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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)

    FuseBox IT1252U Fusebox IT1252U 125A 2 Pole Din Rail Connector

    Fusebox IT1252U 125A 2 Pole Din Rail Connector
    10 in stock
    More available within 2 - 3 working days *
    SKU: IT1252U
    £11.32
    Live Electrical PEN4 Live Electrical 4 Way Plastic Enclosure

    Live Electrical PEN4 4 Way Plastic Enclosure
    Delivery usually within 1 - 2 working days *
    SKU: PEN4
    £6.75
    WCED WEV463B-030 WCED 4 Pole 63A 30mA Type B RCD

    WCED 4 Pole 63A 30mA Type B RCD
    Delivery usually within 1 - 3 working days *
    SKU: WEV463B-030
    Quantity Discount
    Quantity Price
    1 £123.46
    2+ £117.29
    3+ £114.20
    £123.46
    Live Electrical ENC12-PV4/1 Live Electrical 12 Way (8 Fuses) Solar Consumer Unit DC 1000V 4 Input 1 Output 1

    Live Electrical ENC12-PV4/1 12 Way (8 Fuses) Solar Consumer Unit DC 600V 4 Input 1 Output
    1 in stock
    More available within 1 - 2 working days *
    SKU: ENC12-PV4/1
    £111.37 £96.06
    Surge Devices 10811/LEDENCM Surge Devices 10811/LEDENCM 3 Phase SPD Type 1+2+3 100kA with Full Mode Protection & LED Indication in IP65 Polycarbonate Enclosure

    Surge Devices 10811/LEDENCM Type 1+2+3 SPD – 3-Phase Lightning Arrester with 63A MCB in IP65 Enclosure for TN-S & TNC-S Systems
    Delivery usually within 3 - 4 working days *
    SKU: 10811/LEDENCM
    £534.00
    Surge Devices SY2-C40X Surge Devices Type 2 20kA/40kA 3 Phase SPD with Window Indication

    Surge Devices SY2-C40X Type 2+3 Three Phase SPD with Remote Contact
    Delivery usually within 3 - 4 working days *
    SKU: SY2-C40X
    £141.00
    Surge Devices SPDPV600 SPD Type 2 600V DC for Solar/PV Installations

    Surge Devices SPDPV600 Type 2 PV SPD for Solar Installations up to 600V
    Delivery usually within 3 - 4 working days *
    SKU: SPDPV600
    Quantity Discount
    Quantity Price
    1 £77.49
    2+ £75.94
    3+ £75.17
    £77.49
    Surge Devices SPDPV1000 SPD Type 2 1000V DC for Solar/PV Installations

    Surge Devices SPDPV1000 Type 2 SPD for Solar Panels up to 1000V
    Delivery usually within 3 - 4 working days *
    SKU: SPDPV1000
    Quantity Discount
    Quantity Price
    1 £90.00
    2+ £88.20
    3+ £87.30
    £90.00
    WCED Cable Pack Kit - Standard Live

    WCED Cable Pack Kit – Standard Live, Neutral & Earth Cable
    6 in stock
    More available within 1 - 3 working days *
    SKU: Cable Kit1
    £2.00
    Hager ADC920R Hager 30mA Type A 20A 6kA C Curve 1M 1P+N Bi-Directional RCBO

    Hager ADC920R 30mA Type A 20A 6kA C Curve 1M 1P+N Bi-Directional RCBO
    3 in stock
    More available within 1 - 3 working days *
    SKU: ADC920R
    £19.43
    G-ProKit COMPAC-MET-100A-1PH-BI G-ProBox 100A Bi-Directional Single-Phase Modbus Compact Check Meter

    G-ProBox COMPAC-MET-100A-1PH-BI 100A Bi-Directional Single-Phase Modbus Compact Check Meter
    7 in stock
    More available within 1 - 3 working days *
    SKU: COMPAC-MET-100A-1PH-BI
    £35.03
    Hager ADC432U Hager ADC432U RCBO 10kA C-32A 30mA Type A

    Hager ADC432U RCBO 10kA C-32A 30mA Type A
    9 in stock
    More available within 1 - 3 working days *
    SKU: ADC432U
    £35.76
    Live Electrical TPN-125E Extended Metal Enclosure for 125A TPN Board

    Live Electrical TPN-125E Extended Metal Enclosure for 125A TPN Board
    Delivery usually within 1 - 3 working days *
    SKU: TPN-125E
    £40.41
    FuseBox Bi-Directional Mini RCBO 06A C Curve 30mA Type A - Compact and Reliable Protection

    FuseBox Bi-Directional Mini RCBO 10A C Curve 30mA Type A
    27 in stock
    More available within 1 - 3 working days *
    SKU: RTAMC10BD
    £13.94
    VM118KSPD

    Hager VM118KSPD 18 Way Design 30 SPD Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: VM118KSPD
    £176.46
    Hager KF83D Connection Terminal 1P Prong 1x35mm² - Pack of 1

    Hager KF83D Connection Terminal 1P Prong 1x35mm² – Pack of 1
    8 in stock
    More available within 1 - 3 working days *
    SKU: KF83D
    £6.60
    RTN310C-030N Live Electrical 3P+N 10A C Curve 30mA Type A RCBO

    Live Electrical 3P+N 10A C Curve 30mA Type A RCBO
    Delivery usually within 1 - 3 working days *
    SKU: RTN310C-030N
    £45.15
    Live Electrical 10kA AFDD with 32A RCBO

    Live Electrical | AFD32B-10 | AFDD with Type A RCBO | 10kA 30mA | B32
    Delivery usually within 1 - 3 working days *
    SKU: AFD32B-10
    £81.31
    Live Electrical 10kA AFDD with 40A RCBO

    Live Electrical | AFD40B-10 | AFDD with Type A RCBO | 10kA 30mA | B40
    Delivery usually within 1 - 3 working days *
    SKU: AFD40B-10
    £81.31
    Live Electrical RNA6C-030 RCBO A Type DP Bi-Directional 6A C Curve 30mA

    Live Electrical RNA6C-030 RCBO A Type DP Bi-Directional 6A C Curve 30mA
    Delivery usually within 1 - 3 working days *
    SKU: RNA6C-030
    £10.43

    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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