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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 (256)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Hager ADC425U Hager ADC425U RCBO 10kA C-25A 30mA Type A

    Hager ADC425U RCBO 10kA C-25A 30mA Type A
    Delivery usually within 1 - 3 working days *
    SKU: ADC425U
    £35.76
    Hager ADC445U Hager ADC445U RCBO 10kA C-45A 30mA Type A

    Hager ADC445U RCBO 10kA C-45A 30mA Type A
    Delivery usually within 1 - 3 working days *
    SKU: ADC445U
    £35.76
    Hager ADC450U RCBO 10kA C-50A 30mA Type A

    Hager ADC450U RCBO 10kA C-50A 30mA Type A
    Delivery usually within 1 - 3 working days *
    SKU: ADC450U
    £35.76
    Hager JK118BG Hager JK118BG 125A 18 Way TPN Board Glazed Door

    Hager JK118BG 125A 18 Way TPN Board Glazed Door
    Delivery usually within 1 - 3 working days *
    SKU: JK118BG
    £291.14
    Hager JK104BG Hager JK104BG 125A 4 Way TPN Board Glazed Door

    Hager JK104BG 125A 4 Way TPN Board Glazed Door
    Delivery usually within 1 - 3 working days *
    SKU: JK104BG
    £126.12
    Live Electrical AGU5-SR/W IP65 Metal SPD 2 Way Garage/EV Unit with B40A RCBO - White

    Live Electrical AGU5-SR/W IP65 Metal SPD 2 Way Garage/EV Unit with B40A RCBO – White
    5 in stock
    More available within 1 - 3 working days *
    SKU: AGU5-SR/W
    Quantity Discount
    Quantity Price
    1 - 2 £52.92
    3+ £51.60
    5+ £50.27
    10+ £48.95
    £52.92
    Live Electrical AGU5-SRTB/G IP65 Metal EV Consumer Unit with B40A DP RCBO - Grey

    Live Electrical AGU5-SRTB/G IP65 Metal EV Consumer Unit with B40A DP RCBO – Grey
    Delivery usually within 1 - 3 working days *
    SKU: AGU5-SRTB/G
    Quantity Discount
    Quantity Price
    1 - 2 £53.86
    3+ £52.51
    5+ £51.17
    10+ £49.82
    £53.86
    Live Electrical AGU5-SRTB/B IP65 Metal EV Consumer Unit with B40A DP RCBO - Black

    Live Electrical AGU5-SRTB/B IP65 Metal EV Consumer Unit with B40A DP RCBO – Black
    Delivery usually within 1 - 3 working days *
    SKU: AGU5-SRTB/B
    Quantity Discount
    Quantity Price
    1 - 2 £53.86
    3+ £52.51
    5+ £51.17
    10+ £49.82
    £53.86
    Live Electrical AGU5-SRTC/W IP65 Metal EV Consumer Unit with C40A DP RCBO - White

    Live Electrical AGU5-SRTC/W IP65 Metal EV Consumer Unit with C40A DP RCBO – White
    Delivery usually within 1 - 3 working days *
    SKU: AGU5-SRTC/W
    Quantity Discount
    Quantity Price
    1 - 2 £53.86
    3+ £52.51
    5+ £51.17
    10+ £49.82
    £53.86
    Live Electrical AGU5-SRTC/B IP65 Metal EV Consumer Unit with C40A DP RCBO - Black

    Live Electrical AGU5-SRTC/B IP65 Metal EV Consumer Unit with C40A DP RCBO – Black
    Delivery usually within 1 - 3 working days *
    SKU: AGU5-SRTC/B
    Quantity Discount
    Quantity Price
    1 - 2 £53.86
    3+ £52.51
    5+ £51.17
    10+ £49.82
    £53.86
    Live Electrical AGU5-SNR/W IP65 Metal EV Consumer Unit with C40A RCBO and SPD - White

    Live Electrical AGU5-SNR/W IP65 Metal EV Consumer Unit with C40A RCBO and SPD – White
    Delivery usually within 1 - 3 working days *
    SKU: AGU5-SNR/W
    Quantity Discount
    Quantity Price
    1 - 2 £54.20
    3+ £52.85
    5+ £51.49
    10+ £50.14
    £54.20
    FuseBox A65GRAXGY IP65 Garage Consumer Unit with SPD – Grey

    FuseBox A65GRAXGY IP65 Garage Consumer Unit with SPD – Grey
    Delivery usually within 1 - 3 working days *
    SKU: A65GRAXGY
    £81.00
    FuseBox RTF1000302 Type F RCD 100A 30mA 2P

    FuseBox RTF1000302 Type F RCD 100A 30mA 2P
    Delivery usually within 1 - 3 working days *
    SKU: RTF1000302
    £54.60
    Fusebox

    FuseBox AFSS36 Metal Surface Spacer 30mm
    Delivery usually within 1 - 3 working days *
    SKU: AFSS36
    £27.04
    Fusebox

    FuseBox AFSS28 Metal Surface Spacer 30mm
    Delivery usually within 1 - 3 working days *
    SKU: AFSS28
    £22.76
    FuseBox AFMF36 36P Flush Fit Frame

    FuseBox AFMF36 36P Flush Fit Frame
    Delivery usually within 1 - 3 working days *
    SKU: AFMF36
    £25.73
    FuseBox AFMF28 28P Flush Fit Frame

    FuseBox AFMF28 28P Flush Fit Frame
    Delivery usually within 1 - 3 working days *
    SKU: AFMF28
    £23.09
    Live Electrical PEN4-SNR DP 40A C Curve RCBO with SPD

    Live Electrical PEN4-SNR DP 40A C Curve RCBO with SPD
    Delivery usually within 1 - 2 working days *
    SKU: PEN4-SNR
    £37.15
    Live Electrical PEN4-SNR c/w Double Pole 40A B Curve RCBO with Type 2 SPD

    Live Electrical PEN4-SNR DP 40A B Curve RCBO with SPD
    Delivery usually within 1 - 2 working days *
    SKU: PEN4-SNR/40B
    £37.15
    Live Electrical PEN4-SNR/32B c/w Double Pole 32A B Curve RCBO with Type 2 SPD

    Live Electrical PEN4-SNR DP 32A B Curve RCBO with SPD
    Delivery usually within 1 - 2 working days *
    SKU: PEN4-SNR/32B
    £37.15

    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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