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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)

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    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 (259)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Garo GCS8EV40CPME IP65 EV Consumer Unit with C40A Type A RCBO, PEN Fault Detection & Surge Protection

    Garo GCS8EV40CPME IP65 EV Consumer Unit with C40A Type A RCBO, PEN Fault Detection & Surge Protection
    14 in stock
    More available within 1 - 3 working days *
    SKU: GCS8EV40CPME
    £115.00
    FuseBox F3021MZ SPD Consumer UnitAngled view of the FuseBox F2021MX consumer unit with no front cover, showing internal layout

    FuseBox F3021MZ 21 Way RCBO Consumer Unit With SPD
    6 in stock
    More available within 2 - 3 working days *
    SKU: F3021MZ
    £66.62
    Hager NBN132A Hager NBN132A Single Pole Type B MCB 32A 10kA

    Hager NBN132A Single Pole Type B MCB 32A 10kA
    8 in stock
    More available within 1 - 3 working days *
    SKU: NBN132A
    £8.94
    Live Electrical AFDD - 20A

    Live Electrical | AFD20B | AFDD with Type A RCBO | 6kA 30mA | B20
    Delivery usually within 1 - 2 working days *
    SKU: AFD20B
    £66.14
    Live Electrical EN6040/200 Live Electrical Metal Enclosure IP65 H:600 x W:400 x D:200mm 1

    Live Electrical EN6040/200 IP65 Metal Enclosure H:600 x W:400 x D:200mm
    Delivery usually within 1 - 2 working days *
    SKU: EN6040/200
    £75.90
    FuseBox AFSS14 Fusebox AFSS14 Surface Stand Off Plate

    Fusebox AFSS14 Surface Stand Off Plate
    1 in stock
    More available within 2 - 3 working days *
    SKU: AFSS14
    £15.50
    WCED 4 Pole 230/400V 63A NO Normally Open AC Modular Contactor

    WCED WAC4P63 – 4 Pole 63A 4NO 230V AC Modular Contactor
    5 in stock
    More available within 1 - 3 working days *
    SKU: WAC4P63
    Quantity Discount
    Quantity Price
    1 - 2 £16.99
    3+ £16.57
    5+ £16.14
    10+ £15.72
    20+ £15.29
    £16.99
    Live Electrical CS3P63 3 Pole 63A Changeover Switch

    Live Electrical CS3P63 3 Pole 63A Changeover Switch
    2 in stock
    More available within 1 - 2 working days *
    SKU: CS3P63
    £36.90
    Fusebox TPN15FBX

    Fusebox TPN15FBX 15 Way 125A Three Phase Board
    2 in stock
    More available within 2 - 3 working days *
    SKU: TPN15FBX
    £259.18
    FuseBox MT10C162 FuseBox MT10C162 16A Double Pole 10kA C Curve MCB

    FuseBox MT10C162 16A Double Pole 10kA C Curve MCB
    17 in stock
    More available within 2 - 3 working days *
    SKU: MT10C162
    £6.68
    FuseBox MT10B203 FuseBox MT10B203 20A Triple Pole 10kA B Curve MCB

    FuseBox MT10B203 20A Triple Pole 10kA B Curve MCB
    29 in stock
    More available within 2 - 3 working days *
    SKU: MT10B203
    £9.51
    Live Electrical DCM225C 2 Pole C Curve 6kA 25A 600V DC MCB

    Live Electrical DCM225C 2 Pole C Curve 6kA 25A 600V DC MCB
    Delivery usually within 1 - 2 working days *
    SKU: DCM225C
    £9.50
    Live Electrical SA240CABLE Live Electrical 6mm2 Cable Kit for SPD

    Live Electrical 6mm2 Cable Kit for SPD
    Delivery usually within 1 - 2 working days *
    SKU: SA240CABLE
    £3.58
    Niglon RCBO1-6/30SSAX 6A Curve B 30mA A Type RCBO

    Niglon RCBO1-6/30SSAX 6A Curve B 30mA A Type RCBO
    9 in stock
    More available within 1 - 3 working days *
    SKU: RCBO1-6/30SSAX
    £11.12
    Niglon RCBO1-40/30SSAX 40A Curve B 30mA A Type RCBO

    Niglon RCBO1-40/30SSAX 40A Curve B 30mA A Type RCBO
    53 in stock
    More available within 1 - 3 working days *
    SKU: RCBO1-40/30SSAX
    £11.12
    Garo GCS8EV40PME IP65 EV Consumer Unit with B40A Type A RCBO

    Garo GCS8EV40PME IP65 EV Consumer Unit with B40A Type A RCBO, PEN Fault Detection & Surge Protection
    18 in stock
    More available within 1 - 3 working days *
    SKU: GCS8EV40PME
    £115.00
    Live Electrical CB310C Live Electrical CB310C 3 Pole 10A C Curve 10kA MCB 1

    Live Electrical CB310C 3 Pole 10A C Curve 10kA MCB
    11 in stock
    More available within 1 - 2 working days *
    SKU: CB310C
    £8.37
    Live Electrical CB132D Live Electrical CB132D 32A Curve D 10kA MCB 1

    Live Electrical CB132D 32A Curve D 10kA MCB
    13 in stock
    More available within 1 - 2 working days *
    SKU: CB132D
    £2.95
    Fusebox F1M2SPD Stand Alone Surge Protection Device

    Fusebox F1M2SPD Stand Alone Surge Protection Device
    Delivery usually within 2 - 3 working days *
    SKU: F1M2SPD
    £54.90
    Fusebox F2004RA 4 Way Type A 63A RCD Consumer Unit

    Fusebox F2004RA 4 Way Type A 63A RCD Consumer Unit
    10 in stock
    More available within 2 - 3 working days *
    SKU: F2004RA
    £33.58

    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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