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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)

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    Switch Fuses - Isolators (175)

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    Switch Gear (266)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Showing 781–800 of 2331 results

    FuseBox EV40B EV Charger Consumer Unit Type B 40A 30mA RCD

    FuseBox EV40B EV Charger Consumer Unit Type B 40A 30mA RCD
    6 In Stock
    More available within 2 - 3 working days*
    SKU: EV40B
    £137.39
    FuseBox INC634 63A 4 Pole 230V NO Normally Open AC Modular Contactor

    FuseBox INC634 – 4 Pole 63A 4NO 230V AC Modular Contactor
    7 In Stock
    More available within 2 - 3 working days*
    SKU: INC634
    £15.50
    WCED WME22 WCED 22 Way Metal Enclosure 1

    WCED 22 Way Metal Enclosure
    Delivery usually within 1 - 3 working days*
    SKU: WME22
    Quantity Discount
    Quantity Price
    1 - 4 £34.39
    5+ £33.53
    10+ £32.67
    20+ £31.81
    £34.39
    WCED WMC110B WCED Miniature Circuit Breaker 6kA Curve B - 10A 1

    WCED Miniature Circuit Breaker 6kA Curve B – 10A
    Delivery usually within 1 - 3 working days*
    SKU: WMC110B
    £1.53
    Fusebox FMS080 80A Main Switch Fused

    Fusebox FMS080 80A Main Switch Fused
    6 In Stock
    More available within 2 - 3 working days*
    SKU: FMS080
    £14.95
    Live Electrical CS3P25 Live Electrical 3 Pole 25A Changeover Switch 1

    Live Electrical CS3P25 3 Pole 25A Changeover Switch
    Delivery usually within 1 - 2 working days*
    SKU: CS3P25
    £23.90
    WCED 4 Pole 25A 24V NO Normally Open AC Modular Contactor

    WCED WAC4P25/24 – 4 Pole 25A 4NO 24V AC Modular Contactor
    10 In Stock
    More available within 1 - 3 working days*
    SKU: WAC4P25/24
    Quantity Discount
    Quantity Price
    1 - 2 £14.16
    3+ £13.81
    5+ £13.45
    10+ £13.10
    20+ £12.74
    £14.16
    FuseBox MT10C062 FuseBox MT10C062 6A Double Pole 10kA C Curve MCB

    FuseBox MT10C062 6A Double Pole 10kA C Curve MCB
    11 In Stock
    More available within 2 - 3 working days*
    SKU: MT10C062
    £6.68
    FuseBox MT10C063 FuseBox MT10C063 6A Triple Pole 10kA C Curve MCB

    FuseBox MT10C063 6A Triple Pole 10kA C Curve MCB
    16 In Stock
    More available within 2 - 3 working days*
    SKU: MT10C063
    £9.51
    FuseBox RTA102530B FuseBox RTA102530B 25A 30mA 10kA B Curve Type A RCBO

    FuseBox RTA102530B 25A 30mA 10kA B Curve Type A RCBO
    8 In Stock
    More available within 2 - 3 working days*
    SKU: RTA102530B
    £15.99
    FuseBox IT1003U Fusebox IT1003U 100A 3 Pole Din Rail Connector

    Fusebox IT1003U 100A 3 Pole Din Rail Connector
    6 In Stock
    More available within 2 - 3 working days*
    SKU: IT1003U
    £16.19
    Live Electrical RDA4100-030 4 Pole Type A 100A 30mA RCD

    Live Electrical | RDA4100-030 | 4 Pole | Bi-Directional Type A RCD | 6kA | 30mA | 100A
    Delivery usually within 1 - 2 working days*
    SKU: RDA4100-030
    £20.99
    Surge Devices SY2-C40XENC Surge Devices Type 2 20kA/40kA 3 Phase SPD with Window Indication in IP65 Polycarbonate Enclosure

    Surge Devices SY3-C40X/ENC Three Phase Surge Protection Device – Type 2+3 SPD in IP65 Enclosure
    Delivery usually within 3 - 4 working days*
    SKU: SY2-C40XENC
    £162.00
    Surge Devices SY2-C40XLEDENCM Surge Devices Type 2 20kA/40kA 3 Phase SPD with LED Indication & 3P 32A MCB in IP65 Polycarbonate Enclosure

    Surge Devices SY2-C40XLED/ENCM Type 2+3 Three Phase SPD in Enclosure with MCB
    Delivery usually within 3 - 4 working days*
    SKU: SY2-C40XLEDENCM
    £183.00
    Live Electrical DCM210C 2 Pole C Curve 6kA 10A 600V DC MCB

    Live Electrical DCM210C 2 Pole C Curve 6kA 10A 600V DC MCB
    3 In Stock
    More available within 1 - 2 working days*
    SKU: DCM210C
    £9.50
    IP65 Metal A Type 32A C Curve RCBO EV Protection Unit Plus Surge Protection

    IP65 Metal A Type 32A C Curve RCBO EV Protection Unit Plus Surge Protection
    Delivery usually within 1 - 3 working days*
    SKU: WMIP32CSP
    Quantity Discount
    Quantity Price
    1 £44.78
    2+ £43.88
    3+ £42.54
    5+ £41.42
    10+ £40.30
    £44.78
    G-ProKit COMPAC-MET-100A-3PHASE G-ProBox 100A Three-Phase Compact Check Meter 1

    G-ProBox 100A Three-Phase Compact Check Meter
    Delivery usually within 1 - 3 working days*
    SKU: COMPAC-MET-100A-3PHASE
    £80.93
    Hager ADB450G Hager ADB450G 30mA Curve B 6kA 50A Type A 1M 1P RCBO

    Hager | ADB450G | 1P+N | 6kA | 30mA | B Curve | Type A RCBO | 50A
    7 In Stock
    More available within 3 - 4 working days*
    SKU: ADB450G
    £13.55
    FuseBox RTF250302 Type F RCD 25A 30mA 2P

    FuseBox RTF250302 Type F RCD 25A 30mA 2P
    Delivery usually within 1 - 3 working days*
    SKU: RTF250302
    £42.25
    Live Electrical LEV432SP-BP IP65 EV Consumer Unit B32 RCBO + Type 2 SPD + Busbar

    Live Electrical LEV432SP-BP IP65 EV Consumer Unit B32 RCBO + Type 2 SPD + Busbar
    19 In Stock
    More available within 1 - 2 working days*
    SKU: LEV432SP-BP
    Quantity Discount
    Quantity Price
    1 - 2 £30.99
    3+ £29.44
    5+ £28.67
    10+ £26.96
    20+ £25.41
    £30.99

    Showing 781–800 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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