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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1883)

    Consumer Units

    Consumer Units (469)

    Circuit Protection Devices

    Circuit Protection Devices (1052)

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    EV Circuit Protection (105)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (125)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (93)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (175)

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    Switch Gear (266)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Showing 1861–1880 of 2331 results

    Niglon EV40AXSP-5WA 5-Way IP65 Metal EV Distribution Board

    Niglon EV40AXSP-5WA 5-Way C40 SPD IP65 Metal EV Distribution Board
    Delivery usually within 1 - 3 working days*
    SKU: EV40AXSP-5WA
    Quantity Discount
    Quantity Price
    1 £51.48
    2+ £50.45
    3+ £49.94
    5+ £48.91
    £51.48
    Niglon EV40AXSPC-4WI IP65 EV Consumer Unit

    Niglon EV40AXSPC-4WI 4-Way C40 SPD IP65 EV Consumer Unit
    Delivery usually within 1 - 3 working days*
    SKU: EV40AXSPC-4WI
    Quantity Discount
    Quantity Price
    1 £34.16
    2+ £33.48
    3+ £33.14
    5+ £32.45
    £34.16
    Hager BD163T 3 Phase RCD Add-On, 63A 30mA, Type A, single-module residual current device for Hager MCBsHager BD163T RCD 3Phase Add-On A 63A 30mA

    Hager BD163T RCD 3Phase Add-On A 63A 30mA
    Delivery usually within 3 - 4 working days*
    SKU: BD163T
    £313.87
    Hager VW110G 10 Way 100A IP55 Weatherproof Consumer Unit

    Hager VW110G 10 Way 100A IP55 Weatherproof Consumer Unit
    Delivery usually within 3 - 4 working days*
    SKU: VW110G
    £79.10
    Hager VW310G 10 Way 100A IP55 RCCB Consumer Unit

    Hager VW310G 10 Way 100A IP55 RCCB Consumer Unit
    Delivery usually within 3 - 4 working days*
    SKU: VW310G
    £224.81
    Hager EPN510 1 Module 230V Latching Relay 1NO

    Hager EPN510 1 Module 230V Latching Relay 1NO
    Delivery usually within 3 - 4 working days*
    SKU: EPN510
    £33.46
    Hager EPN520 1 Module 230V Latching Relay 2NO

    Hager EPN520 1 Module 230V Latching Relay 2NO
    Delivery usually within 3 - 4 working days*
    SKU: EPN520
    £44.63
    Hager EPN524 1 Mod 24V 2NO Latching RelayHager EPN524 1 Module 24V Latching Relay 2NO

    Hager EPN524 1 Module 24V Latching Relay 2NO
    Delivery usually within 3 - 4 working days*
    SKU: EPN524
    £43.18
    Hager EPN521 1 Module 12V Latching Relay 2NO

    Hager EPN521 1 Module 12V Latching Relay 2NO
    Delivery usually within 3 - 4 working days*
    SKU: EPN521
    £52.87
    Hager EPN515 1 Mod 230V Latching Relay 1NC + 1NO

    Hager EPN515 1 Module 230V Latching Relay 1NC + 1NO
    Delivery usually within 3 - 4 working days*
    SKU: EPN515
    £45.82
    Hager EPN519 1 Module 12V Latching Relay 1NC + 1NO

    Hager EPN519 1 Module 12V Latching Relay 1NC + 1NO
    Delivery usually within 3 - 4 working days*
    SKU: EPN519
    £49.36
    Hager EPN525 2 Mod 230V Latching Relay 2NC + 2NO

    Hager EPN525 2 Module 230V Latching Relay 2NC + 2NO
    Delivery usually within 3 - 4 working days*
    SKU: EPN525
    £90.80
    Hager EPN051 Auxiliary Contact 2A 250V AC

    Hager EPN051 Auxiliary Contact 2A 250V AC
    Delivery usually within 3 - 4 working days*
    SKU: EPN051
    £28.30
    Live Electrical DCM416C 4 Pole C Curve 6kA 16A 1000V DC MCB

    Live Electrical DCM416C 4 Pole C Curve 6kA 16A 1000V DC MCB
    Delivery usually within 1 - 2 working days*
    SKU: DCM416C
    £16.95
    Live Electrical DCM410C 4 Pole C Curve 6kA 10A 1000V DC MCB

    Live Electrical DCM410C 4 Pole C Curve 6kA 10A 1000V DC MCB
    Delivery usually within 1 - 2 working days*
    SKU: DCM410C
    £16.95
    Live Electrical DCM406C 4 Pole C Curve 6kA 6A 1000V DC MCB

    Live Electrical DCM406C 4 Pole C Curve 6kA 6A 1000V DC MCB
    Delivery usually within 1 - 2 working days*
    SKU: DCM406C
    £16.95
    Niglon Protego 3 Way Main Switch SPD Consumer Unit

    Niglon Protego 3 Way Main Switch SPD Consumer Unit
    Delivery usually within 1 - 3 working days*
    SKU: PCU0604M/SPD
    £47.55
    Niglon Protego 19 Way Main Switch SPD Consumer Unit – PCU2220M/SPD

    Niglon Protego 19 Way Main Switch SPD Consumer Unit
    Delivery usually within 1 - 3 working days*
    SKU: PCU2220M/SPD
    £73.40
    Niglon Protego 23 Way Main Switch SPD Consumer Unit

    Niglon Protego 23 Way Main Switch SPD Consumer Unit
    Delivery usually within 1 - 3 working days*
    SKU: PCU2824M/SPD
    £134.43
    Niglon Protego 31 Way Main Switch SPD Consumer Unit

    Niglon Protego 31 Way Main Switch SPD Consumer Unit
    Delivery usually within 1 - 3 working days*
    SKU: PCU3632M/SPD
    £166.71

    Showing 1861–1880 of 2331 results

    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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