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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)

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    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)

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    Switch Gear (260)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Hager ADB450G Hager ADB450G 30mA Curve B 6kA 50A Type A 1M 1P RCBO

    Hager ADB450G 30mA Curve B 6kA 50A Type A 1M 1P RCBO
    8 in stock
    More available within 1 - 3 working days *
    SKU: ADB450G
    £12.99
    FuseBox RTF250302 Type F RCD 25A 30mA 2P

    FuseBox RTF250302 Type F RCD 25A 30mA 2P
    1 in stock
    More available within 1 - 3 working days *
    SKU: RTF250302
    £42.25
    100A Automatic Reset Breaker with PME Fault Protection

    WCED| WARB3100C | 100A Auto Reset Breaker with PME Protection | 4 Module
    Delivery usually within 1 - 3 working days *
    SKU: WARD3100C
    £39.07
    WCED WT2M Rail Mounted Digital Timer

    WCED WT2M Rail Mounted Digital Timer
    Delivery usually within 1 - 3 working days *
    SKU: WT2M
    £24.56
    Live Electrical 3P+N 20A C Curve 30mA Type A RCBO

    Live Electrical 3P+N 20A C Curve 30mA Type A RCBO
    5 in stock
    More available within 1 - 3 working days *
    SKU: RTN320C-030N
    £45.15
    Live Electrical CZ180C 1P 80A MCB 10kA Curve C

    Live Electrical CZ180C 1P 80A MCB 10kA Curve C
    Delivery usually within 1 - 3 working days *
    SKU: CZ180C
    £6.15
    Live Electrical MDAC2P63/24V 2 Pole 63A 2NO AC Contactor/24V DC Coil

    Live Electrical MDAC2P63/24V – 2 Pole 63A 2NO 24V DC Coil Modular Contactor
    Delivery usually within 1 - 3 working days *
    SKU: MDAC2P63/24V
    £21.25
    Hager MZ203 Shunt Trip 230-415V AC / 110-130V DC

    Hager MZ203 Shunt Trip 230-415V AC / 110-130V DC
    Delivery usually within 1 - 3 working days *
    SKU: MZ203
    £44.67
    Niglon M3CU16SP/10RCBO 13 Way SPD Consumer Unit Kit with 10 RCBOs

    Niglon M3CU16SP/10RCBO 13 Way SPD Consumer Unit Kit with 10 RCBOs
    In Stock
    SKU: M3CU16SP/10RCBO
    £149.51
    Garo SIDC432IP65 32A 4 Pole DC Rotary Isolator

    Garo SIDC432IP65 32A 4 Pole DC Rotary Isolator
    3 in stock
    More available within 1 - 3 working days *
    SKU: SIDC432IP65
    Quantity Discount
    Quantity Price
    1 - 2 £20.37
    3+ £19.96
    5+ £19.35
    10+ £18.33
    £20.37
    Live Electrical WCB1-63N Wi-Fi Smart Energy Switch with kWh Metering and Protection

    Live Electrical WCB1-63N Wi-Fi Smart Energy Switch with kWh Metering and Protection
    2 in stock
    More available within 1 - 3 working days *
    SKU: WCB1-63N
    £22.66
    FuseBox MT06C251 25A C Curve Miniature Circuit Breaker

    FuseBox MT06B251 25A MCB Curve B
    18 in stock
    More available within 1 - 3 working days *
    SKU: MT06B251
    £1.95
    Niglon Protego 7 Way Main Switch SPD Consumer Unit

    Niglon Protego 7 Way Main Switch SPD Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: PCU1008M/SPD
    £53.80
    Live Electrical RKA106B-030 6A 10kA B Curve Compact Bi-Directional RCBO For TPN Distribution Boards

    Live Electrical RKA106B-030 10kA Type A B Curve Compact 6A Bi-Directional RCBO
    Delivery usually within 1 - 3 working days *
    SKU: RKA106B-030
    £11.59
    Live Electrical RKA110B-030 10kA Type A B Curve Compact 10A Bi-Directional RCBO

    Live Electrical RKA110B-030 10kA Type A B Curve Compact 10A Bi-Directional RCBO
    5 in stock
    More available within 1 - 3 working days *
    SKU: RKA110B-030
    £11.59
    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
    Timeguard TX2416 16A Type A RCBO

    Timeguard | TX2416 | B Curve | 6kA | Type A RCBO | 16A
    3 in stock
    More available within 1 - 3 working days *
    SKU: TX2416
    £9.30
    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

    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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