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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 (259)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    WCED 2 Pole 63A 30mA Type A RCD

    WCED 2 Pole 63A 30mA Type A RCD
    Delivery usually within 1 - 3 working days *
    SKU: WAR263-030
    Quantity Discount
    Quantity Price
    1 £15.09
    2+ £14.34
    3+ £13.96
    £15.09
    Garo 63A 2 Pole Type A 300mA Time Delay Bi-Directional RCCB

    Garo DCCB63-2-3S 63A 2 Pole Type A 300mA Time Delay Bi-Directional RCCB
    Delivery usually within 1 - 3 working days *
    SKU: DCCB63-2-3S
    £46.35
    FuseBox R3PN10B3230BD Curve B 3 Phase 32A RCBOFuseBox 3 Phase RCBO - Front

    FuseBox R3PN10B3230BD 32A 3P+N Curve B Bi-Directional RCBO
    11 in stock
    This item cannot be back-ordered
    SKU: R3PN10B3230BD
    £64.72
    WCED WRT120B-030 Bi-Directional 10kA Type A 30mA RCBO Curve B 20A

    WCED WRT120B-030 Bi-Directional 10kA Type A 30mA RCBO Curve B 20A
    Delivery usually within 1 - 3 working days *
    SKU: WRT120B-030
    £12.50
    Hager VML106 6 Way RCBO Consumer Unit

    Hager VML106 6 Way RCBO Consumer Unit
    1 in stock
    More available within 1 - 3 working days *
    SKU: VML106
    £39.07
    Live Electrical CB310D Live Electrical CB310D 3 Pole 10A D Curve 10kA MCB 1

    Live Electrical CB310D 3 Pole 10A D Curve 10kA MCB
    11 in stock
    More available within 1 - 2 working days *
    SKU: CB310D
    £8.37
    Hager JK108BA3 Hager JK108BA3 125A 8 Way TPN Board with Plain Door (Amendment 3)

    Hager JK108BA3 125A 8 Way TPN Board with Plain Door (Amendment 3)
    Delivery usually within 1 - 3 working days *
    SKU: JK108BA3
    £187.81
    Hager JK11004S Hager JK11004S 100A 4 Pole Mains Switch Incomer Kit 1

    Hager JK11004S 100A 4 Pole Mains Switch Incomer Kit
    1 in stock
    More available within 1 - 3 working days *
    SKU: JK11004S
    £57.94
    Hager NCN306A 3 Pole Type C MCB 6A 10kA

    Hager NCN306A 3 Pole Type C MCB 6A 10kA
    5 in stock
    More available within 1 - 3 working days *
    SKU: NCN306A
    £35.99
    Hager NCN340A 3 Pole MCB Type C 40A 10kA

    Hager NCN340A 3 Pole MCB Type C 40A 10kA
    4 in stock
    More available within 1 - 3 working days *
    SKU: NCN340A
    £35.99
    Hager VML114RK 14 Way Main Switch Consumer Unit with Round Knockouts

    Hager VML114RK 14 Way Main Switch Consumer Unit with Round Knockouts
    Delivery usually within 1 - 3 working days *
    SKU: VML114RK
    £52.69
    FuseBox INC254 4 Pole 25A 230V NO Normally Open AC Modular Contactor

    FuseBox INC254 – 4 Pole 25A 4NO 230V AC Modular Contactor
    3 in stock
    More available within 2 - 3 working days *
    SKU: INC254
    £11.55
    Live Electrical EN5050/250 IP65 Metal Enclosure, 500x500x250mm, steel construction with RAL7035 epoxy powder coat, includes galvanised mounting plate and polyurethane foamed gasket for watertight sealing.

    Live Electrical EN5050/250 IP65 Metal Enclosure H:500 x W:500 x D:250mm
    Delivery usually within 1 - 2 working days *
    SKU: EN5050/250
    £86.90
    FuseBox INC634 63A 4 Pole 230V NO Normally Open AC Modular Contactor

    FuseBox INC634 – 4 Pole 63A 4NO 230V AC Modular Contactor
    1 in stock
    More available within 2 - 3 working days *
    SKU: INC634
    £15.50
    WCED 8 Way Main Switch Consumer Unit

    WCED 8 Way Main Switch Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: WME10/MS100
    £31.56
    WCED 12 Way Main Switch Consumer Unit

    WCED 12 Way Main Switch Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: WME14/MS100
    £34.79
    WCED WMGU04/620 Metal Garage Consumer Unit - 63A Type A RCD 6A/20A B MCBs

    WCED WMGU04/620 Metal Garage Consumer Unit – 63A Type A RCD 6A/20A B MCBs
    Delivery usually within 1 - 3 working days *
    SKU: WMGU04/620
    Quantity Discount
    Quantity Price
    1 - 2 £26.34
    3+ £25.68
    5+ £25.02
    10+ £24.36
    £26.34
    WCED WMMS/632 WCED Metal Garage Unit - 100A Main Switch 6A/32A B MCB

    WCED Metal Garage Unit – 100A Main Switch 6A/32A B MCB
    Delivery usually within 1 - 3 working days *
    SKU: WMMS/632
    £20.87
    WCED WKB5100C-ST WCED 100A C Curve 5 Pole MCB 10kA + 230V Shunt Trip 1

    WCED 100A C Curve 5 Pole MCB 10kA + 230V Shunt Trip
    Delivery usually within 1 - 3 working days *
    SKU: WKB5100C-ST
    Quantity Discount
    Quantity Price
    1 - 4 £23.99
    5+ £23.03
    10+ £22.43
    £23.99
    WCED WKB225C WCED 2 Pole 25A C Curve 10 kA MCB 1

    WCED 2 Pole 25A C Curve 10 kA MCB
    4 in stock
    This item cannot be back-ordered
    SKU: WKB225C
    Quantity Discount
    Quantity Price
    1 - 4 £6.99
    5+ £6.71
    10+ £6.54
    £6.99

    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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