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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)

    WCED WME10 WCED 10 Way Metal Enclosure 1

    WCED 10 Way Metal Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: WME10
    Quantity Discount
    Quantity Price
    1 - 4 £29.94
    5+ £29.19
    10+ £28.44
    20+ £27.69
    £29.94
    FuseBox RTA100630C FuseBox RTA100630C 6A 30mA 10kA C Curve Type A RCBO

    FuseBox RTA100630C 6A 30mA 10kA C Curve Type A RCBO
    29 in stock
    More available within 2 - 3 working days *
    SKU: RTA100630C
    £15.99
    3 Phase PME / PEN Fault Detection Unit for 2 x 3 Phase Car Chargers

    3 Phase PME / PEN Fault Detection Unit for 2 x 3 Phase Car Chargers
    Delivery usually within 1 - 3 working days *
    SKU: WMTP28-R40CSP
    Quantity Discount
    Quantity Price
    1 £228.69
    2+ £224.12
    3+ £221.83
    £228.69
    Hager ADB440G Hager ADB440G 40A B Type RCBO 6kA 30mA

    Hager ADB440G 40A B Type RCBO 6kA 30mA
    3 in stock
    More available within 1 - 3 working days *
    SKU: ADB440G
    £12.99
    Fusebox SF0100RA Fused Switch With 100A 100MA Type A RCD

    Fusebox SF0100RA 100A Fused Switch With 100mA Type A RCD
    6 in stock
    More available within 2 - 3 working days *
    SKU: SF0100RA
    £58.45
    Niglon RCBO1-32/30SAX2 32A RCBO – Type A, Curve B, 30mA, 6kA, Bi-Directional, Compact 18mm RCBO.

    Niglon RCBO1-32/30SAX2 32A Curve B 30mA Bi-Directional A Type RCBO
    31 in stock
    More available within 1 - 3 working days *
    SKU: RCBO1-32/30SAX2
    £12.78
    Garo GS8EV40PME EV Consumer Unit with PEN Fault Detection | B40A RCBO Type A + SPD

    Garo GS8EV40PME EV Consumer Unit with PEN Fault Detection | B40A RCBO Type A + SPD
    2 in stock
    More available within 1 - 3 working days *
    SKU: GS8EV40PME
    £115.00
    Live Electrical 10kA RCBO 40A Curve C Type A 30mA 1P+N

    Live Electrical 10kA RCBO 40A Curve C Type A 30mA 1P+N
    28 in stock
    More available within 1 - 2 working days *
    SKU: RA140C-030
    £10.24
    Fire Retardant Consumer Unit / Meter Board 12" x 24" ( 304 x 608mm )

    Fire Retardant Consumer Unit / Meter Board 12″ x 24″ ( 304 x 608mm )
    8 in stock
    More available within 1 - 3 working days *
    SKU: MB1224
    £18.90
    FuseBox F3021MZ 21 Way SPD Consumer Unit Kit – with 15 RCBOs

    FuseBox F3021MZ 21 Way SPD Consumer Unit Kit – with 15 RCBOs
    In Stock
    SKU: F3021MZ/15RCBO
    £220.78
    Live Electrical RI440 40A Weatherproof Rotary Isolator Switch 4 Pole 1

    Live Electrical RI440 4 Pole 40A IP65 Rotary Isolator Switch
    3 in stock
    More available within 1 - 2 working days *
    SKU: RI440
    £15.90
    Live Electrical EN4030/200 IP65 Metal Enclosure H:400 x W:300 x D:200mm

    Live Electrical EN4030/200 IP65 Metal Enclosure H:400 x W:300 x D:200mm
    Delivery usually within 1 - 2 working days *
    SKU: EN4030/200
    £46.75
    Live Electrical SA140 Live Electrical 1 Pole 20kA/40kA Type 2 Surge Protective Device

    Live Electrical SA140 1 Pole 20kA/40kA Type 2 Surge Protective Device
    7 in stock
    More available within 1 - 2 working days *
    SKU: SA140
    £9.55
    FuseBox AREG FuseBox AREG Rear Entry Push-In Cable Gland

    FuseBox AREG Rear Entry Push-In Cable Gland – Pack of 5
    49 in stock
    More available within 2 - 3 working days *
    SKU: AREG
    £2.95
    FuseBox F3015MZ SPD Consumer Unit

    FuseBox F3015MZ 15 Way RCBO Consumer Unit With SPD
    10 in stock
    More available within 2 - 3 working days *
    SKU: F3015MZ
    £61.85
    WCED WHP240-030 ️Type B HP 40A RCD for Heat Pumps & Inverters

    ️Type B HP 40A RCD for Heat Pumps & Inverters
    Delivery usually within 1 - 3 working days *
    SKU: WHP240-030
    Quantity Discount
    Quantity Price
    1 £104.96
    2+ £99.71
    3+ £97.09
    £104.96
    WCED WME44100 4 Pole 100A Metal Meter Isolator

    WCED WME44100 4 Pole 100A Metal Meter Isolator
    Delivery usually within 1 - 3 working days *
    SKU: WME44100
    £17.09
    WCED WPGU04/616 Plastic IP65 Garage Consumer Unit - 63A Type A RCD 6A/16A B MCBs

    WCED WPGU04/616 Plastic IP65 Garage Consumer Unit – 63A Type A RCD 6A/16A B MCBs
    1 in stock
    More available within 1 - 3 working days *
    SKU: WPGU04/616
    Quantity Discount
    Quantity Price
    1 - 2 £24.84
    3+ £24.22
    5+ £23.60
    10+ £22.98
    £24.84
    WCED WHA865 WCED 8 Way Empty Plastic Enclosure 1

    WCED 8 Way Empty Plastic Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: WHA865
    Quantity Discount
    Quantity Price
    1 - 4 £13.07
    5+ £12.74
    10+ £12.42
    20+ £12.09
    £13.07
    WCED 3 Way Garage Metal SPD Consumer Unit with 6/16A RCBOs

    WCED 3 Way Garage Metal SPD Consumer Unit with 6/16A RCBOs
    Delivery usually within 1 - 3 working days *
    SKU: WME06/SP/G/616
    £51.45

    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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