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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1874)

    Consumer Units

    Consumer Units (448)

    Circuit Protection Devices

    Circuit Protection Devices (1038)

    EV Circuit Protection

    EV Circuit Protection (107)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (121)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (90)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (158)

    Switch Gear

    Switch Gear (259)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    WCED WKC316C 10kA 3 Pole MCB Curve C 16A

    WCED WKC316C 10kA 3 Pole MCB Curve C 16A
    8 in stock
    More available within 1 - 3 working days *
    SKU: WKC316C
    Quantity Discount
    Quantity Price
    1 - 4 £9.95
    5+ £9.55
    10+ £9.30
    £9.95
    WCED WKC332C 10kA 3 Pole MCB Curve C 32A

    WCED WKC332C 10kA 3 Pole MCB Curve C 32A
    Delivery usually within 1 - 3 working days *
    SKU: WKC332C
    Quantity Discount
    Quantity Price
    1 - 4 £9.95
    5+ £9.55
    10+ £9.30
    £9.95
    Hager CDB525HP 30mA 25A RCCB 1P+N Type B HP for Heat Pumps

    Hager CDB525HP 30mA 25A RCCB 1P+N Type B HP for Heat Pumps
    2 in stock
    More available within 1 - 3 working days *
    SKU: CDB525HP
    £139.50
    Hager VML118SPDRK/KIT15 18 Way Main Switch SPD Consumer Unit Kit with 15 RCBOs

    Hager VML118SPDRK/KIT15 18 Way Main Switch SPD Consumer Unit Kit with 15 RCBOs
    Delivery usually within 1 - 3 working days *
    SKU: VML118SPDRK/KIT15
    £272.04
    Niglon PCU1816M Protego 100A Twin Screw Main Switch 16 Way Metal Consumer Unit

    Niglon PCU1816M Protego 100A Twin Screw Main Switch 16 Way Metal Consumer Unit
    1 in stock
    More available within 1 - 3 working days *
    SKU: PCU1816M
    £46.98
    Niglon PRCB01B1-06 1P + Neutral 6A Curve B Bi-Directional 10kA RCBO

    Niglon PRCBO10B1-06 1P + Neutral 6A Curve B Bi-Directional 10kA RCBO
    6 in stock
    More available within 1 - 3 working days *
    SKU: PRCBO10B1-06
    £19.21
    Niglon PRCB01B1-16 1P + Neutral 16A Curve B Bi-Directional 10kA RCBO

    Niglon PRCBO10B1-16 1P + Neutral 16A Curve B Bi-Directional 10kA RCBO
    5 in stock
    More available within 1 - 3 working days *
    SKU: PRCBO10B1-16
    £19.21
    Niglon PRCB01C1-32 1P + Neutral 32A Curve C Bi-Directional 10kA RCBO

    Niglon PRCBO10C1-32 1P + Neutral 32A Curve C Bi-Directional 10kA RCBO
    Delivery usually within 1 - 3 working days *
    SKU: PRCBO10C1-32
    £19.21
    Niglon DOST Delay On Single Function DIN Rail Mounted Timer

    Niglon DOST Delay On Single Function DIN Rail Mounted Timer
    1 in stock
    More available within 1 - 3 working days *
    SKU: DOST
    £19.88
    CM100LCD Single Phase MID Approved Electricity Meter

    CM100LCD Single Phase MID Approved Electricity Meter
    Delivery usually within 1 - 3 working days *
    SKU: CM100LCD
    £35.20
    Niglon ISM404P Metalclad 40A 4P rotary isolator – dust and splash-resistant switch for local isolation in electrical installations.

    Niglon ISM404P Metal Clad IP54 40A 4P Rotary Isolator
    Delivery usually within 1 - 3 working days *
    SKU: ISM404P
    £30.91
    Fusebox F3004RA 4 Way 63A 30ma Type A RCD Consumer Unit

    Fusebox F3004RA 4 Way 63A 30ma Type A RCD Consumer Unit
    1 in stock
    More available within 1 - 3 working days *
    SKU: F3004RA
    £38.44
    Fusebox RTA1001002S 2 Pole 100A 100mA Type A RCD - "S" Time Delayed

    Fusebox RTA1001002S 2 Pole 100A 100mA Type A RCD – “S” Time Delayed
    Delivery usually within 1 - 3 working days *
    SKU: RTA1001002S
    £37.62
    Live Electrical EV440SP-BP IP65 EV Consumer Unit B40 RCBO + Type 2 SPD + Busbar

    Live Electrical EV440SP-BP IP65 EV Consumer Unit B40 RCBO + Type 2 SPD + Busbar
    30 in stock
    More available within 1 - 3 working days *
    SKU: EV440SP-BP
    Quantity Discount
    Quantity Price
    1 - 2 £30.99
    3+ £29.44
    5+ £28.67
    10+ £26.96
    20+ £25.41
    £30.99
    FuseBox F3021MZ Bi Directional SPD Consumer Unit Kit – with 15 RCBOs

    FuseBox F3021MZ Bi Directional SPD Consumer Unit Kit – with 15 RCBOs
    Delivery usually within 2 - 3 working days *
    SKU: F3021MZ/BD/KIT/15
    £281.56
    Live Electrical AMR106C-030 30mA Type A 6kA C Curve 6A Bi-Directional RCBO

    Live Electrical AMR106C-030 30mA Type A 6kA C Curve 6A Bi-Directional RCBO
    3 in stock
    More available within 1 - 3 working days *
    SKU: AMR106C-030
    £8.66
    Garo DCBO1MB20 20A Curve B 1 Module 2 Pole Type A RCBO

    Garo DCBO1MB20 20A Curve B 1 Module 2 Pole Type A Bi-Directional RCBO
    Delivery usually within 1 - 3 working days *
    SKU: DCBO1MB20
    £21.48
    Garo DSV2100 100A Double Pole Main Switch

    Garo DSV2100 100A Double Pole Main Switch
    5 in stock
    More available within 1 - 3 working days *
    SKU: DSV2100
    £4.50
    Garo DCBOGRB20-BI Bi-Directional RCBO

    Garo DCBOGRB20-BI 30mA Bi-Directional Type A Compact RCBO 20A B Curve
    5 in stock
    More available within 1 - 3 working days *
    SKU: DCBOGRB20-BI
    £14.92
    Garo DCBOGRB06 Compact RCBO 6A B Curve

    Garo DCBOGRB06 30mA Type A Compact RCBO 6A B Curve
    10 in stock
    More available within 1 - 3 working days *
    SKU: DCBOGRB06
    £10.99

    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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