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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1914)

    Consumer Units

    Consumer Units (477)

    Circuit Protection Devices

    Circuit Protection Devices (1070)

    EV Circuit Protection

    EV Circuit Protection (107)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (127)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (93)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (175)

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    Switch Gear (267)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    FuseBox MT06C631 63A C Curve MCB

    FuseBox MT06C631 63A C Curve MCB
    30 In Stock
    More available within 2 - 3 working days*
    SKU: MT06C631
    £2.95
    FuseBox MT10C401 FuseBox MT10C401 40A Single Pole 10kA C Curve MCB

    FuseBox MT10C401 40A Single Pole 10kA C Curve MCB
    7 In Stock
    More available within 2 - 3 working days*
    SKU: MT10C401
    £3.22
    FuseBox RTA104030B FuseBox RTA104030B 40A 10kA 30mA B Curve Type A RCBO

    FuseBox RTA104030B 40A 10kA 30mA B Curve Type A RCBO
    24 In Stock
    More available within 2 - 3 working days*
    SKU: RTA104030B
    £15.99
    WLB110 Monitoring Relay

    WLB110 Monitoring Relay
    Delivery usually within 1 - 3 working days*
    SKU: WCT24-100LB
    £40.49
    G-ProKit GPRO-3PH-METERKIT G-ProBox 100A Three-Phase DIN Rail Metering Kit in Metal Enclosure 1

    G-ProBox 100A Three-Phase DIN Rail Metering Kit in Metal Enclosure
    Delivery usually within 1 - 3 working days*
    SKU: GPRO-3PH-METERKIT
    £263.25
    WCED Consumer Unit Kit with SPD and 15 RCBOs

    WCED Consumer Unit Kit with SPD and 15 RCBOs
    In Stock
    SKU: WME22/SP/15RCBO
    £186.81
    FuseBox RTF630302 Type F RCD 63A 30mA 2P

    FuseBox RTF630302 Type F RCD 63A 30mA 2P
    Delivery usually within 1 - 3 working days*
    SKU: RTF630302
    £46.80
    Hager KF81A Connection Terminal 1P Prong 1x25mm² - Pack of 1

    Hager KF81A Connection Terminal 1P Prong 1x25mm² – Pack of 1
    Delivery usually within 1 - 3 working days*
    SKU: KF81A
    £6.45
    Live Electrical LSMC06/100 100A Main Switch 4 Way Consumer Unit

    Live Electrical LSMC06/100 100A Main Switch 4 Way Consumer Unit
    16 In Stock
    More available within 1 - 3 working days*
    SKU: LSMC06/100
    £23.37
    WCED WKC140B 10kA 1 Pole MCB Curve B 40A

    WCED WKC140B 10kA 1 Pole MCB Curve B 40A
    7 In Stock
    More available within 1 - 3 working days*
    SKU: WKC140B
    Quantity Discount
    Quantity Price
    1 - 4 £3.28
    5+ £3.15
    10+ £3.07
    £3.28
    Live Electrical RNC06B-30N – 6A Double Pole Single Module RCBO

    Live Electrical RNC06B-30N – B6A Double Pole Single Module RCBO
    Delivery usually within 1 - 3 working days*
    SKU: RNC06B-30N
    £10.53
    Fusebox EV40AXBD EV Consumer Unit 100A Main Switch 30mA 40A Bi-Directional RCBO and SPD

    Fusebox EV40AXBD EV Consumer Unit 100A Main Switch 30mA B40A Bi-Directional RCBO and SPD
    Out of Stock
    This item cannot be back-ordered
    SKU: EV40AXBD
    £59.99
    Read more
    Live Electrical AMR132C-030 30mA 6kA Type A C Curve 32A Bi-Directional RCBO

    Live Electrical AMR132C-030 30mA 6kA Type A C Curve 32A Bi-Directional RCBO
    9 In Stock
    More available within 1 - 3 working days*
    SKU: AMR132C-030
    £8.66
    Hager VM04CB Hager VM04CB 25mmx30mm Closed Meter Tail Plate

    Hager VM04CB 25mmx30mm Closed Meter Tail Plate
    13 In Stock
    More available within 1 - 3 working days*
    SKU: VM04CB
    £1.50
    Hager MTN116 MCB 6kA B-16

    Hager MTN116 MCB 6kA B-16
    3 In Stock
    More available within 1 - 3 working days*
    SKU: MTN116
    £2.38
    Fusebox AFMF18 18 Module Flush Mounting Frame Kit

    Fusebox AFMF18 18 Module Flush Mounting Frame Kit
    4 In Stock
    More available within 2 - 3 working days*
    SKU: AFMF18
    £17.55
    Live Electrical 18 Edition 20 Way Dual Row SPD Consumer Unit

    Live Electrical 18 Edition 20 Way Dual Row SPD Consumer Unit
    Delivery usually within 1 - 2 working days*
    SKU: MCU24M-SP
    £79.00
    Live Electrical EN3030/200 IP65 Metal Enclosure, 300x300x200mm, steel construction with RAL7035 epoxy powder coat, includes galvanised mounting plate and polyurethane foamed gasket for watertight sealing.

    Live Electrical EN3030/200 IP65 Metal Enclosure H:300 x W:300 x D:200mm
    Delivery usually within 1 - 2 working days*
    SKU: EN3030/200
    £37.29
    Envirograf Intumescent Strip SCUB1 – 100x60mm

    Envirograf Intumescent Strip SCUB1 for Metal Consumer Units – 100x60mm
    21 In Stock
    More available within 1 - 3 working days*
    SKU: SCUB1
    £3.18
    WCED WMCU440SP Whitecliffe Metal Unit 100A Main Switch and Type 2 SPD Surge Protection

    WCED WMCU440SP Whitecliffe Metal Unit 100A Main Switch and Type 2 SPD Surge Protection
    4 In Stock
    More available within 1 - 3 working days*
    SKU: WMCU440SP
    £37.65

    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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