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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)

    EV Circuit Protection

    EV Circuit Protection (105)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (125)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (93)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (175)

    Switch Gear

    Switch Gear (266)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Showing 261–280 of 2331 results

    Live Electrical LSMC14M-SP Live Electrical 11 Way SPD Metal Consumer Unit 1Live Electrical LSMC14M-SP Live Electrical 11 Way SPD Metal Consumer Unit 2

    Live Electrical 11 Way SPD Metal Consumer Unit
    Delivery usually within 1 - 2 working days*
    SKU: LSMC14M-SP
    £46.12
    Live Electrical RI440 40A Weatherproof Rotary Isolator Switch 4 Pole 1

    Live Electrical RI440 4 Pole 40A IP65 Rotary Isolator Switch
    Delivery usually within 1 - 2 working days*
    SKU: RI440
    £15.90
    FuseBox MT10C323 FuseBox MT10C323 32A Triple Pole 10kA C Curve MCB

    FuseBox MT10C323 32A Triple Pole 10kA C Curve MCB
    5 In Stock
    More available within 2 - 3 working days*
    SKU: MT10C323
    £9.51
    Live Electrical 5 Way SPD Metal Consumer Unit Kit with 4 RCBOs

    Live Electrical 5 Way SPD Metal Consumer Unit Kit with 4 RCBOs
    In Stock
    SKU: LSMC8M-SP/4RCBO
    £75.91
    Live Electrical RNC16B-30N – 16A Double Pole Single Module RCBO

    Live Electrical | RNC116B-030N | 6kA 30mA | Type A B Curve | Bi-Directional Double Pole RCBO | 16A
    94 In Stock
    More available within 1 - 3 working days*
    SKU: RNC116B-030N
    £9.75
     Hager VAT21 Terminal Bar 21 Way with Two Support Clips

     Hager VAT21 Terminal Bar 21 Way with Two Support Clips
    Delivery usually within 3 - 4 working days*
    SKU: VAT21
    £11.14
    Live Electrical 10kA RCBO 40A Curve C Type A 30mA 1P+N

    Live Electrical 10kA RCBO 40A Curve C Type A 30mA 1P+N
    27 In Stock
    More available within 1 - 2 working days*
    SKU: RA140C-030
    £10.99
    Live Electrical LSFS100 - 6 Way Metal 125A Fuse Switch Box with 100A Main Switch and Surge Protection

    Live Electrical LSFS100/3F – 6 Way Metal 125A Fuse Switch Box with 100A Main Switch and Surge Protection
    10 In Stock
    More available within 1 - 3 working days*
    SKU: LSFS100/3F
    £58.50
    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
    WCED WME44100 4 Pole 100A Metal Meter Isolator

    WCED WME44100 4 Pole 100A Metal Meter Isolator
    9 In Stock
    More available within 1 - 3 working days*
    SKU: WME44100
    £15.90
    WCED WPGU04/616 Plastic IP65 Garage Consumer Unit - 63A Type A RCD 6A/16A B MCBs

    WCED WPGU04/616 Plastic IP65 Garage Consumer Unit – 63A Type A RCD 6A/16A B MCBs
    Delivery usually within 1 - 3 working days*
    SKU: WPGU04/616
    Quantity Discount
    Quantity Price
    1 - 2 £22.15
    3+ £21.60
    5+ £21.04
    10+ £20.49
    £22.15
    WCED Consumer Unit Kit with SPD and 4 RCBOs

    WCED Consumer Unit Kit with SPD and 4 RCBOs
    Delivery usually within 1 - 3 working days*
    SKU: WME8/SP/4RCBO
    £69.89
    Hager MTN132 MCB 6kA B-32

    Hager MTN132 MCB 6kA B-32
    2 In Stock
    More available within 3 - 4 working days*
    SKU: MTN132
    £2.45
    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
    6 In Stock
    More available within 1 - 2 working days*
    SKU: SA140
    £9.55
    Fire Retardant Consumer Unit / Meter Board 12" x 12" ( 304 x 304mm )

    Fire Retardant Consumer Unit / Meter Board 12″ x 12″ ( 304 x 304mm )
    21 In Stock
    More available within 1 - 3 working days*
    SKU: MB1212
    £11.90
    FuseBox RTB630302M FuseBox RTB630302M 63A Double Pole Type B RCD

    FuseBox RTB630302M 63A Double Pole Type B RCD
    2 In Stock
    More available within 2 - 3 working days*
    SKU: RTB630302M
    £114.00
    WCED WSPDTE-2 2 Pole 2 Module Type 1 SPD Surge Protection Device

    WCED WSPDTE-2 2 Pole 2 Module Type 1 SPD Surge Protection Device
    9 In Stock
    More available within 1 - 3 working days*
    SKU: WSPDTE-2
    £53.27
    Live Electrical LEV440SP-P IP65 EV Consumer Unit C40 RCBO + Type 2 SPD + Busbar

    Live Electrical LEV440SP-P IP65 EV Consumer Unit C40 RCBO + Type 2 SPD + Busbar
    Delivery usually within 1 - 2 working days*
    SKU: LEV440SP-P
    Quantity Discount
    Quantity Price
    1 - 2 £30.99
    3+ £29.44
    5+ £28.67
    10+ £26.96
    20+ £25.41
    £30.99
    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
    £45.40
    Live Electrical MMGU32B-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 32A B Curve Type A

    Live Electrical MMGU32B-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 32A B Curve Type A
    1 In Stock
    More available within 1 - 2 working days*
    SKU: MMGU32B-SP
    Quantity Discount
    Quantity Price
    1 - 2 £30.99
    3+ £29.44
    5+ £28.67
    10+ £26.96
    20+ £25.41
    £30.99

    Showing 261–280 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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