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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1908)

    Consumer Units

    Consumer Units (478)

    Circuit Protection Devices

    Circuit Protection Devices (1064)

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    EV Circuit Protection (106)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (127)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (93)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (174)

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    Switch Gear (266)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    FuseBox MT10B251 FuseBox MT10B251 25A Single Pole 10kA B Curve MCB

    FuseBox MT10B251 25A Single Pole 10kA B Curve MCB
    20 In Stock
    More available within 2 - 3 working days*
    SKU: MT10B251
    £3.22
    FuseBox RTA105030B FuseBox RTA105030B 50A 10kA 30mA B Curve Type A RCBO

    FuseBox RTA105030B 50A 10kA 30mA B Curve Type A RCBO
    11 In Stock
    More available within 2 - 3 working days*
    SKU: RTA105030B
    £15.99
    FuseBox RTA102530C FuseBox RTA102530C 25A 10kA 30mA C Curve Type A RCBO

    FuseBox RTA102530C 25A 10kA 30mA C Curve Type A RCBO
    14 In Stock
    More available within 2 - 3 working days*
    SKU: RTA102530C
    £15.99
    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
    Surge Devices SY2-C40XENCM Surge Devices Type 2 20kA/40kA 3 Phase SPD with Window Indication & 3P 32A MCB in IP65 Polycarbonate Enclosure

    Surge Devices SY3-C40X/ENCM Three Phase Type 2+3 SPD in Enclosure with MCB
    Delivery usually within 3 - 4 working days*
    SKU: SY2-C40XENCM
    £183.00
    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
    Live Electrical DCM210C 2 Pole C Curve 6kA 10A 600V DC MCB

    Live Electrical DCM210C 2 Pole C Curve 6kA 10A 600V DC MCB
    Delivery usually within 1 - 2 working days*
    SKU: DCM210C
    £9.50
    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
    1 In Stock
    More available within 1 - 3 working days*
    SKU: ADC920R
    £19.43
    Live Electrical LSGU63632 Live Electrical LSGU63632 Garage 63A RCD Consumer Unit with 6A&32A MCBs

    Live Electrical LSGU63632 Garage 63A RCD Consumer Unit with 6A&32A MCBs
    Delivery usually within 1 - 3 working days*
    SKU: LSGU63632
    £32.84 £31.55
    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
    26 In Stock
    More available within 1 - 3 working days*
    SKU: RTAMC10BD
    £14.34
    VM118KSPD

    Hager VM118KSPD 18 Way Design 30 SPD Consumer Unit
    Delivery usually within 1 - 3 working days*
    SKU: VM118KSPD
    £176.46
    Hager FCDF563U RCCB 1P+N 63A 30mA F Class

    Hager CDF563U RCCB 1P+N 63A 30mA F Class
    Delivery usually within 1 - 3 working days*
    SKU: CDF563U
    £101.05
    RTN320B-030N Live Electrical 3P+N 20A B Curve 30mA Type A RCBO

    Live Electrical 3P+N 20A B Curve 30mA Type A RCBO
    6 In Stock
    More available within 1 - 3 working days*
    SKU: RTN320B-030N
    £45.15
    Live Electrical RNA32C-030 RCBO A Type DP Bi-Directional 32A C Curve 30mA

    Live Electrical RNA32C-030 RCBO A Type DP Bi-Directional 32A C Curve 30mA
    7 In Stock
    More available within 1 - 3 working days*
    SKU: RNA32C-030
    £10.43
    Live Electrical CB210B 2 Pole MCB 10A B Curve

    Live Electrical CB210B 2 Pole 10kA MCB 10A B Curve
    Delivery usually within 1 - 3 working days*
    SKU: CB210B
    £5.89
    Live Electrical CB210C 2 Pole MCB 10A C Curve

    Live Electrical CB210C 2 Pole 10kA MCB 10A C Curve
    4 In Stock
    More available within 1 - 3 working days*
    SKU: CB210C
    £5.89
    Live Electrical CZ280C 2P 80A MCB 10kA Curve C

    Live Electrical CZ280C 2P 80A MCB 10kA Curve C
    Delivery usually within 1 - 3 working days*
    SKU: CZ280C
    £12.87
    Live Electrical CZ3100C 3P 100A MCB 10kA Curve C

    Live Electrical CZ3100C 3P 100A MCB 10kA Curve C
    Delivery usually within 1 - 3 working days*
    SKU: CZ3100C
    £19.31

    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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