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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1878)

    Consumer Units

    Consumer Units (448)

    Circuit Protection Devices

    Circuit Protection Devices (1058)

    EV Circuit Protection

    EV Circuit Protection (107)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (120)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (90)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (173)

    Switch Gear

    Switch Gear (260)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    WCED WMS4100 WCED 4 Pole 100A Main Switch

    WCED 4 Pole 100A Main Switch
    8 in stock
    More available within 1 - 3 working days *
    SKU: WMS4100
    £8.03
    WCED 4 Pole 230/400V 32A NO Normally Open AC Modular Contactor

    WCED WAC4P32 – 4 Pole 32A 4NO 230V AC Modular Contactor
    Delivery usually within 1 - 3 working days *
    SKU: WAC4P32
    Quantity Discount
    Quantity Price
    1 - 2 £13.99
    3+ £13.64
    5+ £13.29
    10+ £12.94
    20+ £12.59
    £13.99
    Live Electrical RA220B-030 Live Electrical Double Pole Type A RCBO - Curve B - 20A 1

    Live Electrical Double Pole Type A RCBO – Curve B – 20A
    Delivery usually within 1 - 2 working days *
    SKU: RA220B-030
    £16.06
    FuseBox MT10B501 FuseBox MT10B501 50A Single Pole 10kA B Curve MCB

    FuseBox MT10B501 50A Single Pole 10kA B Curve MCB
    17 in stock
    More available within 2 - 3 working days *
    SKU: MT10B501
    £3.34
    FuseBox MT10C501 FuseBox MT10C501 50A Single Pole 10kA C Curve MCB

    FuseBox MT10C501 50A Single Pole 10kA C Curve MCB
    2 in stock
    More available within 2 - 3 working days *
    SKU: MT10C501
    £3.34
    FuseBox MT10C632 FuseBox MT10C632 63A Double Pole 10kA C Curve MCB

    FuseBox MT10C632 63A Double Pole 10kA C Curve MCB
    3 in stock
    More available within 2 - 3 working days *
    SKU: MT10C632
    £6.95
    FuseBox MT10B503 FuseBox MT10B503 50A Triple Pole 10kA B Curve MCB

    FuseBox MT10B503 50A Triple Pole 10kA B Curve MCB
    11 in stock
    More available within 2 - 3 working days *
    SKU: MT10B503
    £9.88
    FuseBox TPNSPLFB Fusebox TPNSPLFB 125A Single Phasing Conversion Kit

    Fusebox TPNSPLFB 125A Single Phasing Conversion Kit
    7 in stock
    More available within 2 - 3 working days *
    SKU: TPNSPLFB
    £1.99
    Live Electrical TPN14-125S Live Electrical 125 Amp 14 Way TPN Distribution Board with SPD 1

    Live Electrical TPN14-125S 125 Amp 14 Way TPN Distribution Board with SPD
    Delivery usually within 1 - 2 working days *
    SKU: TPN14-125S
    £207.58
    PME / PEN Fault Detection Unit with Load Management 12 Mod c/w C40 RCBO Relays and SPD

    PME / PEN Fault Detection Unit with Load Management 12 Mod c/w C40 RCBO Relays and SPD
    Delivery usually within 1 - 3 working days *
    SKU: WMEPME12/LB
    Quantity Discount
    Quantity Price
    1 £134.40
    2+ £131.71
    3+ £130.37
    £134.40
    Live Electrical SP1401P+N/2 Type 2 SPD Surge Protection Device

    Live Electrical SP1401P+N/2 Type 2 SPD Surge Protection Device
    Delivery usually within 1 - 2 working days *
    SKU: SP1401P+N/2
    £12.03
    Live Electrical AMR140C-030 30mA Type A 40A 6kA C Curve Bi-Directional RCBO

    Live Electrical AMR140C-030 30mA Type A 40A 6kA C Curve Bi-Directional RCBO
    1 in stock
    More available within 1 - 2 working days *
    SKU: AMR140C-030
    £8.66
    Hager ADC906R Hager 30mA Type A 6A 6kA C Curve 1M 1P+N Bi-Directional RCBO

    Hager ADC906R 30mA Type A 6A 6kA C Curve 1M 1P+N Bi-Directional RCBO
    2 in stock
    More available within 1 - 3 working days *
    SKU: ADC906R
    £19.43
    FuseBox RTF400302 Type F RCD 40A 30mA 2P

    FuseBox RTF400302 Type F RCD 40A 30mA 2P
    3 in stock
    More available within 1 - 3 working days *
    SKU: RTF400302
    £44.20
    Live Electrical MMGU32C-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 32 C Curve Type A

    Live Electrical MMGU32C-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 32 C Curve Type A
    5 in stock
    More available within 1 - 2 working days *
    SKU: MMGU32C-SP
    Quantity Discount
    Quantity Price
    1 - 2 £30.99
    3+ £29.44
    5+ £28.67
    10+ £26.96
    20+ £25.41
    £30.99
    DDS353 45A Direct Connected MID Certified kWh Meter

    DDS353 45A Direct Connected MID Certified kWh Meter
    2 in stock
    More available within 1 - 3 working days *
    SKU: DDS353
    £17.99
    FuseBox Bi-Directional Mini RCBO 06A C Curve 30mA Type A - Compact and Reliable Protection

    FuseBox Bi-Directional Mini RCBO 40A C Curve 30mA Type A
    32 in stock
    More available within 1 - 3 working days *
    SKU: RTAMC40BD
    £13.94
    Live Electrical CB240B 2 Pole MCB 40A B Curve

    Live Electrical CB240B 2 Pole 10kA MCB 40A B Curve
    Delivery usually within 1 - 3 working days *
    SKU: CB240B
    £5.89
    Live Electrical MDAC2P25/24V 2 Pole 25A 2NO AC Contactor/24V DC Coil

    Live Electrical MDAC2P25/24V – 2 Pole 25A 2NO 24V DC Coil Modular Contactor
    Delivery usually within 1 - 3 working days *
    SKU: MDAC2P25/24V
    £19.00
    Live Electrical LSMC10/100 100A Main Switch 8 Way Consumer Unit

    Live Electrical LSMC10/100 100A Main Switch 8 Way Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: LSMC10/100
    £27.52

    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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