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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1912)

    Consumer Units

    Consumer Units (461)

    Circuit Protection Devices

    Circuit Protection Devices (1069)

    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)

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    Switch Gear (267)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    WCED WKC340C 10kA 3 Pole MCB Curve C 40A

    WCED WKC340C 10kA 3 Pole MCB Curve C 40A
    Delivery usually within 1 - 3 working days *
    SKU: WKC340C
    Quantity Discount
    Quantity Price
    1 - 4 £9.95
    5+ £9.55
    10+ £9.30
    £9.95
    WCED WKC363C 10kA 3 Pole MCB Curve C 63A

    WCED WKC363C 10kA 3 Pole MCB Curve C 63A
    Delivery usually within 1 - 3 working days *
    SKU: WKC363C
    Quantity Discount
    Quantity Price
    1 - 4 £9.95
    5+ £9.55
    10+ £9.30
    £9.95
    Hager KRN199

    Hager KRN199 125A Neutral Connecting Block
    2 in stock
    More available within 1 - 3 working days *
    SKU: KRN199
    £10.09
    matt:e SP-EVCP-R Single-Phase EV Consumer Unit with Type A RCBO & PEN Fault Protectionmatt:e SP-EVCP-R Single-Phase EV Consumer Unit with Type A RCBO & PEN Fault Protection

    matt:e SP-EVCP-R Single-Phase EV Consumer Unit with Type A C32 RCBO & PEN Fault Protection
    Delivery usually within 1 - 3 working days *
    SKU: SP-EVCP-R
    £180.31
    Niglon RCBO1-10/30SAX2 10A RCBO – Bi-Directional, Type A, Curve B, 30mA, 6kA, Compact 18mm Width.

    Niglon RCBO1-10/30SAX2 10A Curve B 30mA Bi-Directional A Type RCBO
    17 in stock
    More available within 1 - 3 working days *
    SKU: RCBO1-10/30SAX2
    £12.78
    Niglon PCU1008M Protego 100A Twin Screw Main Switch 8 Way Metal Consumer Unit

    Niglon PCU1008M Protego 100A Twin Screw Main Switch 8 Way Metal Consumer Unit
    5 in stock
    More available within 1 - 3 working days *
    SKU: PCU1008M
    £34.33
    Niglon PMCB10B1-06 6A Single Pole 10kA Curve B MCB

    Niglon PMCB10B1-06 6A Single Pole 10kA Curve B MCB
    5 in stock
    More available within 1 - 3 working days *
    SKU: PMCB10B1-06
    £3.42
    Niglon PRCB01B1-32 1P + Neutral 32A Curve B Bi-Directional 10kA RCBO

    Niglon PRCBO10B1-32 1P + Neutral 32A Curve B Bi-Directional 10kA RCBO
    1 in stock
    More available within 1 - 3 working days *
    SKU: PRCBO10B1-32
    £19.21
    Niglon PRCB01B1-50 1P + Neutral 50A Curve B Bi-Directional 10kA RCBO

    Niglon PRCBO10B1-50 1P + Neutral 50A Curve B Bi-Directional 10kA RCBO
    1 in stock
    More available within 1 - 3 working days *
    SKU: PRCBO10B1-50
    £19.21
    Garo GCUT4 4-module IP65-rated electrical enclosure with transparent UV-resistant door, impact-resistant housing, and flexible internal DIN mounting.

    Garo GCUT4 Empty 4 Module IP65 Empty Enclosure
    5 in stock
    More available within 1 - 3 working days *
    SKU: GCUT4
    £15.85
    Hager ARL982U AFDD 32A RCBO – 1-module protective device with arc fault, short-circuit, overload, and residual current protection.

    Hager ARL982U AFDD with 30mA RCBO 32A – Curve C Type A with 1m Neutral Fly Lead
    Delivery usually within 1 - 3 working days *
    SKU: ARL982U
    £111.00
    Niglon VMT1 DIN Rail Mounted Voltage Monitor

    Niglon VMT1 DIN Rail Mounted Voltage Monitor
    5 in stock
    More available within 1 - 3 working days *
    SKU: VMT1
    £20.05
    FuseBox F3012M 12 Way RCBO Consumer Unit

    FuseBox F3012M 12 Way RCBO Consumer Unit
    7 in stock
    More available within 2 - 3 working days *
    SKU: F3012M
    £34.54
    CM100LCD-ETC MID Approved Single Phase kWh Meter with Extended Terminal Cover

    CM100LCD-ETC MID Approved Single Phase kWh Meter with Extended Terminal Cover
    Delivery usually within 1 - 3 working days *
    SKU: CM100LCD-ETC
    £41.14
    FuseBox EV32ABD EV Consumer Unit 100A Main Switch 30mA 32A Bi-Directional RCBO

    FuseBox EV32ABD EV Consumer Unit 100A Main Switch 30mA B32A Bi-Directional RCBO
    11 in stock
    More available within 1 - 3 working days *
    SKU: EV32ABD
    £42.04
    Fusebox EV40ABD EV Consumer Unit 100A Main Switch 30mA 40A Bi-Directional RCBO

    Fusebox EV40ABD EV Consumer Unit 100A Main Switch 30mA B40A Bi-Directional RCBO
    Delivery usually within 1 - 3 working days *
    SKU: EV40ABD
    £42.04
    Fusebox F3M2SPDZ FuseBox 100A Main Switch/MCB + SPD T2 Retrofit Kit

    Fusebox F3M2SPDZ 100A Main Switch + Type 2 SPD Kit
    Delivery usually within 1 - 3 working days *
    SKU: F3M2SPDZ
    £61.14
    Fusebox F3014DT 14 Way 2x100A Dual Tariff Consumer Unit

    Fusebox F3014DT 14 Way 2x100A Dual Tariff Consumer Unit
    2 in stock
    More available within 1 - 3 working days *
    SKU: F3014DT
    £45.02
    FuseBox F3007MZ Bi-Directional SPD Consumer Unit Kit with 5 RCBOs

    FuseBox F3007MZ Bi-Directional SPD Consumer Unit Kit with 5 RCBOs
    In Stock
    SKU: F3007MZ/BD/KIT/5
    £133.28
    FuseBox F3015MZ Bi Directional SPD Consumer Unit Kit – with 12 RCBO

    FuseBox F3015MZ Bi Directional SPD Consumer Unit Kit – with 12 RCBOs
    In Stock
    SKU: F3015MZ/BD/KIT/12
    £235.99

    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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