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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1874)

    Consumer Units

    Consumer Units (448)

    Circuit Protection Devices

    Circuit Protection Devices (1038)

    EV Circuit Protection

    EV Circuit Protection (107)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (121)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (90)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (158)

    Switch Gear

    Switch Gear (256)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    FuseBox RTA101030C FuseBox RTA101030C 10A 30mA 10kA C Curve Type A RCBO

    FuseBox RTA101030C 10A 30mA 10kA C Curve Type A RCBO
    20 in stock
    More available within 2 - 3 working days *
    SKU: RTA101030C
    £15.99
    WCED WARB5100C/PMESP WARB5100C/PMESP 3 Phase PME Fault Detection Unit

    3 Phase PME / PEN Fault Detection Unit c/w 5 Pole 100A MCB Type 2 SPD and PME Relay
    Delivery usually within 1 - 3 working days *
    SKU: WARB5100C/PMESP
    Quantity Discount
    Quantity Price
    1 £93.19
    2+ £91.33
    3+ £90.39
    £93.19
    WCED WKB416C WCED 4 Pole 16A C Curve 10 kA MCB 1

    WCED 4 Pole 16A C Curve 10 kA MCB
    2 in stock
    More available within 1 - 3 working days *
    SKU: WKB416C
    Quantity Discount
    Quantity Price
    1 - 4 £13.45
    5+ £12.91
    10+ £12.58
    £13.45
    Fusebox ABTR Bell Transformer

    Fusebox ABTR Bell Transformer
    Delivery usually within 2 - 3 working days *
    SKU: ABTR
    £7.24
    WCED WAC4P32NC 4 Pole 32A Normally Closed AC Modular Contactor

    WCED WAC4P32NC 4 Pole 32A Normally Closed AC Modular Contactor
    Delivery usually within 1 - 3 working days *
    SKU: WAC4P32NC
    Quantity Discount
    Quantity Price
    1 - 2 £13.50
    3+ £13.16
    5+ £12.83
    10+ £12.49
    20+ £12.15
    £13.50
    FuseBox EV32ABDZ 32A EV Charger Consumer Unit with SPD and Bi-Directional RCBO

    FuseBox EV32ABDZ 32A EV Charger Consumer Unit with SPD and Bi-Directional RCBO
    6 in stock
    More available within 2 - 3 working days *
    SKU: EV32ABDZ
    £59.99
    WCED 2 Pole 230V 25A NO Normally Open AC Modular Contactor

    WCED WAC2P25 – 2 Pole 25A 2NO 230V AC Modular Contactor
    7 in stock
    More available within 1 - 3 working days *
    SKU: WAC2P25
    Quantity Discount
    Quantity Price
    1 - 2 £5.99
    3+ £5.84
    5+ £5.69
    10+ £5.54
    20+ £5.39
    £5.99
    WCED WAC2P63 WCED 2 Pole 63A 2NO AC Contactor

    WCED WAC2P63 – 2 Pole 63A 2NO 230V AC Modular Contactor
    5 in stock
    More available within 1 - 3 working days *
    SKU: WAC2P63
    Quantity Discount
    Quantity Price
    1 - 2 £10.43
    3+ £10.17
    5+ £9.91
    10+ £9.65
    20+ £9.39
    £10.43
    Axiom STDL35 DIN Rail 35mm x 7.5mm - 1 meter

    DIN Rail 35mm x 7.5mm – 1 meter
    25 in stock
    More available within 2 - 3 working days *
    SKU: STDL35
    £2.95
    WCED 4 Pole 125A 230V/400V NO Normally Open AC Modular Contactor

    WCED WAC4P125 – 4 Pole 125A 4NO 230V AC Modular Contactor
    1 in stock
    More available within 1 - 3 working days *
    SKU: WAC4P125
    Quantity Discount
    Quantity Price
    1 - 2 £49.99
    3+ £48.74
    5+ £47.49
    10+ £46.24
    20+ £44.99
    £49.99
    WCED BBP3100 WCED 3P 100A Pin Type Busbar - 1 m

    WCED 3P 100A Pin Type Busbar – 1 m
    Delivery usually within 1 - 3 working days *
    SKU: BBP3100
    £17.00
    FuseBox MT06B501 50A MCB Curve B

    FuseBox MT06B501 50A MCB Curve B
    10 in stock
    More available within 2 - 3 working days *
    SKU: MT06B501
    £1.95
    WCED WRDUSP440C 4 Pole SPD + 40A C Curve Type A RCD with Metal Enclosure

    WCED WRDUSP440C 4 Pole SPD + 40A C Curve Type A RCD with Metal Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: WRDUSP440C
    £63.90
    WCED WMECOS125-L WCED Changeover Switch 125A with Metal Enclosure 1

    WCED WMECOS125-L 125A Changeover Switch with Metal Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: WMECOS125-L
    £33.50
    FuseBox Bi-Directional Mini RCBO 06A C Curve 30mA Type A - Compact and Reliable Protection

    FuseBox Bi-Directional Mini RCBO 32A C Curve 30mA Type A
    21 in stock
    More available within 1 - 3 working days *
    SKU: RTAMC32BD
    £13.94
    Live Electrical CB140C Live Electrical CB140C 40A Curve C 10kA MCB 1

    Live Electrical CB140C 40A Curve C 10kA MCB
    19 in stock
    More available within 1 - 2 working days *
    SKU: CB140C
    £2.95
    WCED WRB110C-030 WCED Type A High Immunity Curve C 10A 30mA RCBO 1

    WCED Type A High Immunity Curve C 10A 30mA RCBO
    20 in stock
    More available within 1 - 3 working days *
    SKU: WRB110C-030
    £9.99
    WCED WME10 WCED 10 Way Metal Enclosure 1

    WCED 10 Way Metal Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: WME10
    Quantity Discount
    Quantity Price
    1 - 4 £29.94
    5+ £29.19
    10+ £28.44
    20+ £27.69
    £29.94
    FuseBox RTA100630C FuseBox RTA100630C 6A 30mA 10kA C Curve Type A RCBO

    FuseBox RTA100630C 6A 30mA 10kA C Curve Type A RCBO
    29 in stock
    More available within 2 - 3 working days *
    SKU: RTA100630C
    £15.99
    Live Electrical CB150C Live Electrical CB150C 50A Curve C 10kA MCB 1

    Live Electrical CB150C 50A Curve C 10kA MCB
    Delivery usually within 1 - 2 working days *
    SKU: CB150C
    £2.95

    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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