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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)

    Live Electrical RD4100-030 Live Electrical 4 Pole Type A 100A 30mA RCD

    Live Electrical RDA4100-030 4 Pole Type A 100A 30mA RCD
    Delivery usually within 1 - 2 working days *
    SKU: RDA4100-030
    £20.99
    Surge Devices SY2-C40XENC Surge Devices Type 2 20kA/40kA 3 Phase SPD with Window Indication in IP65 Polycarbonate Enclosure

    Surge Devices SY3-C40X/ENC Three Phase Surge Protection Device – Type 2+3 SPD in IP65 Enclosure
    Delivery usually within 3 - 4 working days *
    SKU: SY2-C40XENC
    £162.00
    PME / PEN Fault Detection Unit - C40A RCBO 4P 63A Contactor SPD & PME Relays + KWH Meter

    PME / PEN Fault Detection Unit – C40A RCBO 4P 63A Contactor SPD & PME Relays + KWH Meter
    Delivery usually within 1 - 3 working days *
    SKU: WMEPME10/SP
    Quantity Discount
    Quantity Price
    1 £110.60
    2+ £108.39
    3+ £107.28
    £110.60
    Live Electrical LSMC6M-SP Live Electrical 3 Way SPD Metal Consumer Unit 1

    Live Electrical 3 Way SPD Metal Consumer Unit
    19 in stock
    More available within 1 - 2 working days *
    SKU: LSMC6M-SP
    £39.65
    SPV340/1 1500V DC Surge Protection DeviceLive Electrical | SPV340/1 | 3-Pole | 20kA/40kA | Type 2 DC Surge Device | For Circuits up to 1500V

    Live Electrical | SPV340/1 | 3-Pole | Type 2 DC Surge Device | For Circuits up to 1500V
    Delivery usually within 1 - 2 working days *
    SKU: SPV340/1
    £25.28
    5 Way IP65 Metal Enclosure

    5 Way IP65 Metal Enclosure
    2 in stock
    More available within 1 - 3 working days *
    SKU: WMIP5/G
    Quantity Discount
    Quantity Price
    1 - 4 £24.40
    5+ £23.79
    10+ £23.18
    20+ £22.57
    £24.40
    IP65 Metal A Type 32A B Curve RCBO EV Protection Unit Plus Surge Protection

    IP65 Metal A Type 32A B Curve RCBO EV Protection Unit Plus Surge Protection
    Delivery usually within 1 - 3 working days *
    SKU: WMIP32BSP
    Quantity Discount
    Quantity Price
    1 £47.35
    2+ £46.31
    3+ £44.98
    5+ £43.80
    10+ £42.62
    £47.35
    IP65 Metal A Type 32A C Curve RCBO EV Protection Unit Plus Surge Protection

    IP65 Metal A Type 32A C Curve RCBO EV Protection Unit Plus Surge Protection
    2 in stock
    More available within 1 - 3 working days *
    SKU: WMIP32CSP
    Quantity Discount
    Quantity Price
    1 £47.35
    2+ £46.31
    3+ £44.98
    5+ £43.80
    10+ £42.62
    £47.35
    G-ProKit COMPAC-MET-100A-3PHASE G-ProBox 100A Three-Phase Compact Check Meter 1

    G-ProBox 100A Three-Phase Compact Check Meter
    Delivery usually within 1 - 3 working days *
    SKU: COMPAC-MET-100A-3PHASE
    £80.93
    Live Electrical LEV432SP-BP IP65 EV Consumer Unit B32 RCBO + Type 2 SPD + Busbar

    Live Electrical LEV432SP-BP IP65 EV Consumer Unit B32 RCBO + Type 2 SPD + Busbar
    19 in stock
    More available within 1 - 2 working days *
    SKU: LEV432SP-BP
    Quantity Discount
    Quantity Price
    1 - 2 £30.99
    3+ £29.44
    5+ £28.67
    10+ £26.96
    20+ £25.41
    £30.99
    Hager ADA940UHager ADA940U 1P+N 6kA B-40A 30mA Type A

    Hager ADA940U 1P+N 6kA B-40A 30mA Type A
    Delivery usually within 1 - 3 working days *
    SKU: ADA940U
    £26.28
    Hager ADA990UHager ADA990U 1P+N 6kA C-40A 30mA Type A

    Hager ADA990U 1P+N 6kA C-40A 30mA Type A
    9 in stock
    More available within 1 - 3 working days *
    SKU: ADA990U
    £26.28
    Live Electrical RNA32B-030 RCBO A Type DP Bi-Directional 32A B Curve 30mA

    Live Electrical RNA32B-030 RCBO A Type DP Bi-Directional 32A B Curve 30mA
    13 in stock
    More available within 1 - 3 working days *
    SKU: RNA32B-030
    £10.43
    Live Electrical RNA10C-030 RCBO A Type DP Bi-Directional 10A C Curve 30mA

    Live Electrical RNA10C-030 RCBO A Type DP Bi-Directional 10A C Curve 30mA
    Delivery usually within 1 - 3 working days *
    SKU: RNA10C-030
    £10.43
    Live Electrical CZ380C 3P 80A MCB 10kA Curve C

    Live Electrical CZ380C 3P 80A MCB 10kA Curve C
    Delivery usually within 1 - 3 working days *
    SKU: CZ380C
    £19.31
    WCED WKC332B 10kA 3 Pole MCB Curve B 32A

    WCED WKC332B 10kA 3 Pole MCB Curve B 32A
    Delivery usually within 1 - 3 working days *
    SKU: WKC332B
    Quantity Discount
    Quantity Price
    1 - 4 £9.95
    5+ £9.55
    10+ £9.30
    £9.95
    WCED WKC306C 10kA 3 Pole MCB Curve C 6A

    WCED WKC306C 10kA 3 Pole MCB Curve C 6A
    Delivery usually within 1 - 3 working days *
    SKU: WKC306C
    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
    Delivery usually within 1 - 3 working days *
    SKU: CDB525HP
    £139.50
    Front view of the Gewiss GW70436P 32A 4-pole rotary isolator switch with a red lockable emergency stop knob in a weather-resistant insulating enclosure.

    Gewiss GW70436P 32A 4-Pole IP66/IP67/IP69 Rotary Isolator Switch
    5 in stock
    More available within 1 - 3 working days *
    SKU: GW70436P
    £16.71
    Garo SIDC432IP65 32A 4 Pole DC Rotary Isolator

    Garo SIDC432IP65 32A 4 Pole DC Rotary Isolator
    2 in stock
    More available within 1 - 3 working days *
    SKU: SIDC432IP65
    Quantity Discount
    Quantity Price
    1 - 2 £20.37
    3+ £19.96
    5+ £19.35
    10+ £18.33
    £20.37

    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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