs

    WCED Consumer Unit Kit with SPD and 7 RCBOs
    In Stock
    SKU: WME10/SP/7RCBO
    £103.56
    Fusebox F100GRA Garage Consumer Unit 63A 1

    Fusebox F100GRA Garage 63A RCD Consumer Unit
    3 in stock
    This item cannot be back-ordered
    SKU: F100GRA
    £28.42
    WCED WKB432C WCED 4 Pole 32A C Curve 10 kA MCB 1

    WCED 4 Pole 32A C Curve 10 kA MCB
    Delivery usually within 1 - 3 working days *
    SKU: WKB432C
    Quantity Discount
    Quantity Price
    1 - 4 £13.45
    5+ £12.91
    10+ £12.58
    £13.45
    FuseBox MT10C161 FuseBox MT10C161 16A Single Pole 10kA C Curve MCB

    FuseBox MT10C161 16A Single Pole 10kA C Curve MCB
    Delivery usually within 2 - 3 working days *
    SKU: MT10C161
    £3.22
    WCED WKC132B 10kA 1 Pole MCB Curve B 32A

    WCED WKC132B 10kA 1 Pole MCB Curve B 32A
    16 in stock
    More available within 1 - 3 working days *
    SKU: WKC132B
    Quantity Discount
    Quantity Price
    1 - 4 £3.28
    5+ £3.15
    10+ £3.07
    £3.28
    FuseBox F3007MZ 7 Way SPD Consumer Unit Kit – with 5 RCBOs

    FuseBox F3007MZ 7 Way SPD Consumer Unit Kit – with 5 RCBOs
    In Stock
    SKU: F3007MZ/5RCBO
    £105.25
    WCED 2 Pole 100A 100mA Time Delay Type A RCD

    WCED 2 Pole 100A 100mA Time Delay Type A RCD
    Delivery usually within 1 - 3 working days *
    SKU: WARTD2100-100
    Quantity Discount
    Quantity Price
    1 £28.49
    2+ £27.07
    3+ £26.35
    £28.49
    Live Electrical CB306B Live Electrical CB306B 3 Pole 6A B Curve 10kA MCB 1

    Live Electrical CB306B 3 Pole 6A B Curve 10kA MCB
    21 in stock
    More available within 1 - 2 working days *
    SKU: CB306B
    £8.37
    Live Electrical CB320D Live Electrical CB320D 3 Pole 20A D Curve 10kA MCB 1

    Live Electrical CB320D 3 Pole 20A D Curve 10kA MCB
    16 in stock
    More available within 1 - 2 working days *
    SKU: CB320D
    £8.37
    WCED WME06/SP WCED 3 Way SPD Metal Consumer Unit

    WCED 3 Way SPD Metal Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: WME06/SP
    £36.78
    FuseBox MT10C323 FuseBox MT10C323 32A Triple Pole 10kA C Curve MCB

    FuseBox MT10C323 32A Triple Pole 10kA C Curve MCB
    21 in stock
    More available within 2 - 3 working days *
    SKU: MT10C323
    £9.51
    Live Electrical TPN12-125S Live Electrical 125 Amp 12 Way TPN Distribution Board with SPD 1

    Live Electrical TPN12-125S 125 Amp 12 Way TPN Distribution Board with SPD
    Delivery usually within 1 - 2 working days *
    SKU: TPN12-125S
    £182.59
    Live Electrical CB340B Live Electrical CB340B 3 Pole 40A B Curve 10kA MCB 1

    Live Electrical CB340B 3 Pole 40A B Curve 10kA MCB
    5 in stock
    More available within 1 - 2 working days *
    SKU: CB340B
    £8.37
    Live Electrical CH3100C Live Electrical CH3100C 3 Pole 100 Amp C curve 10kA MCB

    Live Electrical CH3100C 3 Pole 100A C Curve 6kA MCB
    Delivery usually within 1 - 2 working days *
    SKU: CH3100C
    £11.99
    Fusebox F2014DT 14 Way Dual Tariff Consumer Unit

    Fusebox F2014DT 14 Way Dual Tariff Consumer Unit
    Delivery usually within 2 - 3 working days *
    SKU: F2014DT
    £45.02
    WCED WME12/SP WCED 9 Way SPD Metal Consumer Unit

    WCED 9 Way SPD Metal Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: WME12/SP
    £47.97
    FuseBox Bi-Directional Mini RCBO 06A C Curve 30mA Type A - Compact and Reliable Protection

    FuseBox Bi-Directional Mini RCBO 16A C Curve 30mA Type A
    30 in stock
    More available within 1 - 3 working days *
    SKU: RTAMC16BD
    £13.94
    Live Electrical WI3P20A - Waterproof Isolator Switch 3 Pole 20 A

    Live Electrical WI3P20A – Waterproof Isolator Switch 3 Pole 20 A
    Delivery usually within 1 - 3 working days *
    SKU: WI3P20A
    £7.50

    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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