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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 MT10C101 FuseBox MT10C101 10A Single Pole 10kA C Curve MCB

    FuseBox MT10C101 10A Single Pole 10kA C Curve MCB
    18 in stock
    More available within 2 - 3 working days *
    SKU: MT10C101
    £3.22
    Live Electrical AMR116C-030 30mA Type A 6kA C Curve 16A Bi-Directional RCBO

    Live Electrical AMR116C-030 30mA Type A 6kA C Curve 16A Bi-Directional RCBO
    13 in stock
    More available within 1 - 3 working days *
    SKU: AMR116C-030
    £8.66
    Live Electrical MCFS100 Live Electrical 125A Fused Switch With Metal Lid 1

    Live Electrical 125A Fused Switch With Metal Lid
    2 in stock
    More available within 1 - 2 working days *
    SKU: MCFS100
    £25.90
    Hager MTN140 MCB 6kA B-40

    Hager MTN140 MCB 6kA B-40
    7 in stock
    More available within 1 - 3 working days *
    SKU: MTN140
    £2.38
    Live Electrical CB316B Live Electrical CB316B 3 Pole 16A B Curve 10kA MCB 1

    Live Electrical CB316B 3 Pole 16A B Curve 10kA MCB
    8 in stock
    More available within 1 - 2 working days *
    SKU: CB316B
    £8.37
    FuseBox MT06B101 10A MCB Curve B

    FuseBox MT06B101 10A MCB Curve B
    42 in stock
    More available within 2 - 3 working days *
    SKU: MT06B101
    £1.95
    WCED WRB120C-030 WCED Type A High Immunity Curve C 20A 30mA RCBO 1

    WCED Type A High Immunity Curve C 20A 30mA RCBO
    13 in stock
    More available within 1 - 3 working days *
    SKU: WRB120C-030
    £9.99
    WCED WMCUSP432B 3 Phase SPD with 32A Curve B 4 Pole MCB

    WCED WMCUSP432B 3 Phase SPD with 32A Curve B 4 Pole MCB
    Delivery usually within 1 - 3 working days *
    SKU: WMCUSP432B
    £59.90
    Live Electrical 19 Way SPD Metal Consumer Unit Kit c/w 15 RCBOs

    Live Electrical 19 Way SPD Metal Consumer Unit Kit c/w 15 RCBOs
    In Stock
    SKU: LSMC22M-SP/15RCBO
    £178.36
    WCED WFD132B-030 Bi-Directional Type A 30mA B Curve 32A AFDD

    WCED WFD132B-030 Bi-Directional Type A 30mA B Curve 32A AFDD
    1 in stock
    More available within 1 - 3 working days *
    SKU: WFD132B-030
    Quantity Discount
    Quantity Price
    1 - 2 £59.90
    3+ £57.50
    5+ £55.71
    £59.90
    Live Electrical CB350C Live Electrical CB350C 3 Pole 50A C Curve 10kA MCB 1

    Live Electrical CB350C 3 Pole 50A C Curve 10kA MCB
    10 in stock
    More available within 1 - 2 working days *
    SKU: CB350C
    £9.07
    Live Electrical TIME16S Live Electrical Single Module Digital Timer

    Live Electrical Single Module Digital Timer
    1 in stock
    More available within 1 - 2 working days *
    SKU: TIME16S
    £24.90
    WCED 2 Pole 230V 20A NO Normally Open AC Modular Contactor

    WCED WAC2P20 – 2 Pole 20A 2NO 230V AC Modular Contactor
    2 in stock
    More available within 1 - 3 working days *
    SKU: WAC2P20
    Quantity Discount
    Quantity Price
    1 - 2 £5.99
    3+ £5.84
    5+ £5.69
    10+ £5.54
    20+ £5.39
    £5.99
    WCED WMEV240B WCED A-Type Electric Vehicle 2 Module Enclosure - 40A RCBO B Curve 1

    WCED A-Type Electric Vehicle 2 Module Enclosure – 40A RCBO B Curve
    Delivery usually within 1 - 3 working days *
    SKU: WMEV240B
    Quantity Discount
    Quantity Price
    1 £25.99
    2+ £24.69
    3+ £24.04
    5+ £23.39
    £25.99
    Fusebox TPN07FBX

    Fusebox TPN07FBX 7 Way 125A Three Phase Board with SPD
    2 in stock
    More available within 2 - 3 working days *
    SKU: TPN07FBX
    £193.31
    Live Electrical 3P+N 32A B Curve 30mA Type A RCBO

    Live Electrical 3P+N 32A B Curve 30mA Type A RCBO
    Delivery usually within 1 - 3 working days *
    SKU: RTN332B-030N
    £45.15
    WCED WKC132C 10kA 1 Pole MCB Curve C 32A

    WCED WKC132C 10kA 1 Pole MCB Curve C 32A
    Delivery usually within 1 - 3 working days *
    SKU: WKC132C
    Quantity Discount
    Quantity Price
    1 - 4 £3.28
    5+ £3.15
    10+ £3.07
    £3.28
    PJW Meters SW150-12MM-STEEL SW100-STEEL & SW100-12MM-STEEL Sealing Ferrules with Galvanised Wire

    SW100-STEEL & SW100-12MM-STEEL Sealing Ferrules with Galvanised Wire
    Delivery usually within 1 - 3 working days *
    SKU: SW150-12MM-STEEL
    £21.00
    Live Electrical MS4100 4 Pole 100A Main Switch

    Live Electrical MS4100 4 Pole 100A Main Switch
    7 in stock
    More available within 1 - 2 working days *
    SKU: MS4100
    £9.07
    Live Electrical CB320B Live Electrical CB320B 3 Pole 20A B Curve 10kA MCB 1

    Live Electrical CB320B 3 Pole 20A B Curve 10kA MCB
    17 in stock
    More available within 1 - 2 working days *
    SKU: CB320B
    £8.37

    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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