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    UK Mainland Free Delivery £100 + VAT

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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)

    EV Circuit Protection

    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)

    Switch Gear

    Switch Gear (266)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Showing 1661–1680 of 2331 results

    Live Electrical PEN4-SNR/32C c/w Double Pole 32A C Curve RCBO with Type 2 SPD

    Live Electrical PEN4-SNR DP 32A C Curve RCBO with SPD
    Delivery usually within 1 - 2 working days*
    SKU: PEN4-SNR/32C
    £37.15
    WSRC532BSP Single Phase Electric Meter in Metal EnclosureWSRC532BSP Single Phase Electric Meter in Metal Enclosure

    100A DP Main Switch with SPD and Electric Meter
    Delivery usually within 1 - 3 working days*
    SKU: WSRC532BSP
    Read more
    Hager VR440EV 4 Way B40A DP RCBO EV Consumer Unit

    Hager VR440EV 4 Way B40A DP RCBO EV Consumer Unit
    Delivery usually within 3 - 4 working days*
    SKU: VR440EV
    £51.82
    Hager EMN001 Stair Case Time Lag Switch

    Hager EMN001 Stair Case Time Lag Switch
    Delivery usually within 3 - 4 working days*
    SKU: EMN001
    £64.91
    Hager EHN110 Daily Time Switch 1 Channel 3 Modules

    Hager EHN110 Daily Time Switch 1 Channel 3 Modules
    Delivery usually within 3 - 4 working days*
    SKU: EHN110
    £119.20
    Hager EHN010 Daily Time Switch 1 Channel 1 Module

    Hager EHN010 Daily Time Switch 1 Channel 1 Module
    Delivery usually within 3 - 4 working days*
    SKU: EHN010
    £100.64
    Hager EGN200 Multi-Function Time Switch 2 Channels Bluetooth

    Hager EGN200 Multi-Function Time Switch 2 Channels Bluetooth
    Delivery usually within 3 - 4 working days*
    SKU: EGN200
    £134.60
    Hager EGN400 Multi-Function Time Switch 4 Channels Bluetooth

    Hager EGN400 Multi-Function Time Switch 4 Channels Bluetooth
    Delivery usually within 3 - 4 working days*
    SKU: EGN400
    £248.91
    Hager CDB540E RCCB 1P+N 40A 30mA B Class

    Hager CDB540E RCCB 1P+N 40A 30mA B Class
    Delivery usually within 3 - 4 working days*
    SKU: CDB540E
    £179.88
    Hager CDF540U RCCB 1P+N 40A 30mA F Class

    Hager CDF540U RCCB 1P+N 40A 30mA F Class
    Delivery usually within 3 - 4 working days*
    SKU: CDF540U
    £95.52
    Hager ESC225 - Contactor 25A, 2NO, 230V~50Hz

    Hager ESC225 – 2 Pole 25A 2NO 230V AC Modular Contactor
    12 In Stock
    More available within 3 - 4 working days*
    SKU: ESC225
    £35.92
    Hager ESC125 - Contactor 25A 1NO 230V 50Hz

    Hager ESC125 – 1 Pole 25A 1NO 230V AC Modular Contactor
    Delivery usually within 3 - 4 working days*
    SKU: ESC125
    £33.52
    Hager ESC425 – Contactor 25A 4NO 230V 50Hz

    Hager ESC425 – 4 Pole 25A 4NO 230V AC Modular Contactor
    4 In Stock
    More available within 3 - 4 working days*
    SKU: ESC425
    £64.21
    Live Electrical 3P+N 50A B Curve 30mA Type A RCBO

    Live Electrical 3P+N 50A B Curve 30mA Type A RCBO
    7 In Stock
    More available within 1 - 3 working days*
    SKU: RTN350B-030N
    £45.15
    Live Electrical 10kA AFDD with 6A RCBO

    Live Electrical | AFD06B-10 | AFDD with Type A RCBO | 10kA 30mA | B6
    Delivery usually within 1 - 3 working days*
    SKU: AFD06B-10
    £81.31
    Live Electrical 10kA AFDD with 10A RCBO

    Live Electrical | AFD10B-10 | AFDD with Type A RCBO | 10kA 30mA | B10
    Delivery usually within 1 - 3 working days*
    SKU: AFD10B-10
    £81.31
    Live Electrical 10kA AFDD with 16A RCBO

    Live Electrical | AFD16B-10 | AFDD with Type A RCBO | 10kA 30mA | B16
    Delivery usually within 1 - 3 working days*
    SKU: AFD16B-10
    £81.31
    Live Electrical 10kA AFDD with 20A RCBO

    Live Electrical | AFD20B-10 | AFDD with Type A RCBO | 10kA 30mA | B20
    Delivery usually within 1 - 3 working days*
    SKU: AFD20B-10
    £81.31
    Live Electrical CB206B 2 Pole MCB 6A B Curve

    Live Electrical | CB206B | 10kA | Curve B | 2 Pole Bi-Directional MCB | 6A
    Delivery usually within 1 - 3 working days*
    SKU: CB206B
    £5.89
    Live Electrical CB263C 2 Pole MCB 63A C Curve

    Live Electrical | CB263C | 10kA | Curve C | 2 Pole Bi-Directional MCB | 63A
    Delivery usually within 1 - 3 working days*
    SKU: CB263C
    £6.40

    Showing 1661–1680 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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