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    Circuit Protection

    Circuit protection devices are essential for ensuring the safety and reliability of electrical systems in both residential and commercial settings. These devices prevent damage to electrical circuits by interrupting the flow of excessive current or voltage, thereby protecting equipment and reducing the risk of fire.

    Circuit Protection by Brand

    Circuit Protection by Brand (1872)

    Consumer Units

    Consumer Units (442)

    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 (256)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    FuseBox RTA063230B 30mA Curve B 32A Type A RCBO

    FuseBox RTA063230B 30mA Curve B 32A Type A RCBO
    60 in stock
    More available within 2 - 3 working days *
    SKU: RTA063230B
    £9.99
    FuseBox RTA060630B 30mA Curve B 6A Type A RCBO

    FuseBox RTA060630B 30mA Curve B 6A Type A RCBO
    73 in stock
    More available within 2 - 3 working days *
    SKU: RTA060630B
    £9.99
    WCED WEC440SP Meter Supply Isolator with Surge Protection

    WCED WEC440SP Meter Supply Isolator with Surge Protection
    24 in stock
    More available within 1 - 3 working days *
    SKU: WEC440SP
    £28.18 £22.90
    Fusebox ADRB Din Rail Mounted Blank

    Fusebox ADRB Din Rail Mounted Blank
    149 in stock
    More available within 2 - 3 working days *
    SKU: ADRB
    £1.28
    FuseBox RTA061630B 30mA Curve B 16A Type A RCBO

    FuseBox RTA061630B 30mA Curve B 16A Type A RCBO
    43 in stock
    More available within 2 - 3 working days *
    SKU: RTA061630B
    £9.99
    Live Electrical PCUBLANK Solid Blank

    Live Electrical PCUBLANK Solid Blank
    445 in stock
    More available within 1 - 2 working days *
    SKU: PCUBLANK
    £1.05
    EV Consumer Unit with A Type DP B40 RCBO and SPD

    EV Consumer Unit with A Type DP B40 RCBO and SPD
    12 in stock
    More available within 1 - 3 working days *
    SKU: WMRC40BSP
    £29.99
    EV Consumer Unit with A Type DP C40 RCBO and SPD

    EV Consumer Unit with A Type DP C40 RCBO and SPD
    19 in stock
    More available within 1 - 3 working days *
    SKU: WMRC40CSP
    £29.99
    Live Electrical MCUBLANK Metal Blank MCUBLANK for Metal Consumer Unit and TPN Boards

    Metal Blank MCUBLANK for Metal Consumer Unit and TPN Boards
    1 in stock
    More available within 1 - 2 working days *
    SKU: MCUBLANK
    £0.40
    FuseBox RTA062030B 30mA Curve B 20A Type A RCBO

    FuseBox RTA062030B 30mA Curve B 20A Type A RCBO
    87 in stock
    More available within 2 - 3 working days *
    SKU: RTA062030B
    £9.99
    Live Electrical 10kA RCBO 32A Curve B Type A 30mA 1P+N

    Live Electrical 10kA RCBO 32A Curve B Type A 30mA 1P+N
    56 in stock
    More available within 1 - 2 working days *
    SKU: RA132B-030
    £10.24
    Live Electrical 10kA RCBO 6A Curve B Type A 30mA 1P+N

    Live Electrical 10kA RCBO 6A Curve B Type A 30mA 1P+N
    46 in stock
    More available within 1 - 2 working days *
    SKU: RA106B-030
    £10.24
    Live Electrical AMR132B-030 30mA Type A 32A 6kA B Curve Bi-Directional RCBO

    Live Electrical AMR132B-030 30mA Type A 32A 6kA B Curve Bi-Directional RCBO
    133 in stock
    More available within 1 - 2 working days *
    SKU: AMR132B-030
    £8.22
    Live Electrical 10kA RCBO 16A Curve B Type A 30mA 1P+N

    Live Electrical 10kA RCBO 16A Curve B Type A 30mA 1P+N
    56 in stock
    More available within 1 - 2 working days *
    SKU: RA116B-030
    £10.24
    WCED MEBLANK WCED Metal Blank for Consumer Unit

    WCED Metal Blank for Consumer Unit
    443 in stock
    More available within 1 - 3 working days *
    SKU: MEBLANK
    £0.45
    WCED WEC2100 2 Way 100A Enclosure Meter Isolation Switch

    WCED WEC2100 2 Way 100A Enclosure Meter Isolation Switch
    36 in stock
    More available within 1 - 3 working days *
    SKU: WEC2100
    £9.84
    Hager ADA306G Hager ADA306G RCBO 6 Amp B Type 30mA 6kA 1

    Hager ADA306G RCBO 6 Amp B Type 30mA 6kA
    15 in stock
    More available within 1 - 3 working days *
    SKU: ADA306G
    £12.99
    EV Consumer Unit with A Type DP C32 RCBO and SPD

    EV Consumer Unit with A Type DP C32 RCBO and SPD
    41 in stock
    More available within 1 - 3 working days *
    SKU: WMRC32CSP
    £29.99
    WCED Type A Bi-Directional Curve B 32A 30mA RCBO - WRB132B-030

    WCED Type A Bi-Directional Curve B 32A 30mA RCBO – WRB132B-030
    12 in stock
    More available within 1 - 3 working days *
    SKU: WRB132B-030
    £9.99
    FuseBox ADRBTPN Fusebox ADRBTPN Single TPN Din Rail Mounted Blank

    Fusebox ADRBTPN Single TPN Din Rail Mounted Blank
    143 in stock
    More available within 2 - 3 working days *
    SKU: ADRBTPN
    £1.15

    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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