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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)

    Switch Gear

    Switch Gear (267)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    WCED WHA1265 WCED 12 Way Empty Plastic Enclosure 1

    WCED 12 Way Empty Plastic Enclosure
    Delivery usually within 1 - 3 working days*
    SKU: WHA12-PME
    Quantity Discount
    Quantity Price
    1 - 4 £19.86
    5+ £19.36
    10+ £18.87
    20+ £18.37
    £19.86
    WCED 4 Pole 230/400V 20A NO Normally Open AC Modular Contactor

    WCED WAC4P20 – 4 Pole 20A 4NO 230V AC Modular Contactor
    Delivery usually within 1 - 3 working days*
    SKU: WAC4P20
    Quantity Discount
    Quantity Price
    1 - 2 £9.99
    3+ £9.74
    5+ £9.49
    10+ £9.24
    20+ £8.99
    £9.99
    Live Electrical RA206C-030 Live Electrical Double Pole Type A RCBO - Curve C - 6A 1

    Live Electrical Double Pole Type A RCBO – Curve C – 6A
    Delivery usually within 1 - 2 working days*
    SKU: RA206C-030
    £13.99
    WCED WMEPME12/LBK PME Fault Detection Unit with Load Management 12 Mod c/w C40 RCBO Relays and SPD 1

    PME / PEN Fault Detection Unit with Load Management 12 Mod c/w C40 RCBO Relays Meter and SPD
    Delivery usually within 1 - 3 working days*
    SKU: WMEPME12/LBK
    Quantity Discount
    Quantity Price
    1 £140.28
    2+ £137.47
    3+ £136.07
    £140.28
    FuseBox MT10C403 FuseBox MT10C403 40A Triple Pole 10kA C Curve MCB

    FuseBox MT10C403 40A Triple Pole 10kA C Curve MCB
    3 In Stock
    More available within 2 - 3 working days*
    SKU: MT10C403
    £9.51
    FuseBox MT10D323 FuseBox MT10D323 32A Triple Pole 10kA D Curve MCB

    FuseBox MT10D323 32A Triple Pole 10kA D Curve MCB
    Delivery usually within 2 - 3 working days*
    SKU: MT10D323
    £9.51
    WCED WFMSRT00-3F WCED WFMSRT00-3F Fused Main Switch with Time Delayed RCD

    WCED WFMSRT00-3F Fused Main Switch with Time Delayed RCD
    Delivery usually within 1 - 3 working days*
    SKU: WFMSRT00-3F
    £45.50
    Live Electrical AGU4-SR/B IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – Black

    Live Electrical AGU4-SR/B IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – Black
    Delivery usually within 1 - 3 working days*
    SKU: AGU4-SR/B
    Quantity Discount
    Quantity Price
    1 - 2 £52.92
    3+ £51.60
    5+ £50.27
    10+ £48.95
    £52.92
    Niglon Consumer Unit Lid Magnet – Universal Fit for Metal Boards

    Niglon PMAGNET Protego Consumer Unit Lid Magnet
    Delivery usually within 1 - 3 working days*
    SKU: PMAGNET
    £1.15
    Live Electrical CB116D Live Electrical CB116D 16A Curve D 10kA MCB 1

    Live Electrical CB116D 16A Curve D 10kA MCB
    12 In Stock
    More available within 1 - 2 working days*
    SKU: CB116D
    £2.95
    Hager NCN332A 3 Pole MCB Type C 32A 10kA

    Hager NCN332A 3 Pole MCB Type C 32A 10kA
    5 In Stock
    More available within 1 - 3 working days*
    SKU: NCN332A
    £35.99
    Live Electrical MAC2P40 Live Electrical MAC2P40 40A Modular AC Contactor 2 Pole NO 1

    Live Electrical MAC2P40 – 2 Pole 40A 2NO 230V AC Modular Contactor
    1 In Stock
    More available within 1 - 2 working days*
    SKU: MAC2P40
    £9.79
    Fusebox IT1002U 100A 2 Pole Din Rail Connector

    Fusebox IT1002U 100A 2 Pole Din Rail Connector
    20 In Stock
    More available within 2 - 3 working days*
    SKU: IT1002U
    £10.95
    Live Electrical CEV440B-030 4 Pole 40A 30mA Type B RCCB

    Live Electrical CEV440B-030 4 Pole 40A 30mA Type B RCCB
    Delivery usually within 1 - 2 working days*
    SKU: CEV440B-030
    £109.00
    Live Electrical RDA463-030 Live Electrical 4 Pole Type A 63A 30mA RCD

    Live Electrical RDA463-030 4 Pole Type A 63A 30mA RCD
    Delivery usually within 1 - 2 working days*
    SKU: RDA463-030
    £22.50
    WCED WME12 WCED 12 Way Metal Enclosure 1

    WCED 12 Way Metal Enclosure
    Delivery usually within 1 - 3 working days*
    SKU: WME12
    Quantity Discount
    Quantity Price
    1 - 4 £29.25
    5+ £28.52
    10+ £27.79
    20+ £27.06
    £29.25
    WCED WRB140C-030 WCED Type A High Immunity Curve C 40A 30mA RCBO 1

    WCED Type A High Immunity Curve C 40A 30mA RCBO
    15 In Stock
    More available within 1 - 3 working days*
    SKU: WRB140C-030
    £9.99
    WCED WKB263C WCED 2 Pole 63A C Curve 10 kA MCB 1

    WCED 2 Pole 63A C Curve 10 kA MCB
    Delivery usually within 1 - 3 working days*
    SKU: WKB263C
    Quantity Discount
    Quantity Price
    1 - 4 £6.99
    5+ £6.71
    10+ £6.54
    £6.99
    Live Electrical RA216C-030 Live Electrical Double Pole Type A RCBO - Curve C - 16A 1

    Live Electrical Double Pole Type A RCBO – Curve C – 16A
    Out of Stock
    This item cannot be back-ordered
    SKU: RA216C-030
    £13.99
    Read more
    Wiska CUR 818 10 Way Consumer Unit Relocation Kit

    Wiska CUR 818 10 Way Consumer Unit Relocation Kit
    Delivery usually within 1 - 3 working days*
    SKU: 10111773
    £58.95

    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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