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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)

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    Switch Gear (259)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    WCED Double Pole Type A 30mA RCBO Curve B - 10A

    WCED Double Pole Type A 30mA RCBO Curve B – 10A
    6 in stock
    More available within 1 - 3 working days *
    SKU: WER10B-030
    £16.80
    Fusebox TPN11FBX

    Fusebox TPN11FBX 11 Way 125A Three Phase Board with SPD
    Delivery usually within 2 - 3 working days *
    SKU: TPN11FBX
    £225.50
    FuseBox MT10B201 FuseBox MT10B201 20A Single Pole 10kA B Curve MCB

    FuseBox MT10B201 20A Single Pole 10kA B Curve MCB
    18 in stock
    More available within 2 - 3 working days *
    SKU: MT10B201
    £3.22
    FuseBox RTA0630304 Fusebox RTA0630304 63A 4 Pole 30MA Type A RCD

    Fusebox RTA0630304 63A 4 Pole 30mA Type A RCD
    4 in stock
    More available within 2 - 3 working days *
    SKU: RTA0630304
    £21.78
    WCED WEV263B-030 WCED 2 Pole 63A 30mA Type B RCD

    WCED 2 Pole 63A 30mA Type B RCD
    2 in stock
    More available within 1 - 3 working days *
    SKU: WEV263B-030
    Quantity Discount
    Quantity Price
    1 £97.46
    2+ £92.59
    3+ £90.15
    £97.46
    Live Electrical DCM216C 2 Pole C Curve 6kA 16A 600V DC MCB

    Live Electrical DCM216C 2 Pole C Curve 6kA 16A 600V DC MCB
    15 in stock
    More available within 1 - 2 working days *
    SKU: DCM216C
    £9.50
    Live Electrical LSMC08 8 Module Metal Enclosure

    Live Electrical LSMC08 8 Module Metal Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: LSMC08
    £26.44
    WCED WKC120C 10kA 1 Pole MCB Curve C 20A

    WCED WKC120C 10kA 1 Pole MCB Curve C 20A
    Delivery usually within 1 - 3 working days *
    SKU: WKC120C
    Quantity Discount
    Quantity Price
    1 - 4 £3.28
    5+ £3.15
    10+ £3.07
    £3.28
    Live Electrical CB350B Live Electrical CB350B 3 Pole 50A B Curve 10kA MCB 1

    Live Electrical CB350B 3 Pole 50A B Curve 10kA MCB
    9 in stock
    More available within 1 - 2 working days *
    SKU: CB350B
    £9.07
    Live Electrical CB363D Live Electrical CB363D 3 Pole 63A D Curve 10kA MCB 1

    Live Electrical CB363D 3 Pole 63A D Curve 10kA MCB
    5 in stock
    More available within 1 - 2 working days *
    SKU: CB363D
    £9.07
    WCED WME14/SP WCED 11 Way SPD Metal Consumer Unit

    WCED 11 Way SPD Metal Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: WME14/SP
    £48.71
    WCED WME16/SP WCED 13 Way SPD Metal Consumer Unit

    WCED 13 Way SPD Metal Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: WME16/SP
    £52.68
    WCED WME18/SP WCED 15 Way SPD Metal Consumer Unit

    WCED 15 Way SPD Metal Consumer Unit
    3 in stock
    More available within 1 - 3 working days *
    SKU: WME18/SP
    £53.42
    Live Electrical CH1100C-1 Live Electrical CH1100C 100A Curve C 6kA MCB 1

    Live Electrical CH1100C 100A Curve C 6kA MCB
    Delivery usually within 1 - 2 working days *
    SKU: CH1100C-1
    £4.99
    WCED 4 Pole 63A 24V NO Normally Open AC Modular Contactor

    WCED WAC4P63/24 – 4 Pole 63A 4NO 24V AC Modular Contactor
    Delivery usually within 1 - 3 working days *
    SKU: WAC4P63/24
    Quantity Discount
    Quantity Price
    1 - 2 £13.50
    3+ £13.16
    5+ £12.83
    10+ £12.49
    20+ £12.15
    £13.50
    WCED Consumer Unit Kit with SPD and 11 RCBOs

    WCED Consumer Unit Kit with SPD and 11 RCBOs
    Delivery usually within 1 - 3 working days *
    SKU: WME18/SP/11RCBO
    £147.26
    Hager ADC410U Hager ADC410U RCBO 10kA C-10A 30mA Type A

    Hager ADC410U RCBO 10kA C-10A 30mA Type A
    3 in stock
    More available within 1 - 3 working days *
    SKU: ADC410U
    £35.76
    Live Electrical TPNH02-100 2 Way Horizontal TP&N Distribution Board – 100A 4 Pole Main Switch

    Live Electrical TPNH02-100 2 Way Horizontal TP&N Distribution Board – 100A 4 Pole Main Switch
    Delivery usually within 1 - 3 working days *
    SKU: TPNH02-100
    £45.53
    Hager JK1PLATEM Spare Gland Plate 1.2mm

    Hager JK1PLATEM Spare Gland Plate 1.2mm
    1 in stock
    More available within 1 - 3 working days *
    SKU: JK1PLATEM
    £28.61
    WCED 2 Pole 230V 100A NO Normally Open AC Modular Contactor

    WCED WAC2P100 – 2 Pole 100A 2NO 230V AC Modular Contactor
    4 in stock
    More available within 1 - 3 working days *
    SKU: WAC2P100
    Quantity Discount
    Quantity Price
    1 - 2 £25.50
    3+ £24.86
    5+ £24.23
    10+ £23.59
    20+ £22.95
    £25.50

    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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