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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1879)

    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 (121)

    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)

    Hager NCN140A Hager NCN140A Single Pole Type C MCB 40A 10kA

    Hager NCN140A Single Pole Type C MCB 40A 10kA
    4 in stock
    More available within 1 - 3 working days *
    SKU: NCN140A
    £9.54
    Hager NCN106A Hager NCN106A Single Pole Type C MCB 6A 10kA

    Hager NCN106A Single Pole Type C MCB 6A 10kA
    3 in stock
    More available within 1 - 3 working days *
    SKU: NCN106A
    £8.94
    Hager VML120RK 20 Way Main Switch Consumer Unit with Round Knockouts

    Hager VML120RK 20 Way Main Switch Consumer Unit with Round Knockouts
    1 in stock
    More available within 1 - 3 working days *
    SKU: VML120RK
    £66.80
    Hager VML110RK 10 Way Main Switch Consumer Unit with Round Knockouts

    Hager VML110RK 10 Way Main Switch Consumer Unit with Round Knockouts
    1 in stock
    More available within 1 - 3 working days *
    SKU: VML110RK
    £43.39
    Live Electrical EN6050/250 Live Electrical Metal Enclosure IP65 H:600 x W:500 x D:250mm 1

    Live Electrical EN6050/250 IP65 Metal Enclosure H:600 x W:500 x D:250mm
    Delivery usually within 1 - 2 working days *
    SKU: EN6050/250
    £103.29
    Live Electrical CEV240B-030 2 Pole 40A 30mA Type B RCCB

    Live Electrical CEV240B-030 2 Pole 40A 30mA Type B RCCB
    Delivery usually within 1 - 2 working days *
    SKU: CEV240B-030
    £89.00
    FuseBox F3032MDT 32 Way 2x100A Dual Tariff Consumer Unit

    FuseBox F3032MDT 32 Way 2x100A Dual Tariff Consumer Unit
    Delivery usually within 2 - 3 working days *
    SKU: F3032MDT
    £140.97
    WCED 16 Way Main Switch Consumer Unit

    WCED 16 Way Main Switch Consumer Unit
    1 in stock
    More available within 1 - 3 working days *
    SKU: WME18/MS100
    £39.26
    WCED 20 Way Main Switch Consumer Unit

    WCED 20 Way Main Switch Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: WME22/MS100
    £44.48
    WCED WME14 WCED 14 Way Metal Enclosure 1WCED WME14 WCED 14 Way Metal Enclosure 2

    WCED 14 Way Metal Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: WME14
    Quantity Discount
    Quantity Price
    1 - 4 £31.26
    5+ £30.48
    10+ £29.70
    20+ £28.92
    £31.26
    WCED WMC163C WCED Miniature Circuit Breaker 6kA Curve C - 63A 1

    WCED Miniature Circuit Breaker 6kA Curve C – 63A
    6 in stock
    More available within 1 - 3 working days *
    SKU: WMC163C
    £1.53
    WCED WMC106C WCED Miniature Circuit Breaker 6kA Curve C - 6A 1

    WCED Miniature Circuit Breaker 6kA Curve C – 6A
    6 in stock
    More available within 1 - 3 working days *
    SKU: WMC106C
    £1.53
    FuseBox EV32A Fusebox EV32A EV Charger Supply Unit 32A

    Fusebox EV32A EV Charger Supply Unit 32A
    2 in stock
    More available within 2 - 3 working days *
    SKU: EV32A
    £46.20
    Fusebox FMS080 80A Main Switch Fused

    Fusebox FMS080 80A Main Switch Fused
    Delivery usually within 2 - 3 working days *
    SKU: FMS080
    £14.95
    WCED WKB216B WCED 2 Pole 16A B Curve 10 kA MCB 1

    WCED 2 Pole 16A B Curve 10 kA MCB
    Delivery usually within 1 - 3 working days *
    SKU: WKB216B
    Quantity Discount
    Quantity Price
    1 - 4 £6.99
    5+ £6.71
    10+ £6.54
    £6.99
    WKC220C WCED 2 Pole 20A C Curve 10 kA MCB

    WCED 2 Pole 20A C Curve 10 kA MCB
    Delivery usually within 1 - 3 days *
    SKU: WKC220C
    Quantity Discount
    Quantity Price
    1 - 4 £6.99
    5+ £6.71
    10+ £6.54
    £6.99
    WCED WKB132C WCED 1 Pole 32A C Curve 10 kA MCB 1

    WCED 1 Pole 32A Curve C 10kA MCB
    12 in stock
    This item cannot be back-ordered
    SKU: WKB132C
    Quantity Discount
    Quantity Price
    1 - 4 £3.35
    5+ £3.22
    10+ £3.13
    £3.35
    Live Electrical RI20DC Live Electrical 4 Pole 20A DC Rotary Isolator Switch 1

    Live Electrical RI20DC 4 Pole 20A DC Rotary Isolator Switch
    2 in stock
    More available within 1 - 2 working days *
    SKU: RI20DC
    £20.99 £16.10
    Axiom THR135 Axiom Thermal Overload Relay 4 - 6A

    Profix THR135 Thermal Overload Relay 4 – 6A
    2 in stock
    This item cannot be back-ordered
    SKU: THR135
    £12.50 £9.90
    0.4mm-1.0mm Grommet PE Strip - 10 metres

    0.4mm-1.0mm Grommet PE Strip – 10 metres
    2 in stock
    More available within 1 - 3 working days *
    SKU: GS1/10M-1
    £5.60

    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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