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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)

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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 (173)

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    Switch Gear (260)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Surge Devices SY12325KA2P/ENC Surge Devices SY12325KA2P/ENC

    Surge Devices SY12325KA2P/ENC Type 1+2+3 SPD – 25kA Single Phase Lightning Arrester in IP65 Enclosure
    Delivery usually within 3 - 4 working days *
    SKU: SY12325KA2P/ENC
    £174.00
    Surge Devices SY2-D/ENC Surge Devices Type 2+3 Single Module 2P SPD with Replaceable Modules and Window Indication in A 2 Module Box

    Surge Devices SY2-D/ENC Single Phase Type 2/3 SPD in Enclosure
    Delivery usually within 3 - 4 working days *
    SKU: SY2-D/ENC
    £46.80
    Surge Devices 320002/ENC Surge Devices Type 2 Single Module 2P SPD with Replaceable Modules

    Surge Devices 320002/ENC Type 2/3 SPD in IP65 Enclosure
    Delivery usually within 3 - 4 working days *
    SKU: 320002/ENC
    £50.05
    Surge Devices LSPDPV600 SPD Type 1 & 2 600V DC for Solar/PV Installations

    Surge Devices LSPDPV600 Type 1+2 PV SPD for 600V Solar Installations
    Delivery usually within 3 - 4 working days *
    SKU: LSPDPV600
    Quantity Discount
    Quantity Price
    1 £96.00
    2+ £94.08
    3+ £93.12
    £96.00
    WCED Cable Pack Kit - Forked Terminal Live

    WCED Cable Pack Kit – Forked Terminal Live, Neutral & Earth Cable
    4 in stock
    More available within 1 - 3 working days *
    SKU: Kit1-CP
    £2.00
    Hager ECR140D Hager 1 Phase kWhmeter Direct 40A 1M MODBUS MID

    Hager ECR140D 1 Phase kWh Meter Direct 40A 1M MODBUS MID
    3 in stock
    More available within 1 - 3 working days *
    SKU: ECR140D
    £111.66
    Hager PGMFT500 Hager Hi Flex Meter to Meter Supply Cable - 0.5m

    Hager PGMFT500 Hi Flex Meter to Meter Supply Cable – 0.5m
    Delivery usually within 1 - 3 working days *
    SKU: PGMFT500
    £32.96
    Live Electrical DCM206C 2 Pole C Curve 6kA 6A 600V DC MCB

    Live Electrical DCM206C 2 Pole C Curve 6kA 6A 600V DC MCB
    Delivery usually within 1 - 2 working days *
    SKU: DCM206C
    £9.50
    Hager ADC925R Hager 30mA Type A 25A 6kA C Curve 1M 1P+N Bi-Directional RCBO

    Hager ADC925R 30mA Type A 25A 6kA C Curve 1M 1P+N Bi-Directional RCBO
    4 in stock
    More available within 1 - 3 working days *
    SKU: ADC925R
    £19.43
    Hager ADB445G Hager ADB445G 30mA Curve B 6kA 45A Type A 1M 1P RCBO

    Hager ADB445G 30mA Curve B 6kA 45A Type A 1M 1P RCBO
    5 in stock
    More available within 1 - 3 working days *
    SKU: ADB445G
    £12.99
    Hager ADB410U Hager ADB410U RCBO 10kA B-10A 30mA Type A

    Hager ADB410U RCBO 10kA B-10A 30mA Type A
    13 in stock
    More available within 1 - 3 working days *
    SKU: ADB410U
    £35.76
    Hager ADC406U Hager ADC406U RCBO 10kA C-6A 30mA Type A

    Hager ADC406U RCBO 10kA C-6A 30mA Type A
    11 in stock
    More available within 1 - 3 working days *
    SKU: ADC406U
    £35.76
    Hager ADC420U Hager ADC420U RCBO 10kA C-20A 30mA Type A

    Hager ADC420U RCBO 10kA C-20A 30mA Type A
    2 in stock
    More available within 1 - 3 working days *
    SKU: ADC420U
    £35.76
    Hager ADA145U RCBO 10kA B-45A 30mA Type A

    Hager ADA145U RCBO 10kA B-45A 30mA Type A
    Delivery usually within 1 - 3 working days *
    SKU: ADA145U
    £30.99
    Hager JK116EG Hager JK116EG 16 Module Din Rail Extension Box with Glazed Door

    Hager JK116EG 16 Module Din Rail Extension Box with Glazed Door
    1 in stock
    More available within 1 - 3 working days *
    SKU: JK116EG
    £114.71
    Hager JK124BG Hager JK124BG 125A 24 Way TPN Board Glazed Door

    Hager JK124BG 125A 24 Way TPN Board Glazed Door
    Delivery usually within 1 - 3 working days *
    SKU: JK124BG
    £364.52
    Hager JK106BG 125A 6 Way TPN Board Glazed Door

    Hager JK106BG 125A 6 Way TPN Board Glazed Door
    1 in stock
    More available within 1 - 3 working days *
    SKU: JK106BG
    £140.23
    Live Electrical LSGU40616 Live Electrical LSGU40616 Garage 40A RCD Consumer Unit with 6A&16A MCBs 1

    Live Electrical LSGU40616 Garage 40A RCD Consumer Unit with 6A&16A MCBs
    Delivery usually within 1 - 3 working days *
    SKU: LSGU40616
    £31.55
    Live Electrical LSGU63620 Live Electrical LSGU63620 Garage 63A RCD Consumer Unit with 6A&20A MCBs

    Live Electrical LSGU63620 Garage 63A RCD Consumer Unit with 6A&20A MCBs
    1 in stock
    More available within 1 - 3 working days *
    SKU: LSGU63620
    £32.84 £31.55
    Live Electrical LSGU63616 Live Electrical LSGU63616 Garage 63A RCD Consumer Unit with 6A&16A MCBs

    Live Electrical LSGU63616 Garage 63A RCD Consumer Unit with 6A&16A MCBs
    Delivery usually within 1 - 3 working days *
    SKU: LSGU63616
    £32.84 £31.55

    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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