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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)

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    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)

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    Switch Gear (259)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Garo GCUT112 12 Module IP65 Plastic Enclosure

    Garo GCUT112 Empty 12 Module IP65 Enclosure
    3 in stock
    More available within 1 - 3 working days *
    SKU: GCUT112
    £23.19
    Live Electrical ST1-12.5 4 Pole Type 1+2 SPD Surge Protection

    Live Electrical | ST1-12.5 3P+N | 4 Pole | Type 1+2 SPD Surge Protection
    Delivery usually within 1 - 3 working days *
    SKU: ST1-12.5 3P+N
    £76.70
    Hager VML108SPDRK 8 Way Main Switch SPD Consumer Unit with Round KnockoutsHager VML108SPDRK 8 Way Main Switch SPD Consumer Unit with Round Knockouts

    Hager VML108SPDRK 8 Way Main Switch SPD Consumer Unit with Round Knockouts
    Delivery usually within 1 - 3 working days *
    SKU: VML108SPDRK
    £74.99
    WCED WEV4100B-300 4 Pole 100A B Type 300mA RCD

    WCED WEV4100B-300 4 Pole 100A B Type 300mA RCD
    Delivery usually within 1 - 3 working days *
    SKU: WEV4100B-300
    Quantity Discount
    Quantity Price
    1 £132.96
    2+ £126.31
    3+ £122.99
    £132.96
    Hager JK11253S Hager JK11253S 125A 3 Pole Mains Switch Incomer Kit 1

    Hager JK11253S 125A 3 Pole Mains Switch Incomer Kit
    1 in stock
    More available within 1 - 3 working days *
    SKU: JK11253S
    £67.54
    Hager NCN132A Hager NCN132A Single Pole Type C MCB 32A 10kA

    Hager NCN132A Single Pole Type C MCB 32A 10kA
    6 in stock
    More available within 1 - 3 working days *
    SKU: NCN132A
    £8.94
    Live Electrical MAC4P25 Live Electrical MAC4P25 25A Modular AC Contactor 4 Pole NO 1

    Live Electrical MAC4P25 – 4 Pole 25A 4NO 230V AC Modular Contactor
    2 in stock
    More available within 1 - 2 working days *
    SKU: MAC4P25
    £12.99
    FuseBox EV40B EV Charger Consumer Unit Type B 40A 30mA RCD

    FuseBox EV40B EV Charger Consumer Unit Type B 40A 30mA RCD
    6 in stock
    More available within 2 - 3 working days *
    SKU: EV40B
    £137.39
    WCED WMC110B WCED Miniature Circuit Breaker 6kA Curve B - 10A 1

    WCED Miniature Circuit Breaker 6kA Curve B – 10A
    20 in stock
    More available within 1 - 3 working days *
    SKU: WMC110B
    £1.53
    FuseBox AFSS24 Fusebox AFSS24 Surface Stand Off Plate

    Fusebox AFSS24 Surface Stand Off Plate
    6 in stock
    More available within 2 - 3 working days *
    SKU: AFSS24
    £20.99
    WCED WKB106C WCED 1 Pole 6A C Curve 10 kA MCB 1

    WCED 1 Pole 6A Curve C 10kA MCB
    7 in stock
    More available within 1 - 3 working days *
    SKU: WKB106C
    Quantity Discount
    Quantity Price
    1 - 4 £3.35
    5+ £3.22
    10+ £3.13
    £3.35
    WCED WKB340C WCED 3 Pole 40A C Curve 10 kA MCB 1

    WCED 3 Pole 40A C Curve 10 kA MCB
    3 in stock
    More available within 1 - 3 working days *
    SKU: WKB340C
    Quantity Discount
    Quantity Price
    1 - 4 £9.99
    5+ £9.59
    10+ £9.34
    £9.99
    WCED WKB432B WCED 4 Pole 32A B Curve 10 kA MCB 1

    WCED 4 Pole 32A B Curve 10 kA MCB
    Delivery usually within 1 - 3 working days *
    SKU: WKB432B
    Quantity Discount
    Quantity Price
    1 - 4 £13.45
    5+ £12.91
    10+ £12.58
    £13.45
    Deligo Photovoltaic (Solar) DC Rotary Isolator Switch - 16A

    Deligo Photovoltaic (Solar) DC Rotary Isolator Switch – 16A
    2 in stock
    This item cannot be back-ordered
    SKU: DSRI16
    £24.05 £19.99
    FuseBox MT10C062 FuseBox MT10C062 6A Double Pole 10kA C Curve MCB

    FuseBox MT10C062 6A Double Pole 10kA C Curve MCB
    11 in stock
    More available within 2 - 3 working days *
    SKU: MT10C062
    £6.68
    FuseBox MT10B403 FuseBox MT10B403 40A Triple Pole 10kA B Curve MCB

    FuseBox MT10B403 40A Triple Pole 10kA B Curve MCB
    12 in stock
    More available within 2 - 3 working days *
    SKU: MT10B403
    £9.51
    FuseBox MT10C063 FuseBox MT10C063 6A Triple Pole 10kA C Curve MCB

    FuseBox MT10C063 6A Triple Pole 10kA C Curve MCB
    16 in stock
    More available within 2 - 3 working days *
    SKU: MT10C063
    £9.51
    FuseBox RTA102530B FuseBox RTA102530B 25A 30mA 10kA B Curve Type A RCBO

    FuseBox RTA102530B 25A 30mA 10kA B Curve Type A RCBO
    8 in stock
    More available within 2 - 3 working days *
    SKU: RTA102530B
    £15.99
    Live Electrical RD4100-030 Live Electrical 4 Pole Type A 100A 30mA RCD

    Live Electrical RDA4100-030 4 Pole Type A 100A 30mA RCD
    Delivery usually within 1 - 2 working days *
    SKU: RDA4100-030
    £20.99
    PME / PEN Fault Detection Unit - C40A RCBO 4P 63A Contactor SPD & PME Relays + KWH Meter

    PME / PEN Fault Detection Unit – C40A RCBO 4P 63A Contactor SPD & PME Relays + KWH Meter
    Delivery usually within 1 - 3 working days *
    SKU: WMEPME10/SP
    Quantity Discount
    Quantity Price
    1 £110.60
    2+ £108.39
    3+ £107.28
    £110.60

    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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