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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 WAC4P25NC WCED 4P 25A 4NC Modular Contactor

    WCED WAC4P25NC – 4 Pole 25A 4NC 230V AC Modular Contactor
    Delivery usually within 1 - 3 working days *
    SKU: WAC4P25NC
    Quantity Discount
    Quantity Price
    1 - 2 £13.49
    3+ £13.15
    5+ £12.82
    10+ £12.48
    20+ £12.14
    £13.49
    G-ProKit GPRO-3PH-METERKIT G-ProBox 100A Three-Phase DIN Rail Metering Kit in Metal Enclosure 1

    G-ProBox 100A Three-Phase DIN Rail Metering Kit in Metal Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: GPRO-3PH-METERKIT
    £263.25
    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 1 - 3 working days *
    SKU: ADB420U
    £35.76
    FuseBox RTF630302 Type F RCD 63A 30mA 2P

    FuseBox RTF630302 Type F RCD 63A 30mA 2P
    2 in stock
    More available within 1 - 3 working days *
    SKU: RTF630302
    £46.80
    FuseBox Bi-Directional Mini RCBO 06A C Curve 30mA Type A - Compact and Reliable Protection

    FuseBox Bi-Directional Mini RCBO 6A C Curve 30mA Type A
    21 in stock
    More available within 1 - 3 working days *
    SKU: RTAMC06BD
    £13.94
    WARB5100C 5 Pole 100A Auto Reset Device with PME Fault Protection

    WARB5100C 5 Pole 100A Auto Reset Device with PME Fault Protection
    Delivery usually within 1 - 3 working days *
    SKU: WARB5100C
    £48.14
    WCED WKC140B 10kA 1 Pole MCB Curve B 40A

    WCED WKC140B 10kA 1 Pole MCB Curve B 40A
    8 in stock
    More available within 1 - 3 working days *
    SKU: WKC140B
    Quantity Discount
    Quantity Price
    1 - 4 £3.28
    5+ £3.15
    10+ £3.07
    £3.28
    Live Electrical SinglePhaseKit Single Phase Kit for Live Electrical TPN Boards 1

    Single Phase Kit for Live Electrical TPN Boards
    1 in stock
    More available within 1 - 2 working days *
    SKU: SinglePhaseKit
    £9.00
    Live Electrical CB110D Live Electrical CB110D 10A Curve D 10kA MCB 1

    Live Electrical CB110D 10A Curve D 10kA MCB
    13 in stock
    More available within 1 - 2 working days *
    SKU: CB110D
    £2.95
    Hager VM05GS Hager Grommet Strip - 5 meters

    Hager Grommet Strip – 5 meters
    10 in stock
    More available within 1 - 3 working days *
    SKU: VM05GS
    £5.55
    FuseBox MT10C163 FuseBox MT10C163 16A Triple Pole 10kA C Curve MCB

    FuseBox MT10C163 16A Triple Pole 10kA C Curve MCB
    8 in stock
    More available within 2 - 3 working days *
    SKU: MT10C163
    £9.51
    FuseBox RTA1001004S FuseBox RTA1001004S 4P Type A RCD 100A 100mA

    FuseBox RTA1001004S 4P Type A RCD 100A 100mA
    Delivery usually within 2 - 3 working days *
    SKU: RTA1001004S
    £29.04
    FuseBox AMBP Module Blanks 12 Pack

    FuseBox AMBP Module Blanks 12 Pack
    5 in stock
    More available within 2 - 3 working days *
    SKU: AMBP
    £0.90
    WCED BBP2100 WCED 2 Pin 100A Busbar Pin Type - 13 Ways

    WCED 2 Pin 100A Busbar Pin Type – 13 Ways
    10 in stock
    More available within 1 - 3 working days *
    SKU: BBP2100
    £8.40
    Live Electrical LSMC22M-SP Live Electrical 19 Way SPD Metal Consumer Unit 1

    Live Electrical 19 Way SPD Metal Consumer Unit
    7 in stock
    More available within 1 - 2 working days *
    SKU: LSMC22M-SP
    £55.87
    Hager ADC916R Hager 30mA Type A 16A 6kA C Curve 1M 1P+N Bi-Directional RCBO

    Hager ADC916R 30mA Type A 16A 6kA C Curve 1M 1P+N Bi-Directional RCBO
    Delivery usually within 1 - 3 working days *
    SKU: ADC916R
    £19.43
    Live Electrical LSMC06 6 Module Metal Enclosure

    Live Electrical LSMC06 6 Module Metal Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: LSMC06
    £23.90
    Niglon RCBO1-20/30SSAX 20A Curve B 30mA A Type RCBO

    Niglon RCBO1-20/30SSAX 20A Curve B 30mA A Type RCBO
    31 in stock
    More available within 1 - 3 working days *
    SKU: RCBO1-20/30SSAX
    £11.12
    Live Electrical RNC06B-30N – 6A Double Pole Single Module RCBO

    Live Electrical RNC06B-30N – B6A Double Pole Single Module RCBO
    Delivery usually within 1 - 3 working days *
    SKU: RNC06B-30N
    £10.53
    Fusebox EV40AXBD EV Consumer Unit 100A Main Switch 30mA 40A Bi-Directional RCBO and SPD

    Fusebox EV40AXBD EV Consumer Unit 100A Main Switch 30mA B40A Bi-Directional RCBO and SPD
    2 in stock
    This item cannot be back-ordered
    SKU: EV40AXBD
    £59.99

    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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