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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1883)

    Consumer Units

    Consumer Units (469)

    Circuit Protection Devices

    Circuit Protection Devices (1052)

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    EV Circuit Protection (105)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (125)

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    Three Phase Distribution Boards (93)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (175)

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    Switch Gear (266)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Showing 341–360 of 2331 results

    Live Electrical MCFS100 Live Electrical 125A Fused Switch With Metal Lid 1

    Live Electrical 125A Fused Switch With Metal Lid
    Delivery usually within 1 - 2 working days*
    SKU: MCFS100
    £25.90
    Live Electrical CB350C Live Electrical CB350C 3 Pole 50A C Curve 10kA MCB 1

    Live Electrical | CB350C | 10kA | Curve C | 3 Pole Bi-Directional MCB | 50A
    7 In Stock
    More available within 1 - 2 working days*
    SKU: CB350C
    £9.07
    WCED WRB120C-030 WCED Type A High Immunity Curve C 20A 30mA RCBO 1

    WCED Type A High Immunity Curve C 20A 30mA RCBO
    11 In Stock
    More available within 1 - 3 working days*
    SKU: WRB120C-030
    £9.00
    WCED WER20C-030 WCED Double Pole Type A 30mA RCBO Curve C - 20A

    WCED Double Pole Type A 30mA RCBO Curve C – 20A
    Delivery usually within 1 - 3 working days*
    SKU: WER20C-030
    £15.09
    Live Electrical 3 Way SPD Metal Garage Consumer Unit Kit with 2 RCBOs

    Live Electrical 3 Way SPD Metal Garage Consumer Unit Kit with 2 RCBOs
    Delivery usually within 1 - 3 working days*
    SKU: LSMC6M-SP/2RCBO
    £54.00
    WCED WFD132B-030 Bi-Directional Type A 30mA B Curve 32A AFDD

    WCED WFD132B-030 Bi-Directional Type A 30mA B Curve 32A AFDD
    1 In Stock
    More available within 1 - 3 working days*
    SKU: WFD132B-030
    Quantity Discount
    Quantity Price
    1 - 2 £79.75
    3+ £76.56
    5+ £74.17
    £79.75
    Niglon RCBO1-10/30SSAX 10A Curve B 30mA A Type RCBO

    Niglon RCBO1-10/30SSAX 10A Curve B 30mA A Type RCBO
    46 In Stock
    More available within 1 - 3 working days*
    SKU: RCBO1-10/30SSAX
    £11.12
    Live Electrical MAC4P63 Live Electrical MAC4P63 63A Modular AC Contactor 4 Pole NO 1

    Live Electrical MAC4P63 – 4 Pole 63A 4NO 230V AC Modular Contactor
    Delivery usually within 1 - 2 working days*
    SKU: MAC4P63
    £18.99
    Live Electrical BUSBAR CAP RED Busbar Cap - Pack of 100

    Busbar Cap – Pack of 100
    1 In Stock
    More available within 1 - 2 working days*
    SKU: BUSBAR CAP RED
    £4.50
    WCED WMCUSP432B 3 Phase SPD with 32A Curve B 4 Pole MCB

    WCED WMCUSP432B 3 Phase SPD with 32A Curve B 4 Pole MCB
    Delivery usually within 1 - 3 working days*
    SKU: WMCUSP432B
    £51.38
    FuseBox MT10C101 FuseBox MT10C101 10A Single Pole 10kA C Curve MCB

    FuseBox MT10C101 10A Single Pole 10kA C Curve MCB
    17 In Stock
    More available within 2 - 3 working days*
    SKU: MT10C101
    £3.22
    WCED BBF2100 WCED 2 Pole 100A Busbar Forked Type - 13 Ways

    WCED 2 Pole 100A Busbar Forked Type – 13 Ways
    3 In Stock
    More available within 1 - 3 working days*
    SKU: BBF2100
    £9.80
    Live Electrical LSMC10M-SP Live Electrical 7 Way SPD Metal Consumer Unit 1

    Live Electrical 7 Way SPD Metal Consumer Unit
    5 In Stock
    More available within 1 - 2 working days*
    SKU: LSMC10M-SP
    £41.90
    Live Electrical DCM216C 2 Pole C Curve 6kA 16A 600V DC MCB

    Live Electrical DCM216C 2 Pole C Curve 6kA 16A 600V DC MCB
    6 In Stock
    More available within 1 - 2 working days*
    SKU: DCM216C
    £9.50
    WCED WKC120B 10kA 1 Pole MCB Curve B 20A

    WCED | WKC120B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 20A
    18 In Stock
    More available within 1 - 3 working days*
    SKU: WKC120B
    £2.96
    Hager VM03CE Hager VM03CE 30mm x 40mm Open Cable Entry Plate

    Hager VM03CE 30mm x 40mm Open Cable Entry Plate
    24 In Stock
    This item cannot be back-ordered
    SKU: VM03CE
    £1.50
    Live Electrical CB306C Live Electrical CB306C 3 Pole 6A 10kA MCB 1

    Live Electrical | CB306C | 10kA | Curve C | 3 Pole Bi-Directional MCB | 6A
    11 In Stock
    More available within 1 - 2 working days*
    SKU: CB306C
    £8.37
    Live Electrical TPN04-125 Live Electrical TPN04-125 125A 4 Way TPN Distribution Board 1

    Live Electrical TPN04-125 125A 4 Way TPN Distribution Board
    Delivery usually within 1 - 2 working days*
    SKU: TPN04-125
    £87.35
    Hager MTN140 MCB 6kA B-40

    Hager MTN140 MCB 6kA B-40
    6 In Stock
    More available within 3 - 4 working days*
    SKU: MTN140
    £2.45
    Live Electrical CB316B Live Electrical CB316B 3 Pole 16A B Curve 10kA MCB 1

    Live Electrical | CB316B | 10kA | Curve B | 3 Pole Bi-Directional MCB | 16A
    5 In Stock
    More available within 1 - 2 working days*
    SKU: CB316B
    £8.37

    Showing 341–360 of 2331 results

    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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