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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1879)

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    Consumer Units (448)

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    Circuit Protection Devices (1058)

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    EV Circuit Protection (107)

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    Three Phase Distribution Boards (90)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (173)

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    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Live Electrical CB150D Live Electrical CB150D 50A Curve D 10kA MCB 1

    Live Electrical CB150D 50A Curve D 10kA MCB
    14 in stock
    More available within 1 - 2 working days *
    SKU: CB150D
    £2.95
    Hager VML11010 Hager VML11010 Dual Row 10+10 Way Main Switch Consumer Unit

    Hager VML11010 Dual Row 10+10 Way Main Switch Consumer Unit
    2 in stock
    More available within 1 - 3 working days *
    SKU: VML11010
    £141.69
    Hager VMLF110 Hager VMLF110 10 Way Main Switch Flush Consumer Unit

    Hager VMLF110 10 Way Main Switch Flush Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: VMLF110
    £75.74
    Hager NBN310A 3 Pole Type B MCB 10A 10kA

    Hager NBN310A 3 Pole Type B MCB 10A 10kA
    Delivery usually within 1 - 3 working days *
    SKU: NBN310A
    £35.99
    Hager NBN332A 3 Pole MCB Type B 32A 10kA

    Hager NBN332A 3 Pole MCB Type B 32A 10kA
    4 in stock
    More available within 1 - 3 working days *
    SKU: NBN332A
    £35.99
    Hager NBN363A MCB 3 Pole Type B 63A 10kA

    Hager NBN363A MCB 3 Pole Type B 63A 10kA
    5 in stock
    More available within 1 - 3 working days *
    SKU: NBN363A
    £38.39
    Hager NCN310A 3 Pole MCB Type C 10A 10kA

    Hager NCN310A 3 Pole MCB Type C 10A 10kA
    2 in stock
    More available within 1 - 3 working days *
    SKU: NCN310A
    £35.99
    Hager NCN350A 3 Pole MCB Type C 50A 10kA

    Hager NCN350A 3 Pole MCB Type C 50A 10kA
    1 in stock
    More available within 1 - 3 working days *
    SKU: NCN350A
    £35.99
    Hager NCN363A 3 Pole MCB Type C 63A 10kA

    Hager NCN363A 3 Pole MCB Type C 63A 10kA
    5 in stock
    More available within 1 - 3 working days *
    SKU: NCN363A
    £39.59
    Hager NCN150A Hager NCN150A Single Pole Type C MCB 50A 10kA

    Hager NCN150A Single Pole Type C MCB 50A 10kA
    1 in stock
    More available within 1 - 3 working days *
    SKU: NCN150A
    £9.54
    Hager NBN150A Hager NBN150A Single Pole Type B MCB 50A 10kA

    Hager NBN150A Single Pole Type B MCB 50A 10kA
    16 in stock
    More available within 1 - 3 working days *
    SKU: NBN150A
    £9.54
    Hager NBN120A Hager NBN120A Single Pole Type B MCB 20A 10kA

    Hager NBN120A Single Pole Type B MCB 20A 10kA
    Delivery usually within 1 - 3 working days *
    SKU: NBN120A
    £8.94
    FuseBox AFDD060630B 6A 30mA AFDD

    FuseBox AFDD060630B 6A 30mA AFDD
    4 in stock
    This item cannot be back-ordered
    SKU: AFDD060630B
    £70.99
    FuseBox AFDD064030B 40amp 30mA AFDD

    FuseBox AFDD064030B 40amp 30mA AFDD
    3 in stock
    This item cannot be back-ordered
    SKU: AFDD064030B
    £70.99
    Live Electrical EN5040/250 IP65 Metal Enclosure, 500x400x250mm, steel construction with RAL7035 epoxy powder coat, includes galvanised mounting plate and polyurethane foamed gasket for watertight sealing.

    Live Electrical EN5040/250 IP65 Metal Enclosure H:500 x W:400 x D:250mm
    Delivery usually within 1 - 2 working days *
    SKU: EN5040/250
    £71.39
    Live Electrical EN6060/250 IP65 Metal Enclosure, 600x600x250mm, steel construction with RAL7035 epoxy powder coat, includes galvanised mounting plate and polyurethane foamed gasket for watertight sealing.

    Live Electrical EN6060/250 IP65 Metal Enclosure H:600 x W:600 x D:250mm
    Delivery usually within 1 - 2 working days *
    SKU: EN6060/250
    £108.90
    Live Electrical EN8060/300 IP65 Metal Enclosure, 800x600x300mm, steel construction with RAL7035 epoxy powder coat, includes galvanised mounting plate and polyurethane foamed gasket for watertight sealing.

    Live Electrical EN8060/300 IP65 Metal Enclosure H:800 x W:600 x D:300mm
    Delivery usually within 1 - 2 working days *
    SKU: EN8060/300
    £229.61
    WCED WPEVKIT63-EC IP65 EV Consumer Unit with B Type 40A RCD and C40 MCB

    IP65 EV Consumer Unit with B Type 40A RCD and C40 MCB
    2 in stock
    More available within 1 - 3 working days *
    SKU: WPEVKIT63-EC
    £114.21
    WCED 14 Way Main Switch Consumer Unit

    WCED 14 Way Main Switch Consumer Unit
    3 in stock
    More available within 1 - 3 working days *
    SKU: WME16/MS100
    £38.51
    WCED WME16 WCED 16 Way Metal Enclosure 1

    WCED 16 Way Metal Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: WME16
    Quantity Discount
    Quantity Price
    1 - 4 £34.90
    5+ £34.03
    10+ £33.16
    20+ £32.28
    £34.90

    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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