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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 (259)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    WCED 2 Pole 100A Main Switch

    WCED 2 Pole 100A Main Switch
    Delivery usually within 1 - 3 working days *
    SKU: WMS2100
    £4.02
    WCED WMCUSP440C 3 Phase SPD with 40A Curve C 4 Pole MCB

    WCED WMCUSP440C 3 Phase SPD with 40A Curve C 4 Pole MCB
    Delivery usually within 1 - 3 working days *
    SKU: WMCUSP440C
    £59.90
    Live Electrical CB316C Live Electrical CB316C 3 Pole 16A C Curve 10kA MCB 1

    Live Electrical CB316C 3 Pole 16A C Curve 10kA MCB
    9 in stock
    More available within 1 - 2 working days *
    SKU: CB316C
    £8.37
    FuseBox RTA103230C FuseBox RTA103230C 32A 10kA 30mA C Curve Type A RCBO

    FuseBox RTA103230C 32A 10kA 30mA C Curve Type A RCBO
    60 in stock
    More available within 2 - 3 working days *
    SKU: RTA103230C
    £15.99
    WCED WKB132B WCED 1 Pole 32A B Curve 10 kA MCB 1

    WCED 1 Pole 32A Curve B 10kA MCB
    Delivery usually within 1 - 3 working days *
    SKU: WKB132B
    Quantity Discount
    Quantity Price
    1 - 4 £3.35
    5+ £3.22
    10+ £3.13
    £3.35
    Live Electrical 10kA RCBO 40A Curve B Type A 30mA 1P+N

    Live Electrical 10kA RCBO 40A Curve B Type A 30mA 1P+N
    78 in stock
    More available within 1 - 2 working days *
    SKU: RA140B-030
    £10.24
    Live Electrical CB116C Live Electrical CB116C 16A Curve C 10kA MCB 1

    Live Electrical CB116C 16A Curve C 10kA MCB
    19 in stock
    More available within 1 - 2 working days *
    SKU: CB116C
    £2.95
    IP65 Metal A Type 40A B Curve RCBO EV Protection Unit Plus Surge Protection

    IP65 Metal A Type 40A B Curve RCBO EV Protection Unit Plus Surge Protection
    Delivery usually within 1 - 3 working days *
    SKU: WMIP40BSP
    Quantity Discount
    Quantity Price
    1 £47.35
    2+ £46.31
    3+ £44.98
    5+ £43.80
    10+ £42.62
    £47.35
    Live Electrical CB332B Live Electrical CB332B 3 Pole 32A B Curve 10kA MCB 1

    Live Electrical CB332B 3 Pole 32A B Curve 10kA MCB
    Delivery usually within 1 - 2 working days *
    SKU: CB332B
    £8.37
    FuseBox RTA065030B 30mA Curve B 50A Type A RCBO

    FuseBox RTA065030B 30mA Curve B 50A Type A RCBO
    116 in stock
    More available within 2 - 3 working days *
    SKU: RTA065030B
    £9.99
    Live Electrical MMGU40C-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 40A C Curve Type A

    Live Electrical MMGU40C-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 40A C Curve Type A
    Delivery usually within 1 - 2 working days *
    SKU: MMGU40C-SP
    Quantity Discount
    Quantity Price
    1 - 2 £30.99
    3+ £29.44
    5+ £28.67
    10+ £26.96
    20+ £25.41
    £30.99
    Live Electrical LSFS125 3-Phase Metal Switch Fuse Box

    Live Electrical LSFS125 3-Phase Metal Switch Fuse Box
    8 in stock
    More available within 1 - 3 working days *
    SKU: LSFS125
    £56.58
    Live Electrical LEV440SP-BP IP65 EV Consumer Unit B40 RCBO + Type 2 SPD + Busbar

    Live Electrical LEV440SP-BP IP65 EV Consumer Unit B40 RCBO + Type 2 SPD + Busbar
    Delivery usually within 1 - 2 working days *
    SKU: LEV440SP-BP
    Quantity Discount
    Quantity Price
    1 - 2 £30.99
    3+ £29.44
    5+ £28.67
    10+ £26.96
    20+ £25.41
    £30.99
    FuseBox RTA102030B FuseBox RTA102030B 20A 30mA 10kA B Curve Type A RCBO

    FuseBox RTA102030B 20A 30mA 10kA B Curve Type A RCBO
    14 in stock
    More available within 2 - 3 working days *
    SKU: RTA102030B
    £15.99
    Live Electrical LEVB240 2 Way Metal Enclosure c/w 40A Type A Double Pole RCBO 1Live Electrical LEVB240 2 Way Metal Enclosure c/w 40A Type A Double Pole RCBO 2

    2 Way Metal Enclosure c/w 40A Type A Double Pole RCBO
    1 in stock
    More available within 1 - 2 working days *
    SKU: LEVB240
    £29.50 £22.50
    Live Electrical CB110B Live Electrical CB110B 10A Curve B 10kA MCB 1

    Live Electrical CB110B 10A Curve B 10kA MCB
    18 in stock
    More available within 1 - 2 working days *
    SKU: CB110B
    £2.95
    WCED WEC440SPT12 WCED Stand Alone Type 1 & 2 SPD with Main Switch 1

    WCED Whitecliffe WEC440SPT12 Stand Alone Type 1 & 2 SPD with Main Switch
    Delivery usually within 1 - 3 working days *
    SKU: WEC440SPT12
    Quantity Discount
    Quantity Price
    1 £74.25
    2+ £70.54
    3+ £68.68
    5+ £66.83
    £74.25
    Garo DNO5E 100A green 5 way terminal block designed for protective earth wiring, compatible with 2.5mm² to 35mm² cables in electrical installations.

    Garo DNO5E 100A 5 Way Green Terminal Block
    49 in stock
    More available within 1 - 3 working days *
    SKU: DNO5E
    Quantity Discount
    Quantity Price
    1 - 9 £3.50
    10+ £3.40
    20+ £3.33
    50+ £3.26
    £3.50
    Live Electrical 7 Way SPD Metal Consumer Unit Kit with 5 RCBOsLive Electrical 7 Way SPD Metal Consumer Unit Kit with 5 RCBOs 5

    Live Electrical 7 Way SPD Metal Consumer Unit Kit with 5 RCBOs
    Delivery usually within 1 - 2 working days *
    SKU: LSMC10M-SP/5RCBO
    £85.37
    Live Electrical AMR132B-100 100mA Bi-Directional Type A Compact RCBO 32A B Curve

    Live Electrical AMR132B-100 100mA Bi-Directional Type A Compact RCBO 32A B Curve
    11 in stock
    More available within 1 - 3 working days *
    SKU: AMR132B-100
    £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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