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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1893)

    Consumer Units

    Consumer Units (452)

    Circuit Protection Devices

    Circuit Protection Devices (1068)

    EV Circuit Protection

    EV Circuit Protection (107)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (121)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (91)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (173)

    Switch Gear

    Switch Gear (261)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Hager ARL925U AFDD with 30mA RCBO 25A – Curve B Type A with 1m Neutral Fly Lead

    Hager ARL925U AFDD with 30mA RCBO 25A – Curve B Type A with 1m Neutral Fly Lead
    Delivery usually within 1 - 3 working days *
    SKU: ARL925U
    £111.00
    Niglon TDOT True Delay Off DIN Rail Mounted Timer

    Niglon TDOT True Delay Off DIN Rail Mounted Timer
    Delivery usually within 1 - 3 working days *
    SKU: TDOT
    £31.50
    Niglon VMT2 Phase Failure Relay

    Niglon VMT2 Phase Failure Relay
    Delivery usually within 1 - 3 working days *
    SKU: VMT2
    £11.79
    Niglon VMT3 3 Phase Under and Overvoltage Monitor

    Niglon VMT3 3 Phase Under and Overvoltage Monitor
    Delivery usually within 1 - 3 working days *
    SKU: VMT3
    £20.68
    Niglon DOL12230 230V 12A 5.5kW DOL Enclosed Direct On Line Starter

    Niglon DOL12230 230V 12A 5.5kW DOL Enclosed Direct On Line Starter
    Delivery usually within 1 - 3 working days *
    SKU: DOL12230
    £26.73
    Niglon DOL22415 415V 22A 5.5kW Enclosed Direct On Line Starter

    Niglon DOL22415 415V 22A 11kW DOL Enclosed Direct On Line Starter
    Delivery usually within 1 - 3 working days *
    SKU: DOL22415
    £43.78
    Niglon DOL22230 230V 22A 5.5kW DOL Enclosed Direct On Line Starter

    Niglon DOL22230 230V 22A 9kW DOL Enclosed Direct On Line Starter
    Delivery usually within 1 - 3 working days *
    SKU: DOL22230
    £43.78
    FuseBox F3016M 16 Way Consumer Unit

    FuseBox F3016M 16 Way Consumer Unit
    8 in stock
    More available within 2 - 3 working days *
    SKU: F3016M
    £39.95
    FuseBox F3048M 48 Way Triple Row RCBO Consumer Unit

    FuseBox F3048M 48 Way Triple Row RCBO Consumer Unit
    Delivery usually within 2 - 3 working days *
    SKU: F3048M
    £146.92
    CM-CTL Contactless Card Meter – MID Approved Prepayment Electricity Meter

    CM-CTL Contactless Card Meter – MID Approved Prepayment Electricity Meter
    Delivery usually within 1 - 3 working days *
    SKU: CM-CTL
    £156.00
    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
    IM3D-100A-NET MID Approved Three Phase Energy Meter with NET Parameter

    IM3D-100A-NET MID Approved Three Phase Energy Meter with NET Parameter
    Delivery usually within 1 - 3 working days *
    SKU: IM3D-100A-NET
    £118.95
    Niglon ISM804P Metal Clad 80A 4 Pole Rotary Isolator with IP54 Enclosure Heavy-duty electrical switch disconnector.

    Niglon ISM804P Metal Clad 80A 4P IP54 Rotary Isolator
    Delivery usually within 1 - 3 working days *
    SKU: ISM804P
    £41.58
    Niglon 1MCO/2524 24V AC 25A modular contactor with 2NC contacts and DIN rail mounting.

    Niglon 1MCO/2524 – 2 Pole 25A 2NC 24V AC Modular Contactor
    Delivery usually within 1 - 3 working days *
    SKU: 1MCO/2524
    £13.80
    FuseBox F3008RA 8 Way 80A 30ma Type A RCD Consumer Unit

    FuseBox F3008RA 8 Way 80A 30ma Type A RCD Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: F3008RA
    £44.60
    Fusebox F3008RB 8 Way 63A 30ma Type B RCD Consumer Unit

    Fusebox F3008RB 8 Way 63A 30ma Type B RCD Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: F3008RB
    £134.88
    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
    Delivery usually within 1 - 3 working days *
    SKU: F3054E
    £112.96
    Niglon EV40AXSP-5WA 5-Way IP65 Metal EV Distribution Board

    Niglon EV40AXSP-5WA 5-Way C40 SPD IP65 Metal EV Distribution Board
    Delivery usually within 1 - 3 working days *
    SKU: EV40AXSP-5WA
    Quantity Discount
    Quantity Price
    1 £51.48
    2+ £50.45
    3+ £49.94
    5+ £48.91
    £51.48
    Niglon EV40AXSPC-4WI IP65 EV Consumer Unit

    Niglon EV40AXSPC-4WI 4-Way C40 SPD IP65 EV Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: EV40AXSPC-4WI
    Quantity Discount
    Quantity Price
    1 £34.16
    2+ £33.48
    3+ £33.14
    5+ £32.45
    £34.16
    Hager BD163T 3 Phase RCD Add-On, 63A 30mA, Type A, single-module residual current device for Hager MCBsHager BD163T RCD 3Phase Add-On A 63A 30mA

    Hager BD163T RCD 3Phase Add-On A 63A 30mA
    Delivery usually within 1 - 3 working days *
    SKU: BD163T
    £323.16

    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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