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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1878)

    Consumer Units

    Consumer Units (448)

    Circuit Protection Devices

    Circuit Protection Devices (1058)

    EV Circuit Protection

    EV Circuit Protection (107)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (120)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (90)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (173)

    Switch Gear

    Switch Gear (260)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Fusebox F2007RA 7 Way RCD Consumer Unit 80A

    Fusebox F2007RA 7 Way RCD Consumer Unit 80A
    Delivery usually within 2 - 3 working days *
    SKU: F2007RA
    £41.14
    Fusebox AFMF14 14 Module Flush Mounting Frame Kit

    Fusebox AFMF14 14 Module Flush Mounting Frame Kit
    3 in stock
    More available within 2 - 3 working days *
    SKU: AFMF14
    £17.00
    Envirograf SCUB2 Intumescent Strip – 150x60mm

    Envirograf SCUB2 Intumescent Strip for Metal Consumer Units – 150x60mm
    8 in stock
    More available within 1 - 3 working days *
    SKU: SCUB2
    £3.82
    WCED WMC140C WCED Miniature Circuit Breaker 6kA Curve C - 40A 1

    WCED Miniature Circuit Breaker 6kA Curve C – 40A
    6 in stock
    More available within 1 - 3 working days *
    SKU: WMC140C
    £1.53
    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
    FuseBox SPDCUKITT1 Fusebox SPDCUKITT1 TYPE 1

    Fusebox SPDCUKITT1 Type 1,2 & 3 Surge Protection Device Kit
    1 in stock
    More available within 2 - 3 working days *
    SKU: SPDCUKITT1
    £109.00
    Live Electrical SA120 Live Electrical 1 Pole 10kA/20kA Type 2 Surge Protective Device

    Live Electrical SA120 1 Pole 10kA/20kA Type 2 SPD Surge Protective Device
    5 in stock
    More available within 1 - 2 working days *
    SKU: SA120
    £7.95
    FuseBox MT06C501 50A C Curve MCB

    FuseBox MT06C501 50A C Curve MCB
    9 in stock
    More available within 2 - 3 working days *
    SKU: MT06C501
    £1.95
    FuseBox AMBP Module Blanks 12 Pack

    FuseBox AMBP Module Blanks 12 Pack
    51 in stock
    More available within 2 - 3 working days *
    SKU: AMBP
    £0.90
    WCED WAC4P25NC WCED 4P 25A 4NC Modular Contactor

    WCED WAC4P25NC – 4 Pole 25A 4NC 230V AC Modular Contactor
    4 in stock
    More available within 1 - 3 working days *
    SKU: WAC4P25NC
    Quantity Discount
    Quantity Price
    1 - 2 £13.49
    3+ £13.15
    5+ £12.82
    10+ £12.48
    20+ £12.14
    £13.49
    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
    WARB5100C 5 Pole 100A Auto Reset Device with PME Fault Protection

    WARB5100C 5 Pole 100A Auto Reset Device with PME Fault Protection
    Delivery usually within 1 - 3 working days *
    SKU: WARB5100C
    £39.99
    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
    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
    6 in stock
    More available within 1 - 3 working days *
    SKU: GC6EV40PME
    £90.75
    Live Electrical 10kA RCBO 50A Curve B Type A 30mA 1P+N

    Live Electrical 10kA RCBO 50A Curve B Type A 30mA 1P+N
    16 in stock
    More available within 1 - 2 working days *
    SKU: RA150B-030
    £13.25
    Fusebox E2PMSH 2 Pole IP20 100A Main Switch Meter Isolator

    Fusebox E2PMSH 2 Pole IP20 100A Main Switch Meter Isolator
    Delivery usually within 1 - 3 working days *
    SKU: E2PMSH
    £13.54
    Live Electrical AMR120C-030 30mA Type A 6kA C Curve 20A Bi-Directional RCBO

    Live Electrical AMR120C-030 30mA Type A 6kA C Curve 20A Bi-Directional RCBO
    9 in stock
    More available within 1 - 3 working days *
    SKU: AMR120C-030
    £8.66
    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

    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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