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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)

    FuseBox MT10C201 FuseBox MT10C201 20A Single Pole 10kA C Curve MCB

    FuseBox MT10C201 20A Single Pole 10kA C Curve MCB
    7 in stock
    More available within 2 - 3 working days *
    SKU: MT10C201
    £3.22
    FuseBox MT10C251 FuseBox MT10C251 25A Single Pole 10kA C Curve MCB

    FuseBox MT10C251 25A Single Pole 10kA C Curve MCB
    3 in stock
    More available within 2 - 3 working days *
    SKU: MT10C251
    £3.22
    FuseBox MT10C102 FuseBox MT10C102 10A Double Pole 10kA C Curve MCB

    FuseBox MT10C102 10A Double Pole 10kA C Curve MCB
    9 in stock
    More available within 2 - 3 working days *
    SKU: MT10C102
    £6.68
    FuseBox ABEC Fusebox ABEC TPN Busbar End Caps (Pack of 30)

    Fusebox ABEC TPN Busbar End Caps (Pack of 30)
    21 in stock
    More available within 2 - 3 working days *
    SKU: ABEC
    £0.90
    Live Electrical LSMC8M-SP Live Electrical 5 Way SPD Metal Consumer Unit 1

    Live Electrical 5 Way SPD Metal Consumer Unit
    12 in stock
    More available within 1 - 2 working days *
    SKU: LSMC8M-SP
    £40.91
    Garo Meter Supply Isolator with Surge ProtectionGaro GSP2100M Meter Supply Isolator with Surge Protection

    Garo GSP2100M Meter Supply Isolator with Surge Protection
    20 in stock
    More available within 1 - 3 working days *
    SKU: GPS2100M
    £19.16
    Hager VML120 20 Way RCBO Consumer Unit

    Hager VML120 20 Way RCBO Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: VML120
    £66.79
     Hager MZN175 Padlockable Locking Kit MCB

     Hager MZN175 Padlockable Locking Kit MCB, RCCB, RCBO (padlock not included)
    Delivery usually within 1 - 3 working days *
    SKU: MZN175
    £7.90
    Hager ADA182U RCBO 10kA C-32A 30mA Type A

    Hager ADA182U RCBO 10kA C-32A 30mA Type A
    Delivery usually within 1 - 3 working days *
    SKU: ADA182U
    £30.99
    FuseBox F2021M 21 Way RCBO Consumer Unit

    FuseBox F2021M 21 Way RCBO Consumer Unit
    8 in stock
    This item cannot be back-ordered
    SKU: F2021M
    £44.10
    WCED Double Pole Type A 30mA RCBO Curve C - 16A

    WCED Double Pole Type A 30mA RCBO Curve C – 16A
    Delivery usually within 1 - 3 working days *
    SKU: WER16C-030
    £16.80
    FuseBox INC632 63A 2 Pole Normally Open 230V AC Modular Contactor

    FuseBox INC632 63A 2 Pole Normally Open 230V AC Modular Contactor
    Delivery usually within 2 - 3 working days *
    SKU: INC632
    £12.95
    WCED BBF1100 WCED 1 Pole 100A Busbar Forked Typ 18 ways

    WCED 1 Pole 100A Busbar Forked Typ 18 ways
    1 in stock
    More available within 1 - 3 working days *
    SKU: BBF1100
    £8.60
    WCED 4P 40A 4NO 24V Modular contactor

    WCED WAC4P40/24 – 4 Pole 40A 4NO 24V AC Modular Contactor
    Delivery usually within 1 - 3 working days *
    SKU: WAC4P40/24
    Quantity Discount
    Quantity Price
    1 - 2 £13.50
    3+ £13.16
    5+ £12.83
    10+ £12.49
    20+ £12.15
    £13.50
    G-ProBox Plus Consumer Unit Relocation Box

    G-ProBox Plus Consumer Unit Relocation Box
    3 in stock
    More available within 1 - 3 working days *
    SKU: GPROBOX-PLUS
    £48.30
    Hager ADB432U Hager ADB432U RCBO 10kA B-32A 30mA Type A

    Hager ADB432U RCBO 10kA B-32A 30mA Type A
    6 in stock
    More available within 1 - 3 working days *
    SKU: ADB432U
    £35.76
    Hager ADC416U Hager ADC416U RCBO 10kA C-16A 30mA Type A

    Hager ADC416U RCBO 10kA C-16A 30mA Type A
    6 in stock
    More available within 1 - 3 working days *
    SKU: ADC416U
    £35.76
    Live Electrical MMGU05-SR Live Electrical MMGU05-SR SPD Garage/EV Consumer Unit with 40A RCBO 1

    Live Electrical MMGU05-SR SPD Garage/EV Consumer Unit with 40A RCBO
    5 in stock
    More available within 1 - 3 working days *
    SKU: MMGU05-SR
    £41.98
    FuseBox Bi-Directional Mini RCBO 06A C Curve 30mA Type A - Compact and Reliable Protection

    FuseBox Bi-Directional Mini RCBO 20A C Curve 30mA Type A
    6 in stock
    More available within 1 - 3 working days *
    SKU: RTAMC20BD
    £13.94
    Live Electrical CB216C 2 Pole MCB 16A C Curve

    Live Electrical CB216C 2 Pole 10kA MCB 16A C Curve
    12 in stock
    More available within 1 - 3 working days *
    SKU: CB216C
    £5.89

    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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