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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1883)

    Consumer Units

    Consumer Units (469)

    Circuit Protection Devices

    Circuit Protection Devices (1052)

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    EV Circuit Protection (105)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (125)

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    Three Phase Distribution Boards (93)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (175)

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    Switch Gear (266)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Showing 441–460 of 2331 results

    Live Electrical RDA440-100 4 Pole Type A 40A 100mA RCD

    Live Electrical | RDA440-100 | 4 Pole | Bi-Directional Type A RCD | 6kA | 100mA | 40A
    Delivery usually within 1 - 2 working days*
    SKU: RDA440-100
    £15.99
    Live Electrical LSMC18M-SP Live Electrical 15 Way SPD Metal Consumer Unit 1

    Live Electrical 15 Way SPD Metal Consumer Unit
    3 In Stock
    More available within 1 - 2 working days*
    SKU: LSMC18M-SP
    £51.42
    G-ProBox Plus Consumer Unit Relocation Box

    G-ProBox Plus Consumer Unit Relocation Box
    Delivery usually within 1 - 3 working days*
    SKU: GPROBOX-PLUS
    £48.30
    Live Electrical SA240CABLE Live Electrical 6mm2 Cable Kit for SPD

    Live Electrical 6mm2 Cable Kit for SPD
    18 In Stock
    More available within 1 - 2 working days*
    SKU: SA240CABLE
    £3.58
    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 3 - 4 working days*
    SKU: ADB416U
    £37.99
    FuseBox Bi-Directional Mini RCBO 06A C Curve 30mA Type A - Compact and Reliable Protection

    FuseBox Bi-Directional Mini RCBO 6A C Curve 30mA Type A
    24 In Stock
    More available within 1 - 3 working days*
    SKU: RTAMC06BD
    £14.34
    Niglon RCBO1-40/30SSAX 40A Curve B 30mA A Type RCBO

    Niglon RCBO1-40/30SSAX 40A Curve B 30mA A Type RCBO
    54 In Stock
    More available within 1 - 3 working days*
    SKU: RCBO1-40/30SSAX
    £11.12
    Fusebox E2PMSH 2 Pole IP20 100A Main Switch Meter Isolator

    Fusebox E2PMSH 2 Pole IP20 100A Main Switch Meter Isolator
    21 In Stock
    More available within 1 - 3 working days*
    SKU: E2PMSH
    £13.54
    Garo 4 Pole 32A N0 AC-DC Contactor

    Garo GK32-4NO – 4 Pole 32A 4NO 230V AC / 220V DC Modular Contactor
    8 In Stock
    More available within 1 - 3 working days*
    SKU: GK32-4NO
    £21.39
    Garo SIAC432IP65 32A 4P IP65 Rotary Isolator Switch

    Garo | SIAC432IP65 | 32A 4P IP65 | Rotary Isolator Switch
    8 In Stock
    More available within 1 - 3 working days*
    SKU: SIAC432IP65
    £14.76
    Hager JK1PLATEM Spare Gland Plate 1.2mm

    Hager JK1PLATEM Spare Gland Plate 1.2mm
    3 In Stock
    More available within 3 - 4 working days*
    SKU: JK1PLATEM
    £25.97
    Live Electrical RI425 4 Pole 25A Rotary Isolator Switch

    Live Electrical RI425 4 Pole 25A Rotary Isolator Switch
    Delivery usually within 1 - 2 working days*
    SKU: RI425
    £10.80
    Live Electrical CB350B Live Electrical CB350B 3 Pole 50A B Curve 10kA MCB 1

    Live Electrical | CB350B | 10kA | Curve B | 3 Pole Bi-Directional MCB | 50A
    8 In Stock
    More available within 1 - 2 working days*
    SKU: CB350B
    £9.07
    WCED 2 Pole 230V 100A NO Normally Open AC Modular Contactor

    WCED WAC2P100 – 2 Pole 100A 2NO 230V AC Modular Contactor
    2 In Stock
    More available within 1 - 3 working days*
    SKU: WAC2P100
    Quantity Discount
    Quantity Price
    1 - 2 £17.80
    3+ £17.36
    5+ £16.91
    10+ £16.47
    20+ £16.02
    £17.80
    WCED Double Pole Type A 30mA RCBO Curve C - 16A

    WCED Double Pole Type A 30mA RCBO Curve C – 16A
    Delivery usually within 1 - 3 working days*
    SKU: WER16C-030
    £15.09
    FuseBox MT10B201 FuseBox MT10B201 20A Single Pole 10kA B Curve MCB

    FuseBox MT10B201 20A Single Pole 10kA B Curve MCB
    18 In Stock
    More available within 2 - 3 working days*
    SKU: MT10B201
    £3.22
    FuseBox MT10C202 FuseBox MT10C202 20A Double Pole 10kA C Curve MCB

    FuseBox MT10C202 20A Double Pole 10kA C Curve MCB
    Delivery usually within 2 - 3 working days*
    SKU: MT10C202
    £6.68
    FuseBox Bi-Directional Mini RCBO 06A C Curve 30mA Type A - Compact and Reliable Protection

    FuseBox Bi-Directional Mini RCBO 40A C Curve 30mA Type A
    29 In Stock
    More available within 1 - 3 working days*
    SKU: RTAMC40BD
    £14.34
    Live Electrical CB216C 2 Pole MCB 16A C Curve

    Live Electrical | CB216C | 10kA | Curve C | 2 Pole Bi-Directional MCB | 16A
    12 In Stock
    More available within 1 - 3 working days*
    SKU: CB216C
    £5.89
    WCED WKC163B 10kA 1 Pole MCB Curve B 63A

    WCED | WKC163B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 63A
    Delivery usually within 1 - 3 working days*
    SKU: WKC163B
    £2.96

    Showing 441–460 of 2331 results

    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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