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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1908)

    Consumer Units

    Consumer Units (478)

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    Circuit Protection Devices (1064)

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    EV Circuit Protection (106)

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    Three Phase Distribution Boards (93)

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    Switch Fuses - Isolators (174)

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    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    FuseBox MAFDD060630B 6A 30mA Mini AFDDFuseBox | MAFDD060630B | 6kA | 30mA | 6A Mini AFDD

    FuseBox | MAFDD060630B | 6kA | 30mA | 6A Mini AFDD
    5 In Stock
    More available within 1 - 3 working days*
    SKU: MAFDD060630B
    £79.99
    Hager JK125BSP 125A Single Phasing Kit

    Hager JK125BSP 125A Single Phasing Kit
    3 In Stock
    More available within 1 - 3 working days*
    SKU: JK125BSP
    £21.17
    Hager VM02CE Hager VM02CE Cable Protector Plate

    Hager VM02CE Cable Protector Plate
    2 In Stock
    More available within 1 - 3 working days*
    SKU: VM02CE
    £13.19
    Hager SBN240 Hager SBN240 40A Double Pole Isolator

    Hager SBN240 40A Double Pole Isolator
    2 In Stock
    More available within 1 - 3 working days*
    SKU: SBN240
    £28.70
     Hager ADA156U RCBO 10kA C-6A 30mA Type A

     Hager ADA156U RCBO 10kA C-6A 30mA Type A
    2 In Stock
    More available within 1 - 3 working days*
    SKU: ADA156U
    £30.99
    Live Electrical TPN08-250 250A Live Electrical 8 Way TPN Distribution Board 1

    250A Live Electrical 8 Way TPN Distribution Board
    Delivery usually within 1 - 2 working days*
    SKU: TPN08-250
    £236.85
    Hager VML12020 Hager VML12020 Dual Row 20+20 Way Main Switch Consumer Unit

    Hager VML12020 Dual Row 20+20 Way Main Switch Consumer Unit
    Delivery usually within 1 - 3 working days*
    SKU: VML12020
    £165.62
    Hager VML110RK 10 Way Main Switch Consumer Unit with Round Knockouts

    Hager VML110RK 10 Way Main Switch Consumer Unit with Round Knockouts
    Delivery usually within 1 - 3 working days*
    SKU: VML110RK
    £43.39
    Live Electrical EN4040/200 IP65 Metal Enclosure, 400x400x200mm, steel construction with RAL7035 epoxy powder coat, includes galvanised mounting plate and polyurethane foamed gasket for watertight sealing.

    Live Electrical EN4040/200 IP65 Metal Enclosure H:400 x W:400 x D:200mm
    Delivery usually within 1 - 2 working days*
    SKU: EN4040/200
    £53.79
    Live Electrical CEV463B-030 4 Pole 63A 30mA Type B RCCB

    Live Electrical CEV463B-030 4 Pole 63A 30mA Type B RCCB
    1 In Stock
    More available within 1 - 2 working days*
    SKU: CEV463B-030
    £109.00
    Live Electrical RDA425-030 Live Electrical 4 Pole Type A 25A 30mA RCD

    Live Electrical RDA425-030 4 Pole Type A 25A 30mA RCD
    Delivery usually within 1 - 2 working days*
    SKU: RDA425-030
    £22.50
    WCED WMGU04/632 Metal Garage Consumer Unit - 63A Type A RCD 6A/32A B MCBs

    WCED WMGU04/632 Metal Garage Consumer Unit – 63A Type A RCD 6A/32A B MCBs
    Delivery usually within 1 - 3 working days*
    SKU: WMGU04/632
    Quantity Discount
    Quantity Price
    1 - 2 £28.18
    3+ £27.48
    5+ £26.77
    10+ £26.07
    £28.18
    WCED WMMS/616 WCED Metal Garage Unit - 100A Main Switch 6A/16A B MCB 1

    WCED Metal Garage Unit – 100A Main Switch 6A/16A B MCB
    Delivery usually within 1 - 3 working days*
    SKU: WMMS/616
    £22.33
    WCED WAC2P40 WCED 2 Pole 40A 2NO AC Contactor

    WCED WAC2P40 – 2 Pole 40A 2NO 230V AC Modular Contactor
    6 In Stock
    More available within 1 - 3 working days*
    SKU: WAC2P40
    Quantity Discount
    Quantity Price
    1 - 2 £12.26
    3+ £11.95
    5+ £11.65
    10+ £11.34
    20+ £11.03
    £12.26
    WCED WKB363C WCED 3 Pole 63A C Curve 10 kA MCB 1

    WCED 3 Pole 63A C Curve 10 kA MCB
    1 In Stock
    This item cannot be back-ordered
    SKU: WKB363C
    £9.99
    Live Electrical SA220 Live Electrical 2 Pole 10kA/20kA Type 2 Surge Protective Device

    Live Electrical SA220 2 Pole 10kA/20kA Type 2 SPD Surge Protective Device
    8 In Stock
    More available within 1 - 2 working days*
    SKU: SA220
    £15.95
    WCED Double Pole Type A 30mA RCBO Curve C - 10A

    WCED Double Pole Type A 30mA RCBO Curve C – 10A
    Delivery usually within 1 - 3 working days*
    SKU: WER10C-030
    £16.80
    WCED 4 Pole 25A 24V NO Normally Open AC Modular Contactor

    WCED WAC4P25/24 – 4 Pole 25A 4NO 24V AC Modular Contactor
    13 In Stock
    More available within 1 - 3 working days*
    SKU: WAC4P25/24
    Quantity Discount
    Quantity Price
    1 - 2 £15.86
    3+ £15.46
    5+ £15.07
    10+ £14.67
    20+ £14.27
    £15.86
    FuseBox TPN04FB Fusebox TPN04FB 4 Way 125A Three Phase Board 1

    Fusebox TPN04FB 4 Way 125A Three Phase Board
    4 In Stock
    More available within 2 - 3 working days*
    SKU: TPN04FB
    £142.88
    FuseBox TPN12FB Fusebox TPN12FB 12 Way 125A Three Phase Board 1

    Fusebox TPN12FB 12 Way 125A Three Phase Board
    Delivery usually within 2 - 3 working days*
    SKU: TPN12FB
    £198.52

    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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