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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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    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Showing 1441–1460 of 2331 results

    Garo 7 Way SPD Consumer Unit Kit Bi-Directional RCBOs

    Garo SPD Consumer Unit Kit | 7 Usable Ways | 5 Bi-Directional Type A RCBOs | Meter Tails Gland
    Delivery usually within 1 - 3 working days*
    SKU: GS10S7C/5BIRCOB/KIT
    £118.32
    Timeguard TX1118 15 Way SPD Consumer Unit

    Timeguard | TX1118 | 15 Way Main Consumer Unit | Type 2 SPD
    Delivery usually within 1 - 3 working days*
    SKU: TX1118
    £63.44
    Timeguard TX2406 6A Type A RCBO

    Timeguard | TX2406 | B Curve | 6kA | Type A RCBO | 6A
    4 In Stock
    More available within 1 - 3 working days*
    SKU: TX2406
    £9.30
    Timeguard TX2410 10A Type A RCBO

    Timeguard | TX2410 | B Curve | 6kA | Type A RCBO | 10A
    Delivery usually within 1 - 3 working days*
    SKU: TX2410
    £9.30
    Timeguard TX2420 20A Type A RCBO

    Timeguard | TX2420 | B Curve | 6kA | Type A RCBO | 20A
    Delivery usually within 1 - 3 working days*
    SKU: TX2420
    £9.30
    Timeguard TX2532 32A Type A Bi-Directional RCBO

    Timeguard | TX2532 | B Curve | 6kA | Type A Bi-Directional RCBO | 32A
    1 In Stock
    More available within 1 - 3 working days*
    SKU: TX2532
    £12.58
    Deligo MC1254P6 4NO 125A 230V AC Modular Contactor

    Deligo | MC1254P6 | 4NO 125A AC1 230V AC | Modular Contactor
    Delivery usually within 1 - 3 working days*
    SKU: MC1254P6
    £81.34
    Axiom SF63N 63A 415V TPN Switch Fuse

    Axiom | SF63N | 63A 415V IP54 | Three Phase Switch Fuse
    1 In Stock
    This item cannot be back-ordered
    SKU: SF63N
    £110.11
    Axiom HSC80SP 100A Single Pole Fuse Cut Out

    Axiom | HSC80SP | 100A Single Pole Fuse Cut Out
    1 In Stock
    More available within 1 - 3 working days*
    SKU: HSC80SP
    £18.06
    FuseBox MAFDD064030B 40A 30mA Mini AFDDFuseBox | MAFDD064030B | 6kA | 30mA | 40A Mini AFDD

    FuseBox | MAFDD064030B | 6kA | 30mA | 40A Mini AFDD
    5 In Stock
    More available within 1 - 3 working days*
    SKU: MAFDD064030B
    £79.99
    Live RKN316B-030 Bi-Directional 3 Phase RCBO B16A

    Live Electrical | RKN316B-030 | 3P+N | Bi-Directional RCBO | Type A | Curve B | 30mA | 16A
    Delivery usually within 1 - 3 working days*
    SKU: RKN316B-030
    £48.41
    Niglon PCU1008M SPD Consumer Unit Kit7 Way Main Switch SPD Consumer Unit with RCBOs and Tails Gland

    Niglon | PCU1008M | Protego | SPD Consumer Unit Kit | 7 Usable Way | 5 Bi-Directional RCBOs
    Delivery usually within 1 - 3 working days*
    SKU: PCU1008M/5RCBO/BIDIR
    £108.05
    Live 11 Way Double Pole Busbar RCBO Consumer Unit

    Live Electrical | LSMC14SRN/100 | 11 Way Metal Preconfigured Populated RCBO Consumer Unit | SPD | 11 x DP RCBOs
    Delivery usually within 2 - 4 working days*
    SKU: LSMC14SRN/100
    £152.85
    Grey IP65 Metal 3 Phase EV Consumer Unit C40A RCBO

    Live Electrical | AGU840SP-P/G | Grey IP65 Metal 3 Phase EV Consumer Unit | C40A Type A RCBO
    Delivery usually within 1 - 3 working days*
    SKU: AGU840SP-P/G
    £96.17
    Live Electrical | FMC14SRN/100 | 11 Way Flush Metal Preconfigured Populated RCBO Consumer Unit | SPD | 11 x DP RCBOs

    Live Electrical | FMC14SRN/100 | 11 Way Flush Metal Preconfigured Populated RCBO Consumer Unit | SPD | 11 x DP RCBOs
    Out of Stock
    Expected back in stock end of May.*
    SKU: FMC14SRN/100
    £198.00
    Read more
    Live Electrical LHP840MSE Heat Pump Consumer UnitLive Electrical | LHP840MSE | Heat Pump Consumer Unit | 8 Module | 40A Type B HP RCD | 40A C Curve MCB | SPD

    Live Electrical | LHP840MSE | Heat Pump Consumer Unit | 8 Module | 40A Type B HP RCD | 40A C Curve MCB | SPD
    Delivery usually within 1 - 3 working days*
    SKU: LHP840MSE
    £147.08
    Live Electrical Heat Pump Consumer Unit C16 RCBOLive CEB240-030 40A 2 Pole Type B HP RCD for Heat Pumps

    Live Electrical | LHP1040MSE-2R | Heat Pump Consumer Unit | 40A Type B HP RCD | 1 x C16 MCB 2 x C16 RCBO | SPD
    2 In Stock
    More available within 1 - 3 working days*
    SKU: LHP1040MSE-2R
    £180.33
    Whitecliffe WPGU05-EV IP65 4/5 Way Plastic EnclosureWCED | WPGU05-EV | IP65 4/5 Way Plastic Enclosure with Earth & Neutral Bars

    WCED | WPGU05-EV | IP65 4/5 Way Plastic Enclosure with Earth & Neutral Bars
    Delivery usually within 1 - 3 working days*
    SKU: WPGU05-EV
    Quantity Discount
    Quantity Price
    1 - 4 £10.93
    5+ £10.66
    10+ £10.38
    20+ £10.11
    £10.93
    Hager VME11920SPD 19+20 Way Consumer Unit

    Hager | VME11920SPD | Design Evo | 19+20 Way Main Switch Consumer Unit | Double Row | Type 2 SPD
    Delivery usually within 3 - 4 working days*
    SKU: VME11920SPD
    £231.02
    Hager VME004 4 Way DIN Rail Enclosure

    Hager | VME004 | Design Evo | 4 Way DIN Rail Enclosure
    1 In Stock
    More available within 3 - 4 working days*
    SKU: VME004
    £20.92

    Showing 1441–1460 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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