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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)

    EV Circuit Protection

    EV Circuit Protection (105)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (125)

    Three Phase Distribution Boards

    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 281–300 of 2331 results

    Live Electrical 10kA RCBO 25A Curve B Type A 30mA 1P+N

    Live Electrical 10kA RCBO 25A Curve B Type A 30mA 1P+N
    Delivery usually within 1 - 2 working days*
    SKU: RA125B-030
    £10.99
    WCED WMEPME10/LB PME Fault Detection Unit with Load Management 10 Mod c/w C40 RCBO Relays and SPD 1

    PME / PEN Fault Detection Unit with Load Management 10 Mod c/w C40 RCBO Relays and SPD
    Delivery usually within 1 - 3 working days*
    SKU: WMEPME10/LB
    Quantity Discount
    Quantity Price
    1 £122.62
    2+ £118.94
    3+ £116.49
    £122.62
    FuseBox RTB630304M FuseBox RTB630304M 63A 4 Pole 30MA Type B RCD

    FuseBox RTB630304M 63A 4 Pole 30mA Type B RCD
    Delivery usually within 2 - 3 working days*
    SKU: RTB630304M
    £137.70
    Live Electrical EMCU4-SP Live Electrical 4 Way Metal CU with 20/40kA SPD and 100A Main Switch 1

    Live Electrical EMCU4-SP Metal Enclosure with Type 2 SPD and 100A Main Switch
    4 In Stock
    More available within 1 - 2 working days*
    SKU: EMCU4-SP
    £33.99
    Envirograf EBU0 EnviroBurst Automatic Fire Suppression System - 150mm Long Tube 1

    EnviroBurst Automatic Fire Suppression System – 150mm Long Tube
    13 In Stock
    More available within 1 - 3 working days*
    SKU: EBU0
    £23.49
    FuseBox MT10B321 FuseBox MT10B321 32A Single Pole 10kA B Curve MCB

    FuseBox MT10B321 32A Single Pole 10kA B Curve MCB
    41 In Stock
    More available within 2 - 3 working days*
    SKU: MT10B321
    £3.22
    WCED WKC110C 10kA 1 Pole MCB Curve C 10A

    WCED | WKC110C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 10A
    Delivery usually within 1 - 3 working days*
    SKU: WKC110C
    £2.96
    Live Electrical EMCU2-A 2 Way Empty DIN Rail Metal Enclosure With Lid

    Live Electrical EMCU2-A 2 Way Empty DIN Rail Metal Enclosure With Lid
    2 In Stock
    More available within 1 - 2 working days*
    SKU: EMCU2-A
    £8.90
    Live Electrical CB306B Live Electrical CB306B 3 Pole 6A B Curve 10kA MCB 1

    Live Electrical | CB306B | 10kA | Curve B | 3 Pole Bi-Directional MCB | 6A
    13 In Stock
    More available within 1 - 2 working days*
    SKU: CB306B
    £8.37
    Live Electrical RA216C-030 Live Electrical Double Pole Type A RCBO - Curve C - 16A 1

    Live Electrical Double Pole Type A RCBO – Curve C – 16A
    Delivery usually within 1 - 2 working days*
    SKU: RA216C-030
    £13.99
    WCED WKC120C 10kA 1 Pole MCB Curve C 20A

    WCED | WKC120C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 20A
    Delivery usually within 1 - 3 working days*
    SKU: WKC120C
    £2.96
    Live Electrical SAMODKIT240 Live Electrical SPD Kit SA240 Type 2

    Live Electrical SA240 SPD Type 2 Kit
    Delivery usually within 1 - 2 working days*
    SKU: SAMODKIT240
    £25.90
    Live Electrical TPN10-125S Live Electrical 125 Amp 10 Way TPN Distribution Board with SPD 1

    Live Electrical TPN10-125S 125 Amp 10 Way TPN Distribution Board with SPD
    Delivery usually within 1 - 2 working days*
    SKU: TPN10-125S
    £162.50
    FuseBox RTAMC40 40A Mini Type A RCBO

    FuseBox RTAMC40 40A Mini Type A RCBO
    33 In Stock
    This item cannot be back-ordered
    SKU: RTAMC40
    £13.50 £12.49
    WCED 5 Way SPD Metal Consumer Unit

    WCED | WME08/SP | SPD Consumer Unit | 5 Way
    Delivery usually within 1 - 3 working days*
    SKU: WME08/SP
    £38.01
    WCED WAC2P125 WCED 2 Pole 125A 2NO AC Contactor

    WCED WAC2P125 – 2 Pole 125A 2NO 230V AC Modular Contactor
    3 In Stock
    More available within 1 - 3 working days*
    SKU: WAC2P125
    Quantity Discount
    Quantity Price
    1 - 2 £32.13
    3+ £31.33
    5+ £30.52
    10+ £29.72
    20+ £28.92
    £32.13
    IP65 Metal A Type 40A C Curve RCBO EV Protection Unit Plus Surge Protection

    IP65 Metal A Type 40A C Curve RCBO EV Protection Unit Plus Surge Protection
    Delivery usually within 1 - 3 working days*
    SKU: WMIP40CSP
    Quantity Discount
    Quantity Price
    1 £44.78
    2+ £43.88
    3+ £42.54
    5+ £41.42
    10+ £40.30
    £44.78
    WCED WKC132B 10kA 1 Pole MCB Curve B 32A

    WCED | WKC132B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 32A
    Delivery usually within 1 - 3 working days*
    SKU: WKC132B
    £2.96
    Live Electrical EMU4 4 Way Empty DIN Rail Metal Enclosure With Lid

    Live Electrical EMU4 4 Way Empty DIN Rail Metal Enclosure With Lid
    Delivery usually within 1 - 2 working days*
    SKU: EMU4
    £9.74
    Hager KRN190 Neutral Connecting Block 100A

    Hager KRN190 Neutral Connecting Block 100A
    1 In Stock
    More available within 3 - 4 working days*
    SKU: KRN190
    £10.60

    Showing 281–300 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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