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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1908)

    Consumer Units

    Consumer Units (478)

    Circuit Protection Devices

    Circuit Protection Devices (1064)

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    EV Circuit Protection (106)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (127)

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    Three Phase Distribution Boards (93)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (174)

    Switch Gear

    Switch Gear (266)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    WCED WMEPME08/SP/C40 PME Fault Detection Unit 8 Mod c/w C40 RCBO /4P63A Contactor SPD & PME Relays

    PME / PEN Fault Detection Unit 8 Mod c/w C40 RCBO /4P63A Contactor SPD & PME Relays
    Delivery usually within 1 - 3 working days*
    SKU: WMEPME08/SP/C40
    Quantity Discount
    Quantity Price
    1 £94.59
    2+ £91.75
    3+ £89.86
    £94.59
    Live Electrical 10kA RCBO 10A Curve B Type A 30mA 1P+N

    Live Electrical 10kA RCBO 10A Curve B Type A 30mA 1P+N
    23 In Stock
    More available within 1 - 2 working days*
    SKU: RA110B-030
    £10.24
    Live Electrical 11 Way SPD Metal Consumer Unit Kit c/w 9 RCBOs

    Live Electrical 11 Way SPD Metal Consumer Unit Kit c/w 9 RCBOs
    In Stock
    SKU: LSMC14M-SP/9RCBO
    £120.60
    Live Electrical CB332C Live Electrical CB332C 3 Pole 32A C Curve 10kA MCB 1

    Live Electrical CB332C 3 Pole 32A C Curve 10kA MCB
    11 In Stock
    More available within 1 - 2 working days*
    SKU: CB332C
    £8.37
    WCED WSPD240KIT2 Type 2 20/40kA SPD Surge Protection Kit with Busbar and Earth Link

    WCED WSPD240KIT2 Type 2 20/40kA SPD Surge Protection Kit with Busbar and Earth Link
    19 In Stock
    More available within 1 - 3 working days*
    SKU: WSPD240KIT2
    £17.80
    Live Electrical 10kA RCBO 6A Curve C Type A 30mA 1P+N

    Live Electrical 10kA RCBO 6A Curve C Type A 30mA 1P+N
    Delivery usually within 1 - 2 working days*
    SKU: RA106C-030
    £10.24
    WCED WMC132B WCED Miniature Circuit Breaker 6kA Curve B - 32A 1

    WCED Miniature Circuit Breaker 6kA Curve B – 32A
    Delivery usually within 1 - 3 working days*
    SKU: WMC132B
    £1.65
    WCED WHA465 WCED 4 Way Empty Plastic Enclosure 1WCED WHA465 WCED 4 Way Empty Plastic Enclosure 2

    WCED 4 Way Empty Plastic Enclosure
    Delivery usually within 1 - 3 working days*
    SKU: WHA4-EV
    Quantity Discount
    Quantity Price
    1 - 4 £10.23
    5+ £9.97
    10+ £9.72
    20+ £9.46
    £10.23
    WCED WFMS100/3F WCED Metal Fused Main Switch with 3 Fuses 1WCED WFMS100/3F WCED Metal Fused Main Switch with 3 Fuses 2

    WCED Metal Fused Main Switch with 3 Fuses
    Delivery usually within 1 - 3 working days*
    SKU: WFMS100/3F
    £29.37
    Hager ADA320G Hager ADA320G RCBO 20 Amp B Type 30mA 6kA

    Hager ADA320G RCBO 20 Amp B Type 30mA 6kA
    32 In Stock
    More available within 1 - 3 working days*
    SKU: ADA320G
    £12.99
    Live Electrical AMR110B-030 30mA Type A 10A 6kA B Curve Bi-Directional RCBO

    Live Electrical AMR110B-030 30mA Type A 10A 6kA B Curve Bi-Directional RCBO
    200 In Stock
    More available within 1 - 2 working days*
    SKU: AMR110B-030
    £8.22
    Live Electrical CB132B Live Electrical CB132B 32A Curve B 10kA MCB 1

    Live Electrical CB132B 32A Curve B 10kA MCB
    Delivery usually within 1 - 2 working days*
    SKU: CB132B
    £2.95
    Live Electrical EMCU3-A 3 Way Empty DIN Rail Metal Enclosure With Lid

    Live Electrical EMCU3-A 3 Way Empty DIN Rail Metal Enclosure With Lid
    Delivery usually within 1 - 2 working days*
    SKU: EMCU3-A
    £9.45
    WCED WMC106B WCED Miniature Circuit Breaker 6kA Curve B - 6A 1

    WCED Miniature Circuit Breaker 6kA Curve B – 6A
    7 In Stock
    More available within 1 - 3 working days*
    SKU: WMC106B
    £1.65
    Live Electrical FU100A22 Live Electrical 100A 22x58 Fuse 1Live Electrical FU100A22 Live Electrical 100A 22x58 Fuse 2

    Live Electrical 100A 22×58 Fuse
    14 In Stock
    More available within 1 - 2 working days*
    SKU: FU100A22
    £1.99
    WCED WME5L/32 WCED Mini CU 5 Way Empty Enclosure

    WCED Mini CU 5 Way Empty Enclosure
    1 In Stock
    More available within 1 - 3 working days*
    SKU: WME5L/32
    Quantity Discount
    Quantity Price
    1 - 4 £12.57
    5+ £12.26
    10+ £11.94
    20+ £11.63
    £12.57
    WCED WRB116C-030 WCED Type A High Immunity Curve C 16A 30mA RCBO 1

    WCED Type A High Immunity Curve C 16A 30mA RCBO
    6 In Stock
    More available within 1 - 3 working days*
    SKU: WRB116C-030
    £9.65
    WCED WMC120B WCED Miniature Circuit Breaker 6kA Curve B - 20A 1

    WCED Miniature Circuit Breaker 6kA Curve B – 20A
    11 In Stock
    More available within 1 - 3 working days*
    SKU: WMC120B
    £1.65
    FuseBox RTAMB16BD Bi-Directional Mini RCBO 16A B Curve 30mA Type A

    FuseBox RTAMB16BD Bi-Directional Mini RCBO 16A B Curve 30mA Type A
    19 In Stock
    More available within 1 - 3 working days*
    SKU: RTAMB16BD
    £14.34
    WCED Double Pole Type A 30mA RCBO Curve B - 40A

    WCED Double Pole Type A 30mA RCBO Curve B – 40A
    1 In Stock
    More available within 1 - 3 working days*
    SKU: WER40B-030
    £18.48

    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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