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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1874)

    Consumer Units

    Consumer Units (448)

    Circuit Protection Devices

    Circuit Protection Devices (1038)

    EV Circuit Protection

    EV Circuit Protection (107)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (121)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (90)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (158)

    Switch Gear

    Switch Gear (259)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    WCED WKB140C WCED 1 Pole 40A C Curve 10 kA MCB 1

    WCED 1 Pole 40A Curve C 10kA MCB
    2 in stock
    More available within 1 - 3 working days *
    SKU: WKB140C
    Quantity Discount
    Quantity Price
    1 - 4 £3.35
    5+ £3.22
    10+ £3.13
    £3.35
    Live Electrical CS3P25 Live Electrical 3 Pole 25A Changeover Switch 1

    Live Electrical CS3P25 3 Pole 25A Changeover Switch
    Delivery usually within 1 - 2 working days *
    SKU: CS3P25
    £23.90
    Live Electrical RA220C-030 Live Electrical Double Pole Type A RCBO - Curve C - 20A 1

    Live Electrical Double Pole Type A RCBO – Curve C – 20A
    Delivery usually within 1 - 2 working days *
    SKU: RA220C-030
    £13.99
    Hager VML112SPD 12 Way Main Switch SPD Consumer Unit

    Hager VML112SPD 12 Way Main Switch SPD Consumer Unit
    1 in stock
    More available within 1 - 3 working days *
    SKU: VML112SPD
    £84.95
    FuseBox TPN08FB Fusebox TPN08FB 8 Way 125A Three Phase Board 1

    Fusebox TPN08FB 8 Way 125A Three Phase Board
    Delivery usually within 2 - 3 working days *
    SKU: TPN08FB
    £164.82
    FuseBox MT10D201 FuseBox MT10D201 20A Single Pole 10kA D Curve MCB

    FuseBox MT10D201 20A Single Pole 10kA D Curve MCB
    7 in stock
    More available within 2 - 3 working days *
    SKU: MT10D201
    £3.22
    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 MT10D102 10A Double Pole 10kA D Curve MCB

    FuseBox MT10D102 10A Double Pole 10kA D Curve MCB
    1 in stock
    More available within 2 - 3 working days *
    SKU: MT10D102
    £6.68
    FuseBox MT10D163 FuseBox MT10D163 16A Triple Pole 10kA D Curve MCB

    FuseBox MT10D163 16A Triple Pole 10kA D Curve MCB
    2 in stock
    More available within 2 - 3 working days *
    SKU: MT10D163
    £9.51
    FuseBox ARCDLKTPN Fusebox ARCDLKTPN 4 Pole TPN RCD Link Fitting Kit

    Fusebox ARCDLKTPN 4 Pole TPN RCD Link Fitting Kit
    1 in stock
    More available within 2 - 3 working days *
    SKU: ARCDLKTPN
    £6.50
    FuseBox IT1003U Fusebox IT1003U 100A 3 Pole Din Rail Connector

    Fusebox IT1003U 100A 3 Pole Din Rail Connector
    8 in stock
    More available within 2 - 3 working days *
    SKU: IT1003U
    £16.19
    Live Electrical ENC0365 Live Electrical 3 Way Enclosure IP65 H:185 x W:95 x D:110mm

    Live Electrical ENC0365 IP65 3 Way Enclosure
    3 in stock
    More available within 1 - 2 working days *
    SKU: ENC0365
    £12.95
    Surge Devices SY12350KA4P/ENC Surge Devices Type 1+2+3 50kA 3 Phase Lightning and Surge Arrester with Window Indication in IP65 Polycarbonate Enclosure

    Surge Devices SY12350KA4P/ENC Type 1+2+3 50kA 3 Phase SPD with Indication in IP65 Enclosure
    Delivery usually within 3 - 4 working days *
    SKU: SY12350KA4P/ENC
    £330.00
    Hager ADC910R Hager 30mA Type A 10A 6kA C Curve 1M 1P+N Bi-Directional RCBO

    Hager ADC910R 30mA Type A 10A 6kA C Curve 1M 1P+N Bi-Directional RCBO
    2 in stock
    More available within 1 - 3 working days *
    SKU: ADC910R
    £19.43
    Hager ADB406U Hager ADB406U RCBO 10kA B-6A 30mA Type A

    Hager ADB406U RCBO 10kA B-6A 30mA Type A
    2 in stock
    More available within 1 - 3 working days *
    SKU: ADB406U
    £35.76
    Live Electrical AGU5-SR/B IP65 Metal SPD 2 Way Garage/EV Unit with B40A RCBO - Black

    Live Electrical AGU5-SR/B IP65 Metal SPD 2 Way Garage/EV Unit with B40A RCBO – Black
    Delivery usually within 1 - 3 working days *
    SKU: AGU5-SR/B
    Quantity Discount
    Quantity Price
    1 - 2 £52.92
    3+ £51.60
    5+ £50.27
    10+ £48.95
    £52.92
    Live Electrical LSFS100 - 6 Way Metal 125A Fuse Switch Box with 100A Main Switch and Surge Protection

    Live Electrical LSFS100/3F – 6 Way Metal 125A Fuse Switch Box with 100A Main Switch and Surge Protection
    7 in stock
    More available within 1 - 3 working days *
    SKU: LSFS100/3F
    £58.50
    Live Electrical 3P+N 40A B Curve 30mA Type A RCBO

    Live Electrical 3P+N 40A B Curve 30mA Type A RCBO
    Delivery usually within 1 - 3 working days *
    SKU: RTN340B-030N
    £45.15
    Unicrimp QGT3B Grommet Strip Edge Roll - 5mm x 8mm x 3m (Black)

    Unicrimp QGT3B Grommet Strip Edge Roll – 5mm x 8mm x 3m (Black)
    Delivery usually within 1 - 3 working days *
    SKU: QGT3B
    £2.63
    Live Electrical LSMC04/100 100A Main Switch 2 Way Consumer Unit

    Live Electrical LSMC04/100 100A Main Switch 2 Way Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: LSMC04/100
    £20.62

    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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