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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 (256)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    3 Phase PME / PEN Fault Detection Unit for 2 x 3 Phase Car Chargers

    3 Phase PME / PEN Fault Detection Unit for 2 x 3 Phase Car Chargers
    Delivery usually within 1 - 3 working days *
    SKU: WMTP28-R40CSP
    Quantity Discount
    Quantity Price
    1 £228.69
    2+ £224.12
    3+ £221.83
    £228.69
    Fusebox SF0100RA Fused Switch With 100A 100MA Type A RCD

    Fusebox SF0100RA 100A Fused Switch With 100mA Type A RCD
    6 in stock
    More available within 2 - 3 working days *
    SKU: SF0100RA
    £58.45
    Live Electrical 10kA RCBO 40A Curve C Type A 30mA 1P+N

    Live Electrical 10kA RCBO 40A Curve C Type A 30mA 1P+N
    28 in stock
    More available within 1 - 2 working days *
    SKU: RA140C-030
    £10.24
    Fire Retardant Consumer Unit / Meter Board 12" x 24" ( 304 x 608mm )

    Fire Retardant Consumer Unit / Meter Board 12″ x 24″ ( 304 x 608mm )
    8 in stock
    More available within 1 - 3 working days *
    SKU: MB1224
    £18.90
    Live Electrical RI440 40A Weatherproof Rotary Isolator Switch 4 Pole 1

    Live Electrical RI440 4 Pole 40A IP65 Rotary Isolator Switch
    4 in stock
    More available within 1 - 2 working days *
    SKU: RI440
    £15.90
    Live Electrical CB163B Live Electrical CB163B 63A Curve B 10kA MCB 1

    Live Electrical CB163B 63A Curve B 10kA MCB
    Delivery usually within 1 - 2 working days *
    SKU: CB163B
    £2.95
    Live Electrical EN4030/200 IP65 Metal Enclosure H:400 x W:300 x D:200mm

    Live Electrical EN4030/200 IP65 Metal Enclosure H:400 x W:300 x D:200mm
    Delivery usually within 1 - 2 working days *
    SKU: EN4030/200
    £46.75
    WCED WME44100 4 Pole 100A Metal Meter Isolator

    WCED WME44100 4 Pole 100A Metal Meter Isolator
    Delivery usually within 1 - 3 working days *
    SKU: WME44100
    £17.09
    Live Electrical SA140 Live Electrical 1 Pole 20kA/40kA Type 2 Surge Protective Device

    Live Electrical SA140 1 Pole 20kA/40kA Type 2 Surge Protective Device
    8 in stock
    More available within 1 - 2 working days *
    SKU: SA140
    £9.55
    Live Electrical RNA16B-030 RCBO A Type DP Bi-Directional 16A B Curve 30mA

    Live Electrical RNA16B-030 RCBO A Type DP Bi-Directional 16A B Curve 30mA
    Delivery usually within 1 - 3 working days *
    SKU: RNA16B-030
    £10.43
    Hager ADB440G Hager ADB440G 40A B Type RCBO 6kA 30mA

    Hager ADB440G 40A B Type RCBO 6kA 30mA
    7 in stock
    More available within 1 - 3 working days *
    SKU: ADB440G
    £12.99
    Hager MTN132 MCB 6kA B-32

    Hager MTN132 MCB 6kA B-32
    2 in stock
    More available within 1 - 3 working days *
    SKU: MTN132
    £2.38
    WCED WPEPME08/C40 PME / PEN Fault Detection IP65 Unit 6 Mod c/w C40 RCBO /4P63A Contactor & PME Relays

    PME / PEN Fault Detection IP65 Unit 6 Mod c/w C40 RCBO /4P63A Contactor & PME Relays
    Delivery usually within 1 - 3 working days *
    SKU: WPEPME08/C40
    Quantity Discount
    Quantity Price
    1 £79.50
    2+ £77.91
    3+ £77.12
    £79.50
    WCED WMEPME10/LB PME Fault Detection Unit with Load Management 10 Mod c/w C40 RCBO Relays and SPD 1

    PME / PEN Fault Detection Unit with Load Management 10 Mod c/w C40 RCBO Relays and SPD
    Delivery usually within 1 - 3 working days *
    SKU: WMEPME10/LB
    Quantity Discount
    Quantity Price
    1 £127.40
    2+ £124.85
    3+ £123.58
    £127.40
    FuseBox RTB630304M FuseBox RTB630304M 63A 4 Pole 30MA Type B RCD

    FuseBox RTB630304M 63A 4 Pole 30mA Type B RCD
    Delivery usually within 2 - 3 working days *
    SKU: RTB630304M
    £137.70
    WCED 3 Way Garage Metal SPD Consumer Unit with 6/16A RCBOs

    WCED 3 Way Garage Metal SPD Consumer Unit with 6/16A RCBOs
    Delivery usually within 1 - 3 working days *
    SKU: WME06/SP/G/616
    £51.45
    WCED WHP240-030 ️Type B HP 40A RCD for Heat Pumps & Inverters

    ️Type B HP 40A RCD for Heat Pumps & Inverters
    Delivery usually within 1 - 3 working days *
    SKU: WHP240-030
    Quantity Discount
    Quantity Price
    1 £104.96
    2+ £99.71
    3+ £97.09
    £104.96
     Hager VAT21 Terminal Bar 21 Way with Two Support Clips

     Hager VAT21 Terminal Bar 21 Way with Two Support Clips
    Delivery usually within 1 - 3 working days *
    SKU: VAT21
    £9.05
    Fire Retardant Consumer Unit / Meter Board 12" x 12" ( 304 x 304mm )

    Fire Retardant Consumer Unit / Meter Board 12″ x 12″ ( 304 x 304mm )
    25 in stock
    More available within 1 - 3 working days *
    SKU: MB1212
    £11.90
    WCED Type A Bi-Directional Curve B 10A 30mA RCBO - WRB110B-030

    WCED Type A Bi-Directional Curve B 10A 30mA RCBO – WRB110B-030
    Delivery usually within 1 - 3 working days *
    SKU: WRB110B-030
    £9.99

    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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