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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1878)

    Consumer Units

    Consumer Units (448)

    Circuit Protection Devices

    Circuit Protection Devices (1058)

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    EV Circuit Protection (107)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (120)

    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 CB120D Live Electrical CB120D 20A Curve D 10kA MCB 1

    Live Electrical CB120D 20A Curve D 10kA MCB
    21 in stock
    More available within 1 - 2 working days *
    SKU: CB120D
    £2.95
    Live Electrical EN10080/300 Live Electrical Metal Enclosure IP65 H:1000 x W:800 x D:300mm 1

    Live Electrical Metal Enclosure IP65 H:1000 x W:800 x D:300mm
    Delivery usually within 1 - 2 working days *
    SKU: EN10080/300
    £258.39
    WCED WMEV232B WCED A-Type Electric Vehicle 2 Module Enclosure - 32A RCBO B Curve 1

    WCED A-Type Electric Vehicle 2 Module Enclosure – 32A RCBO B Curve
    Delivery usually within 1 - 3 working days *
    SKU: WMEV232B
    Quantity Discount
    Quantity Price
    1 £25.99
    2+ £24.69
    3+ £24.04
    5+ £23.39
    £25.99
    WCED Double Pole Type A 30mA RCBO Curve C - 6A

    WCED Double Pole Type A 30mA RCBO Curve C – 6A
    10 in stock
    More available within 1 - 3 working days *
    SKU: WER06C-030
    £16.80
    Live Electrical ENC865 Live Electrical 8 Way Plastic Enclosure IP65

    Live Electrical ENC865 IP65 8 Way Plastic Enclosure
    2 in stock
    More available within 1 - 2 working days *
    SKU: ENC865
    £16.65
    FuseBox RCBO

    FuseBox RTA064530B 30mA Curve B 45A Type A RCBO
    97 in stock
    More available within 2 - 3 working days *
    SKU: RTA064530B
    £9.99
    Live Electrical RNC16B-30N – 16A Double Pole Single Module RCBO

    Live Electrical RNC116B-30N – B16A Double Pole Single Module RCBO
    5 in stock
    More available within 1 - 3 working days *
    SKU: RNC116B-30N
    £10.53
    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
    Hager MTN110 MCB 6kA B-10

    Hager MTN110 MCB 6kA B-10
    14 in stock
    More available within 1 - 3 working days *
    SKU: MTN110
    £2.38
    WCED Fused Main Switch with 80 and 100A Fuses

    WCED Fused Main Switch with 80 and 100A Fuses
    19 in stock
    More available within 1 - 3 working days *
    SKU: WFIS100
    £12.50
    WCED Double Pole Type A 30mA RCBO Curve B - 20A

    WCED Double Pole Type A 30mA RCBO Curve B – 20A
    8 in stock
    More available within 1 - 3 working days *
    SKU: WER20B-030
    £16.80
    Fusebox TPN11FBX

    Fusebox TPN11FBX 11 Way 125A Three Phase Board with SPD
    2 in stock
    More available within 2 - 3 working days *
    SKU: TPN11FBX
    £225.50
    WCED WEV263B-030 WCED 2 Pole 63A 30mA Type B RCD

    WCED 2 Pole 63A 30mA Type B RCD
    Delivery usually within 1 - 3 working days *
    SKU: WEV263B-030
    Quantity Discount
    Quantity Price
    1 £97.46
    2+ £92.59
    3+ £90.15
    £97.46
    Live Electrical Double Pole 63A Copper Busbar 1m 10mm² 108 Pin

    Live Electrical Double Pole 63A Copper Busbar 1m 10mm² 108 Pin
    Delivery usually within 1 - 2 working days *
    SKU: DPN63A
    £8.85
    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
    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
    Live Electrical DCM263C 2 Pole C Curve 6kA 63A 600V DC MCB

    Live Electrical DCM263C 2 Pole C Curve 6kA 63A 600V DC MCB
    5 in stock
    More available within 1 - 2 working days *
    SKU: DCM263C
    £9.50
    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

    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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