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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 1101–1120 of 2331 results

    FuseBox 80A 3P+N IP65 Metal Fused Switch

    FuseBox | TPNFS080 | 3P+N | IP65 Metal Fused Switch | 80A
    Out of Stock
    This item cannot be back-ordered
    SKU: TPNFS080
    £100.16
    Read more
    FuseBox 100A 3P+N IP65 Metal Fused Switch

    FuseBox | TPNFS100 | 3P+N | IP65 Metal Fused Switch | 100A
    Out of Stock
    This item cannot be back-ordered
    SKU: TPNFS100
    £117.48
    Read more
    WCED WKC263B 10kA 2 Pole MCB Curve B 63A

    WCED | WKC263B | 10kA | Curve B | 2 Pole Bi-Directional MCB | 63A
    Delivery usually within 1 - 3 working days*
    SKU: WKC263B
    £5.82
    WCED WRT125B-030 Bi-Directional 10kA Type A 30mA RCBO Curve B 25A

    WCED WRT125B-030 Bi-Directional 10kA Type A 30mA RCBO Curve B 25A
    Delivery usually within 1 - 3 working days*
    SKU: WRT125B-030
    £10.97
    Live RKN340B-030 Bi-Directional 3 Phase RCBO B40A

    Live Electrical | RKN340B-030 | 3P+N | Bi-Directional RCBO | Type A | Curve B | 30mA | 40A
    Delivery usually within 1 - 3 working days*
    SKU: RKN340B-030
    £48.41
    Live Electrical AMR110B-100 RCBO 100mA

    Live Electrical | AMR110B-100 | 100mA Bi-Directional Type A Compact RCBO 10A B Curve
    6 In Stock
    More available within 1 - 3 working days*
    SKU: AMR110B-100
    £9.99
    FuseBox APIMG Push In Membrane Gland Pack

    FuseBox | APIMG | Push In Membrane Gland | Mixed M20 & M32 | Pack of 12
    2 In Stock
    More available within 1 - 3 working days*
    SKU: APIMG
    £5.99
    Live 13 Way Double Pole Busbar RCBO Consumer UnitDP Busbar

    Live Electrical | LSMC16SRN/100 | 13 Way Metal Preconfigured Populated RCBO Consumer Unit | SPD | 13 x DP RCBOs
    Delivery usually within 2 - 4 working days*
    SKU: LSMC16SRN/100
    £183.76
    MS2100B 2 Pole 100A Main Switch Double Terminal

    Live Electrical | MS2100B | 2 Pole Main Switch | 100A Double Terminal Busbar Compatible
    Delivery usually within 1 - 3 working days*
    SKU: MS2100B
    £8.44
    Live Electrical | FMC10SRN/100 | 7 Way Flush Metal Preconfigured Populated RCBO Consumer Unit | SPD | 7 x DP RCBOsLive Electrical | FMC10SRN/100 | 10 Way Flush Metal Populated RCBO Consumer Unit | SPD | 7 x DP RCBOs

    Live Electrical | FMC10SRN/100 | 7 Way Flush Metal Preconfigured Populated RCBO Consumer Unit | SPD | 7 x DP RCBOs
    Out of Stock
    Expected back in stock end of May.*
    SKU: FMC10SRN/100
    £140.75
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    Live Electrical AMR145B-030 45A Bi-Directional RCBO

    Live Electrical | AMR145B-030 | 6kA 30mA | Type A B Curve | Bi-Directional RCBO | 45A
    15 In Stock
    More available within 1 - 2 working days*
    SKU: AMR145B-030
    £8.22
    Live Electrical LSMC16S-SP SRN Consumer UnitLive Electrical | LSMC16S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 13 Way

    Live Electrical | LSMC16S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 13 Way
    8 In Stock
    More available within 1 - 3 working days*
    SKU: LSMC16S-SP
    £67.42
    Hager JK1PLATEB JK1 Spare Brass Gland Plate 2mm

    Hager JK1PLATEB JK1 Spare Brass Gland Plate 2mm
    Delivery usually within 3 - 4 working days*
    SKU: JK1PLATEB
    £38.95
    Hager VM01CE Hager VM01CE Cable Protector Plate

    Hager VM01CE Cable Protector Plate
    1 In Stock
    This item cannot be back-ordered
    SKU: VM01CE
    £8.73
    Hager NCN163A Hager NCN163A Single Pole Type C MCB 63A 10kA

    Hager NCN163A Single Pole Type C MCB 63A 10kA
    Delivery usually within 3 - 4 working days*
    SKU: NCN163A
    £10.68
    Live Electrical TPN18-125 Live Electrical TPN18-125 125A 18 Way TPN Distribution Board 1

    Live Electrical TPN18-125 125A 18 Way TPN Distribution Board
    Delivery usually within 1 - 2 working days*
    SKU: TPN18-125
    £204.70
    Hager MTN163 MCB 6kA B-63

    Hager MTN163 MCB 6kA B-63
    Delivery usually within 3 - 4 working days*
    SKU: MTN163
    £2.64
    Live Electrical CB150D Live Electrical CB150D 50A Curve D 10kA MCB 1

    Live Electrical | CB150D | 10kA | Curve D | 1 Pole Bi-Directional MCB | 50A
    14 In Stock
    More available within 1 - 2 working days*
    SKU: CB150D
    £2.95
    Hager NBN310A 3 Pole Type B MCB 10A 10kA

    Hager NBN310A 3 Pole Type B MCB 10A 10kA
    Delivery usually within 3 - 4 working days*
    SKU: NBN310A
    £37.71
    Hager NBN332A 3 Pole MCB Type B 32A 10kA

    Hager NBN332A 3 Pole MCB Type B 32A 10kA
    4 In Stock
    More available within 3 - 4 working days*
    SKU: NBN332A
    £37.71

    Showing 1101–1120 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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