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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)

    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 (158)

    Switch Gear

    Switch Gear (259)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    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
    2 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
    FuseBox AREG FuseBox AREG Rear Entry Push-In Cable Gland

    FuseBox AREG Rear Entry Push-In Cable Gland – Pack of 5
    53 in stock
    More available within 2 - 3 working days *
    SKU: AREG
    £2.95
    FuseBox F3011MZ 11 Way SPD Consumer Unit Kit – with 8 RCBOs

    FuseBox F3011MZ 11 Way SPD Consumer Unit Kit – with 8 RCBOs
    Delivery usually within 2 - 3 working days *
    SKU: F3011MZ/8RCBO
    £141.99
    FuseBox F3021MZ 21 Way SPD Consumer Unit Kit – with 15 RCBOs

    FuseBox F3021MZ 21 Way SPD Consumer Unit Kit – with 15 RCBOs
    Delivery usually within 2 - 3 working days *
    SKU: F3021MZ/15RCBO
    £220.78
    Live Electrical EMCU4-SP Live Electrical 4 Way Metal CU with 20/40kA SPD and 100A Main Switch 1

    Live Electrical EMCU4-SP Metal Enclosure with Type 2 SPD and 100A Main Switch
    5 in stock
    More available within 1 - 2 working days *
    SKU: EMCU4-SP
    £33.99
    Live Electrical EMCU2-A 2 Way Empty DIN Rail Metal Enclosure With Lid

    Live Electrical EMCU2-A 2 Way Empty DIN Rail Metal Enclosure With Lid
    1 in stock
    More available within 1 - 2 working days *
    SKU: EMCU2-A
    £8.90
    Envirograf EBU0 EnviroBurst Automatic Fire Suppression System - 150mm Long Tube 1

    EnviroBurst Automatic Fire Suppression System – 150mm Long Tube
    4 in stock
    More available within 1 - 3 working days *
    SKU: EBU0
    £23.49
    WCED WMEPME06/C40 PME Fault Detection Unit 6 Mod c/w C40 RCBO /4P63A contactor & PME Relays 1

    PME / PEN Fault Detection Unit 6 Mod c/w C40 RCBO /4P63A contactor & PME Relays
    Delivery usually within 1 - 3 working days *
    SKU: WMEPME06/C40
    Quantity Discount
    Quantity Price
    1 £91.50
    2+ £89.67
    3+ £88.76
    £91.50
    WCED Consumer Unit Kit with SPD and 4 RCBOs

    WCED Consumer Unit Kit with SPD and 4 RCBOs
    Delivery usually within 1 - 3 working days *
    SKU: WME8/SP/4RCBO
    £77.03
    FuseBox SPD1MT2 T2 single module surge protection device with DIN rail mount and busbar connection for 230V single-phase circuits.

    Fusebox SPD1MT2 Single Module Type 2 SPD Surge Protection Device
    6 in stock
    More available within 1 - 3 working days *
    SKU: SPD1MT2
    £27.72
    Live Electrical SAMODKIT240 Live Electrical SPD Kit SA240 Type 2

    Live Electrical SA240 SPD Type 2 Kit
    Delivery usually within 1 - 2 working days *
    SKU: SAMODKIT240
    £25.90
    FuseBox RTAMC40 40A Mini Type A RCBO

    FuseBox RTAMC40 40A Mini Type A RCBO
    34 in stock
    This item cannot be back-ordered
    SKU: RTAMC40
    £13.50 £12.49
    WCED WAC2P125 WCED 2 Pole 125A 2NO AC Contactor

    WCED WAC2P125 – 2 Pole 125A 2NO 230V AC Modular Contactor
    3 in stock
    More available within 1 - 3 working days *
    SKU: WAC2P125
    Quantity Discount
    Quantity Price
    1 - 2 £30.60
    3+ £29.84
    5+ £29.07
    10+ £28.31
    20+ £27.54
    £30.60
    Live Electrical RI25DC Live Electrical 4 Pole 25A DC Rotary Isolator Switch 1

    Live Electrical RI25DC 4 Pole 25A DC Rotary Isolator Switch
    Delivery usually within 1 - 2 working days *
    SKU: RI25DC
    £20.99 £16.10
    IP65 Metal A Type 40A C Curve RCBO EV Protection Unit Plus Surge Protection

    IP65 Metal A Type 40A C Curve RCBO EV Protection Unit Plus Surge Protection
    Delivery usually within 1 - 3 working days *
    SKU: WMIP40CSP
    Quantity Discount
    Quantity Price
    1 £47.35
    2+ £46.31
    3+ £44.98
    5+ £43.80
    10+ £42.62
    £47.35
    Live Electrical 5 Way SPD Metal Consumer Unit Kit with 4 RCBOs

    Live Electrical 5 Way SPD Metal Consumer Unit Kit with 4 RCBOs
    Delivery usually within 1 - 2 working days *
    SKU: LSMC8M-SP/4RCBO
    £75.91
    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
    12 in stock
    More available within 1 - 3 working days *
    SKU: RCBO1-32/30SAX2
    £12.78
    FuseBox F3015MZ SPD Consumer Unit

    FuseBox F3015MZ 15 Way RCBO Consumer Unit With SPD
    Delivery usually within 2 - 3 working days *
    SKU: F3015MZ
    £61.85
    Hager KRN190 Neutral Connecting Block 100A

    Hager KRN190 Neutral Connecting Block 100A
    1 in stock
    More available within 1 - 3 working days *
    SKU: KRN190
    £10.09

    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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