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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 621–640 of 2331 results

    WCED 2 Pole 63A 100mA Time Delay Type A RCD

    WCED 2 Pole 63A 100mA Time Delay Type A RCD
    Delivery usually within 1 - 3 working days*
    SKU: WARTD263-100
    £28.93
    WCED WRT106B-030 Bi-Directional 10kA Type A 30mA RCBO Curve B 6A

    WCED WRT106B-030 Bi-Directional 10kA Type A 30mA RCBO Curve B 6A
    Delivery usually within 1 - 3 working days*
    SKU: WRT106B-030
    £10.97
    Timeguard IS3N-20AC 20A 3P IP66 Rotary Isolator Switch

    Timeguard | IS3N-20AC | 20A 3P IP66 | Rotary Isolator Switch
    1 In Stock
    More available within 1 - 3 working days*
    SKU: IS3N-20AC
    £9.10
    Live Electrical AMR120B-100 RCBO 100mA

    Live Electrical | AMR120B-100 | 100mA Bi-Directional Type A Compact RCBO 20A B Curve
    9 In Stock
    More available within 1 - 3 working days*
    SKU: AMR120B-100
    £9.99
    WME12/HP40C Type B HP RCD Heat Pump Consumer Unit

    WCED | WME12/HP40C | 12 Module | Heat Pump Consumer Unit | 40A Type B RCD | 3 x C16 MCB | SPD
    Delivery usually within 1 - 3 working days*
    SKU: WME12/HP40C
    Quantity Discount
    Quantity Price
    1 - 2 £153.72
    3+ £147.57
    5+ £141.42
    £153.72
    Hager SBN290 100A Double Pole Isolator

    Hager SBN290 100A Double Pole Isolator
    1 In Stock
    More available within 3 - 4 working days*
    SKU: SBN290
    £37.12
    Hager MTN106 MCB 6kA B-6

    Hager MTN106 MCB 6kA B-6
    3 In Stock
    More available within 3 - 4 working days*
    SKU: MTN106
    £2.45
    Fusebox EV40A EV Charger Supply Unit 40A

    Fusebox EV40A EV Charger Supply Unit 40A
    6 In Stock
    More available within 2 - 3 working days*
    SKU: EV40A
    £42.04
    Live Electrical TPN16-125S Live Electrical 125 Amp 16 Way TPN Distribution Board with SPD 1

    Live Electrical TPN16-125S 125 Amp 16 Way TPN Distribution Board with SPD
    Delivery usually within 1 - 2 working days*
    SKU: TPN16-125S
    £238.68
    Fusebox AFMF24 24 Module Flush Mounting Frame Kit

    Fusebox AFMF24 24 Module Flush Mounting Frame Kit
    1 In Stock
    More available within 2 - 3 working days*
    SKU: AFMF24
    £20.85
    Fusebox EV32B EV Charger Supply Unit 32A With B Type RCD

    Fusebox EV32B EV Charger Supply Unit 32A With B Type RCD
    3 In Stock
    More available within 2 - 3 working days*
    SKU: EV32B
    £137.39
    Live Electrical EN6060/300 IP65 Metal Enclosure, 600x600x300mm, steel construction with RAL7035 epoxy powder coat, featuring galvanised mounting plate and polyurethane foamed gasket for water-tight sealing.

    Live Electrical EN6060/300 IP65 Metal Enclosure H:600 x W:600 x D:300mm
    Delivery usually within 1 - 2 working days*
    SKU: EN6060/300
    £125.40
    WCED 6 Way Main Switch Consumer UnitWCED | WME08/MS100 | 100A Main Switch Consumer Unit | 6 Way

    WCED | WME08/MS100 | 100A Main Switch Consumer Unit | 6 Way
    Delivery usually within 1 - 3 working days*
    SKU: WME08/MS100
    £24.35
    WCED WMGU04/616 Metal Garage Consumer Unit - 63A Type A RCD 6A/16A B MCBs

    WCED WMGU04/616 Metal Garage Consumer Unit – 63A Type A RCD 6A/16A B MCBs
    Delivery usually within 1 - 3 working days*
    SKU: WMGU04/616
    Quantity Discount
    Quantity Price
    1 - 2 £25.30
    3+ £24.67
    5+ £24.04
    10+ £23.40
    £25.30
    WCED 19 Way SPD Metal Consumer Unit

    WCED | WME22/SP | SPD Consumer Unit | 19 Way
    Delivery usually within 1 - 3 working days*
    SKU: WME22/SP
    £51.55
    WCED WME4 WCED 4 Way Metal Enclosure 1

    WCED 4 Way Metal Enclosure
    5 In Stock
    More available within 1 - 3 working days*
    SKU: WME4
    Quantity Discount
    Quantity Price
    1 - 4 £16.62
    5+ £16.20
    10+ £15.79
    20+ £15.37
    £16.62
    WCED WMEV240C WCED A-Type Electric Vehicle 2 Module Enclosure - 40A RCBO C Curve 1

    WCED A-Type Electric Vehicle 2 Module Enclosure – 40A RCBO C Curve
    Delivery usually within 1 - 3 working days*
    SKU: WMEV240C
    £25.99
    Live Electrical RA220B-030 Live Electrical Double Pole Type A RCBO - Curve B - 20A 1

    Live Electrical Double Pole Type A RCBO – Curve B – 20A
    Delivery usually within 1 - 2 working days*
    SKU: RA220B-030
    £16.06
    Live Electrical RA240B-030 Live Electrical Double Pole Type A RCBO - Curve B - 40A 1

    Live Electrical Double Pole Type A RCBO – Curve B – 40A
    Delivery usually within 1 - 2 working days*
    SKU: RA240B-030
    £13.99
    Hager VML118SPDRK 18 Way Main Switch SPD Consumer Unit with Round Knockouts

    Hager VML118SPDRK 18 Way Main Switch SPD Consumer Unit with Round Knockouts
    1 In Stock
    This item cannot be back-ordered
    SKU: VML118SPDRK
    £89.95

    Showing 621–640 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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