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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)

    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 (173)

    Switch Gear

    Switch Gear (260)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Live Electrical MDAC2P63/12V 2 Pole 63A 2NO AC Contactor/12V DC Coil

    Live Electrical MDAC2P63/12V 2 Pole 63A 2NO AC Contactor/12V DC Coil
    Delivery usually within 1 - 3 working days *
    SKU: MDAC2P63/12V
    £13.55
    Live Electrical MS1100D 1 Pole 100A Double Terminal Main Switch

    Live Electrical MS1100D 1 Pole 100A Double Terminal Main Switch
    Delivery usually within 1 - 3 working days *
    SKU: MS1100D
    £3.02
    Live Electrical MS4100D 4 Pole 100A Double Terminal Main Switch

    Live Electrical MS4100D 4 Pole 100A Double Terminal Main Switch
    Delivery usually within 1 - 3 working days *
    SKU: MS4100D
    £12.06
    Live Electrical LS-MB10 10 Module LSMC Mounting Bracket

    Live Electrical LS-MB10 10 Module LSMC Mounting Bracket
    Delivery usually within 1 - 3 working days *
    SKU: LS-MB10
    £7.52
    Live Electrical LS-MB18 18 Module LSMC Mounting Bracket

    Live Electrical LS-MB18 18 Module LSMC Mounting Bracket
    Delivery usually within 1 - 3 working days *
    SKU: LS-MB18
    £11.00
    Live Electrical LSMC04 4 Module Metal Enclosure

    Live Electrical LSMC04 4 Module Metal Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: LSMC04
    £21.07
    Live Electrical LSMC22 22 Module Metal Enclosure

    Live Electrical LSMC22 22 Module Metal Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: LSMC22
    £44.90
    Live Electrical FMC04 4 Module Flush Mounted Metal Enclosure

    Live Electrical FMC04 4 Module Flush Mounted Metal Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: FMC04
    £23.22
    Live Electrical FMC12 12 Module Flush Mounted Metal Enclosure

    Live Electrical FMC12 12 Module Flush Mounted Metal Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: FMC12
    £38.14
    Live Electrical FMC14 14 Module Flush Mounted Metal Enclosure

    Live Electrical FMC14 14 Module Flush Mounted Metal Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: FMC14
    £40.46
    Live Electrical FMC22M-SP 19 Way Flush SPD Metal Consumer Unit

    Live Electrical FMC22M-SP 19 Way Flush SPD Metal Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: FMC22M-SP
    £105.56
    WCED WKC310B 10kA 3 Pole MCB Curve B 10A

    WCED WKC310B 10kA 3 Pole MCB Curve B 10A
    Delivery usually within 1 - 3 working days *
    SKU: WKC310B
    Quantity Discount
    Quantity Price
    1 - 4 £9.95
    5+ £9.55
    10+ £9.30
    £9.95
    WCED WFD116B-030 Bi-Directional Type A 30mA B Curve 16A AFDD

    WCED WFD116B-030 Bi-Directional Type A 30mA B Curve 16A AFDD
    Delivery usually within 1 - 3 working days *
    SKU: WFD116B-030
    Quantity Discount
    Quantity Price
    1 - 2 £59.90
    3+ £57.50
    5+ £55.71
    £59.90
    Hager JK1SPKIT Single Phase Kit

    Hager JK1SPKIT Single Phase Kit
    Delivery usually within 1 - 3 working days *
    SKU: JK1SPKIT
    £40.67
    Hager MZ206 Under Voltage Release 230V AC

    Hager MZ206 Under Voltage Release 230V AC
    Delivery usually within 1 - 3 working days *
    SKU: MZ206
    £44.67
    Hager KDN363B Insulated Busbar 3P 63A Fork 10mm² 57M

    Hager KDN363B Insulated Busbar 3P 63A Fork 10mm² 57M
    1 in stock
    More available within 1 - 3 working days *
    SKU: KDN363B
    £56.76
    Hager KZ023A End Caps for Busbars (Pack of 10)

    Hager KZ023A End Caps for 2P and 3P Busbars (Pack of 10)
    4 in stock
    More available within 1 - 3 working days *
    SKU: KZ023A
    £6.10
    Niglon CS204P 20A 440V IP65 Changeover Switch

    Niglon CS204P 20A 440V IP65 Insulated Changeover Switch
    Delivery usually within 1 - 3 working days *
    SKU: CS204P
    £36.99
    Niglon CS404 40A 440V IP65 Changeover Switch

    Niglon CS404P 40A 440V IP65 Insulated Changeover Switch
    Delivery usually within 1 - 3 working days *
    SKU: CS404P
    £43.98
    matt:e ARD-1-63-TP-R-SPD EV Connection Centre with O-PEN® 63A TPN RCBO & SPD

    matt:e ARD-1-63-TP-R-SPD EV Connection Centre with O-PEN® 63A TPN Curve C RCBO & SPD
    Delivery usually within 1 - 3 working days *
    SKU: ARD-1-63-TP-R-SPD
    £1,022.30

    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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