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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1883)

    Consumer Units

    Consumer Units (469)

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    Circuit Protection Devices (1052)

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    EV Circuit Protection (105)

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    SPD Surge Protection Devices (125)

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    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Showing 1381–1400 of 2331 results

    Hager ARL966U 16A AFDD RCBO – single-module device with Curve C trip and Bluetooth diagnostics for advanced circuit protection.

    Hager ARL966U AFDD with 30mA RCBO 16A – Curve C Type A with 1m Neutral Fly Lead
    Delivery usually within 3 - 4 working days*
    SKU: ARL966U
    £108.95
    Niglon DOL12415 415V 12A 5.5kW DOL Enclosed Direct On Line Starter

    Niglon DOL12415 415V 12A 5.5kW DOL Enclosed Direct On Line Starter
    Delivery usually within 1 - 3 working days*
    SKU: DOL12415
    £26.73
    FuseBox F3023MZ SPD Consumer Unit

    FuseBox F3023MZ 23 Way RCBO Consumer Unit With SPD
    6 In Stock
    More available within 2 - 3 working days*
    SKU: F3023MZ
    £137.09
    FuseBox F3022M 22 Way Consumer Unit

    FuseBox F3022M 22 Way Consumer Unit
    Delivery usually within 2 - 3 working days*
    SKU: F3022M
    £48.45
    EML-TU Dual Fuel Smart Prepayment Meter – MID Approved Tokenless Electric Meter

    EML-TU Dual Fuel Smart Prepayment Meter – MID Approved Tokenless Electric Meter
    Delivery usually within 1 - 3 working days*
    SKU: EML-TU
    £190.59
    IM3D-100A Three Phase MID Approved Meter with 4-Quadrant Measurement

    IM3D-100A Three Phase MID Approved Meter with 4-Quadrant Measurement
    Delivery usually within 1 - 3 working days*
    SKU: IM3D-100A
    £105.95
    Niglon ISM634P Rotary 63A 4 Pole Isolator in Metal Clad IP54 Enclosure

    Niglon ISM634P Metal Clad IP54 63A 4P Rotary Isolator
    Delivery usually within 1 - 3 working days*
    SKU: ISM634P
    £36.70
    Niglon ISM1004P Metal Clad 100A 4 Pole Rotary Isolator for safe switching in industrial systems.

    Niglon ISM1004P Metal Clad 100A 4 Pole IP54 Rotary Isolator
    Delivery usually within 1 - 3 working days*
    SKU: ISM1004P
    £68.58
    Fusebox F3054E 54 Module 3 Bank Empty Metal Enclosure with Neutral Cable and Busbar

    Fusebox F3054E 54 Module 3 Bank Empty Metal Enclosure with Neutral Cable and Busbar
    1 In Stock
    More available within 1 - 3 working days*
    SKU: F3054E
    £112.96
    Live Electrical EV432SP-P IP65 EV Consumer Unit C32 RCBO + Type 2 SPD + Busbar

    Live Electrical EV432SP-P IP65 EV Consumer Unit C32 RCBO + Type 2 SPD + Busbar
    20 In Stock
    More available within 1 - 3 working days*
    SKU: EV432SP-P
    Quantity Discount
    Quantity Price
    1 - 2 £30.99
    3+ £29.44
    5+ £28.67
    10+ £26.96
    20+ £25.41
    £30.99
    Live Electrical DCM440C 4 Pole C Curve 6kA 40A 1000V DC MCB

    Live Electrical DCM440C 4 Pole C Curve 6kA 40A 1000V DC MCB
    Delivery usually within 1 - 2 working days*
    SKU: DCM440C
    £16.95
    Niglon Protego 1 Way Main Switch SPD Consumer Unit

    Niglon Protego 1 Way Main Switch SPD Consumer Unit
    Delivery usually within 1 - 3 working days*
    SKU: PCU0402M/SPD
    £43.75
    Niglon Protego 11 Way Main Switch SPD Consumer Unit

    Niglon Protego 11 Way Main Switch SPD Consumer Unit
    Delivery usually within 1 - 3 working days*
    SKU: PCU1412M/SPD
    £61.15
    Sangamo SC4411PRO4 Panel 1 Channel 7 Day Time Switch with Bluetooth

    Sangamo SC4411PRO4 Panel 1 Channel 7 Day Time Switch with Bluetooth
    Delivery usually within 1 - 3 working days*
    SKU: SC4411PRO4
    £75.67
    WCED 4 Pole 100A 30mA Type A RCD

    WCED | WAR4100-030 | Bi-Directional | Type A RCD | 4 Pole | 100A | 30mA
    Delivery usually within 1 - 3 working days*
    SKU: WAR4100-030
    Quantity Discount
    Quantity Price
    1 £28.47
    2+ £27.62
    3+ £27.05
    £28.47
    WCED 2 Pole 80A 100mA Time Delay Type A RCD

    WCED | WARTD280-100 | Bi-Directional | Time Delay Type A RCD | 2 Pole | 80A | 100mA
    Delivery usually within 1 - 3 working days*
    SKU: WARTD280-100
    Quantity Discount
    Quantity Price
    1 £34.54
    2+ £33.50
    3+ £32.81
    £34.54
    WCED 4 Pole 80A 100mA Time Delay Type A RCD

    WCED | WARTD480-100 | Bi-Directional | Time Delay Type A RCD | 4 Pole | 80A | 100mA
    Delivery usually within 1 - 3 working days*
    SKU: WARTD480-100
    Quantity Discount
    Quantity Price
    1 £44.25
    2+ £42.92
    3+ £42.04
    £44.25
    WCED Bi-Directional Time Delayed RCD 300mA 100A

    WCED | WARTD4100-300 | Bi-Directional | Time Delay Type A RCD | 4 Pole | 300mA | 100A
    Delivery usually within 1 - 3 working days*
    SKU: WARTD4100-300
    Quantity Discount
    Quantity Price
    1 £49.56
    2+ £48.07
    3+ £47.08
    £49.56
    Garo RCBOGSC32 32A Type A 4 Pole 3 Phase RCBO

    Garo RCBOGSC32 32A C Curve Type A 4 Pole 3 Phase Bi-Directional RCBO
    Out of Stock
    This item cannot be back-ordered
    SKU: RCBOGSC32
    £74.90
    Read more
    Garo DPB1M-8 1 Module DPN RCBO Busbar – 8 Ways

    Garo DPB1M-8 1 Module DPN RCBO Busbar – 8 Ways
    Delivery usually within 1 - 3 working days*
    SKU: DPB1M-8
    £12.99

    Showing 1381–1400 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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