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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)

    Live Electrical RNA40C-030 RCBO A Type DP Bi-Directional 40A C Curve 30mA

    Live Electrical RNA40C-030 RCBO A Type DP Bi-Directional 40A C Curve 30mA
    20 in stock
    More available within 1 - 3 working days *
    SKU: RNA40C-030
    £10.43
    Live Electrical MS2100D 2 Pole 100A Double Terminal Main Switch

    Live Electrical MS2100D 2 Pole 100A Double Terminal Main Switch
    2 in stock
    More available within 1 - 3 working days *
    SKU: MS2100D
    £5.49
    Live Electrical TPN06-125 Live Electrical TPN06-125 125A 6 Way TPN Distribution Board 1

    Live Electrical TPN06-125 125A 6 Way TPN Distribution Board
    Delivery usually within 1 - 2 working days *
    SKU: TPN06-125
    £97.91
    Live Electrical RC140C-030 Live 30mA 40A RCBO 10kA Curve C Type AC 1

    Live 30mA 40A RCBO 10kA Curve C Type AC
    8 in stock
    More available within 1 - 2 working days *
    SKU: RC140C-030
    £10.99 £5.99
    Live Electrical MAC2P63 Live Electrical MAC2P63 63A Modular AC Contractor 2 Pole NO 1

    Live Electrical MAC2P63 – 2 Pole 63A 2NO 230V AC Modular Contactor
    5 in stock
    More available within 1 - 2 working days *
    SKU: MAC2P63
    £9.79
    WCED Whitecliffe WSPD340 20kA/40kA 3 Pole Type 2 Surge Protection Device

    WCED Whitecliffe WSPD340 20kA/40kA 3 Pole Type 2 Surge Protection Device
    Delivery usually within 1 - 3 working days *
    SKU: WSPD340
    £19.20
    WCED WAC2P32 WCED 2 Pole 32A 2NO AC Contactor

    WCED WAC2P32 – 2 Pole 32A 2NO 230V AC Modular Contactor
    Delivery usually within 1 - 3 working days *
    SKU: WAC2P32
    Quantity Discount
    Quantity Price
    1 - 2 £5.99
    3+ £5.84
    5+ £5.69
    10+ £5.54
    20+ £5.39
    £5.99
    WCED Double Pole Type A 30mA RCBO Curve B - 20A

    WCED Double Pole Type A 30mA RCBO Curve B – 20A
    9 in stock
    More available within 1 - 3 working days *
    SKU: WER20B-030
    £16.80
    Live Electrical LSMC10M-SP Live Electrical 7 Way SPD Metal Consumer Unit 1

    Live Electrical 7 Way SPD Metal Consumer Unit
    3 in stock
    More available within 1 - 2 working days *
    SKU: LSMC10M-SP
    £41.90
    FuseBox RCBO

    FuseBox RTA064530B 30mA Curve B 45A Type A RCBO
    99 in stock
    More available within 2 - 3 working days *
    SKU: RTA064530B
    £9.99
    Hager ADB416U Hager ADB416U RCBO 10kA B-16A 30mA Type A

    Hager ADB416U RCBO 10kA B-16A 30mA Type A
    3 in stock
    More available within 1 - 3 working days *
    SKU: ADB416U
    £35.76
    Live Electrical 3 Way SPD Metal Garage Consumer Unit Kit with 2 RCBOs

    Live Electrical 3 Way SPD Metal Garage Consumer Unit Kit with 2 RCBOs
    Delivery usually within 1 - 3 working days *
    SKU: LSMC6M-SP/2RCBO
    £54.00
    Unicrimp QGT10B Grommet Strip Edge Roll - 5mm x 8mm x 10m (Black)

    Unicrimp QGT10B Grommet Strip Edge Roll – 5mm x 8mm x 10m (Black)
    8 in stock
    More available within 1 - 3 working days *
    SKU: QGT10B
    £7.90
    WCED WKC110C 10kA 1 Pole MCB Curve C 10A

    WCED WKC110C 10kA 1 Pole MCB Curve C 10A
    Delivery usually within 1 - 3 working days *
    SKU: WKC110C
    Quantity Discount
    Quantity Price
    1 - 4 £3.28
    5+ £3.15
    10+ £3.07
    £3.28
    Live Electrical 10kA RCBO 32A Curve C Type A 30mA 1P+N

    Live Electrical 10kA RCBO 32A Curve C Type A 30mA 1P+N
    Delivery usually within 1 - 2 working days *
    SKU: RA132C-030
    £10.24
    Live Electrical CB363B Live Electrical CB363B 3 Pole 63A B Curve 10kA MCB 1

    Live Electrical CB363B 3 Pole 63A B Curve 10kA MCB
    1 in stock
    More available within 1 - 2 working days *
    SKU: CB363B
    £9.07
    FuseBox MAFDD061630B 16A 30mA Mini AFDD

    FuseBox MAFDD061630B 16A 30mA Mini AFDD
    5 in stock
    More available within 2 - 3 working days *
    SKU: MAFDD061630B
    £84.65
    WCED WKB125C WCED 1 Pole 25A C Curve 10 kA MCB 1

    WCED 1 Pole 25A Curve C 10kA MCB
    2 in stock
    More available within 1 - 3 working days *
    SKU: WKB125C
    Quantity Discount
    Quantity Price
    1 - 4 £3.35
    5+ £3.22
    10+ £3.13
    £3.35
    Live Electrical RA232B-030 Live Electrical Double Pole Type A RCBO - Curve B - 32A 1

    Live Electrical Double Pole Type A RCBO – Curve B – 32A
    Delivery usually within 1 - 2 working days *
    SKU: RA232B-030
    £13.99
    WCED Double Pole Type A 30mA RCBO Curve B - 10A

    WCED Double Pole Type A 30mA RCBO Curve B – 10A
    6 in stock
    More available within 1 - 3 working days *
    SKU: WER10B-030
    £16.80

    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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