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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)

    Hager ADC932R Hager 30mA Type A 32A 6kA C Curve 1M 1P+N Bi-Directional RCBO

    Hager ADC932R 30mA Type A 32A 6kA C Curve 1M 1P+N Bi-Directional RCBO
    Delivery usually within 1 - 3 working days *
    SKU: ADC932R
    £19.43
    Live Electrical AGU4-SR/G IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – Grey

    Live Electrical AGU4-SR/G IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – Grey
    Delivery usually within 1 - 3 working days *
    SKU: AGU4-SR/G
    Quantity Discount
    Quantity Price
    1 - 2 £52.92
    3+ £51.60
    5+ £50.27
    10+ £48.95
    £52.92
    Hager CDB540HP 30mA 40A RCCB 1P+N Type B HP for Heat Pumps

    Hager CDB540HP 30mA 40A RCCB 1P+N Type B HP for Heat Pumps
    Delivery usually within 1 - 3 working days *
    SKU: CDB540HP
    £139.50
    Hager CDB563HP 30mA 63A RCCB 1P+N Type B HP for Heat Pumps

    Hager CDB563HP 30mA 63A RCCB 1P+N Type B HP for Heat Pumps
    2 in stock
    More available within 1 - 3 working days *
    SKU: CDB563HP
    £139.50
    Live Electrical Heat Pump SPD Consumer Unit with Type B RCD and C40 DP MCBLive Electrical Heat Pump SPD Consumer Unit with Type B RCD and C40 DP MCB

    Live Electrical Heat Pump SPD Consumer Unit with Type B RCD and C40 DP MCB
    Delivery usually within 1 - 3 working days *
    SKU: LHP840MSB
    £102.96
    Live Electrical TPN08-125 Live Electrical TPN08-125 125A 8 Way TPN Distribution Board 1

    Live Electrical TPN08-125 125A 8 Way TPN Distribution Board
    Delivery usually within 1 - 2 working days *
    SKU: TPN08-125
    £109.94
    Live Electrical MAC4P32 Live Electrical MAC4P32 32A Modular AC Contractor 4 Pole NO 1

    Live Electrical MAC4P32 – 4 Pole 32A 4NO 230V AC Modular Contactor
    3 in stock
    More available within 1 - 2 working days *
    SKU: MAC4P32
    £14.99
    WCED WEVKIT63 EV Consumer Unit with B Type 40A RCD and C40 MCB 1

    EV Consumer Unit with B Type 40A RCD and C40 MCB
    Delivery usually within 1 - 3 working days *
    SKU: WEVKIT63
    £102.88
    WCED WMC132C WCED Miniature Circuit Breaker 6kA Curve C - 32A 1

    WCED Miniature Circuit Breaker 6kA Curve C – 32A
    Delivery usually within 1 - 3 working days *
    SKU: WMC132C
    £1.53
    WCED WHA1265 WCED 12 Way Empty Plastic Enclosure 1

    WCED 12 Way Empty Plastic Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: WHA12-PME
    Quantity Discount
    Quantity Price
    1 - 4 £19.86
    5+ £19.36
    10+ £18.87
    20+ £18.37
    £19.86
    WCED 4 Pole 230/400V 20A NO Normally Open AC Modular Contactor

    WCED WAC4P20 – 4 Pole 20A 4NO 230V AC Modular Contactor
    Delivery usually within 1 - 3 working days *
    SKU: WAC4P20
    Quantity Discount
    Quantity Price
    1 - 2 £9.99
    3+ £9.74
    5+ £9.49
    10+ £9.24
    20+ £8.99
    £9.99
    Live Electrical RA206C-030 Live Electrical Double Pole Type A RCBO - Curve C - 6A 1

    Live Electrical Double Pole Type A RCBO – Curve C – 6A
    Delivery usually within 1 - 2 working days *
    SKU: RA206C-030
    £13.99
    FuseBox MT10C322 FuseBox MT10C322 32A Double Pole 10kA C Curve MCB

    FuseBox MT10C322 32A Double Pole 10kA C Curve MCB
    2 in stock
    More available within 2 - 3 working days *
    SKU: MT10C322
    £6.68
    FuseBox MT10C403 FuseBox MT10C403 40A Triple Pole 10kA C Curve MCB

    FuseBox MT10C403 40A Triple Pole 10kA C Curve MCB
    3 in stock
    More available within 2 - 3 working days *
    SKU: MT10C403
    £9.51
    Live Electrical LSMC16M-SP Live Electrical 13 Way SPD Metal Consumer Unit 1

    Live Electrical 13 Way SPD Metal Consumer Unit
    5 in stock
    More available within 1 - 2 working days *
    SKU: LSMC16M-SP
    £48.81
    WCED WFMSRT00-3F WCED WFMSRT00-3F Fused Main Switch with Time Delayed RCD

    WCED WFMSRT00-3F Fused Main Switch with Time Delayed RCD
    Delivery usually within 1 - 3 working days *
    SKU: WFMSRT00-3F
    £45.50
    FuseBox RTAMB25BD Bi-Directional Mini RCBO 25A B Curve 30mA Type A

    FuseBox RTAMB25BD Bi-Directional Mini RCBO 25A B Curve 30mA Type A
    Delivery usually within 1 - 3 working days *
    SKU: RTAMB25BD
    £13.94
    Live Electrical AGU4-SR/B IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – Black

    Live Electrical AGU4-SR/B IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – Black
    Delivery usually within 1 - 3 working days *
    SKU: AGU4-SR/B
    Quantity Discount
    Quantity Price
    1 - 2 £52.92
    3+ £51.60
    5+ £50.27
    10+ £48.95
    £52.92
    WCED WKC116B 10kA 1 Pole MCB Curve B 16A

    WCED WKC116B 10kA 1 Pole MCB Curve B 16A
    Delivery usually within 1 - 3 working days *
    SKU: WKC116B
    Quantity Discount
    Quantity Price
    1 - 4 £3.28
    5+ £3.15
    10+ £3.07
    £3.28
    Garo GC6EV40PME IP65 EV Consumer Unit with Double Pole 40A Type A RCBO and PEN Fault Detection – Outdoor ABS Enclosure

    Garo GC6EV40PME IP65 EV Consumer Unit with Double Pole B40A Type A RCBO and PEN Fault Detection
    7 in stock
    More available within 1 - 3 working days *
    SKU: GC6EV40PME
    £90.75

    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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