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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1879)

    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 (121)

    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)

    Garo 200A Metal Clad Isolator

    Garo GSW4200IP55M Metal Clad IP55 200A 4 Pole Isolator
    Delivery usually within 1 - 3 working days *
    SKU: GSW4200IP55M
    £249.90
    FuseBox R3PN10C1630BD Curve C 3 Phase 16A RCBOFuseBox 3 Phase RCBO - Front

    FuseBox R3PN10C1630BD 16A 3P+N Curve C Bi-Directional RCBO
    4 in stock
    More available within 1 - 3 working days *
    SKU: R3PN10C1630BD
    £64.72
    Switchtec SMC-2520-12VDC 25A Contactor

    Switchtec SMC-2520-12VDC 25A Contactor – 2NO 12V DC Coil
    4 in stock
    More available within 1 - 3 working days *
    SKU: SMC-2520-12VDC
    £17.94
    Switchtec SMC-2540-240 25A Contactor

    Switchtec SMC-2540-240 25A Contactor – 4NO 240V AC Coil
    6 in stock
    More available within 1 - 3 working days *
    SKU: SMC-2540-240
    £16.34
    WCED WRT106B-030 Bi-Directional 10kA Type A 30mA RCBO Curve B 6A

    WCED WRT106B-030 Bi-Directional 10kA Type A 30mA RCBO Curve B 6A
    Delivery usually within 1 - 3 working days *
    SKU: WRT106B-030
    £12.50
    WCED WRI3P32 32A DIN Rail Rotary Isolator Switch

    WCED | WRI3P32 | 32A | 3 Pole | DIN Rail Rotary Isolator Switch
    Delivery usually within 1 - 3 working days *
    SKU: WRI3P32
    £9.12
    Hager NBN306A 3 Pole MCB Type B 6A 10kA

    Hager NBN306A 3 Pole MCB Type B 6A 10kA
    2 in stock
    More available within 1 - 3 working days *
    SKU: NBN306A
    £35.99
    Hager VML402AH 2 Way 40A Type A RCD Garage Consumer Unit

    Hager VML402AH 2 Way 40A Type A RCD Garage Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: VML402AH
    £49.50
    Live Electrical TPN10-125 Live Electrical TPN10-125 125A 10 Way TPN Distribution Board 1

    Live Electrical TPN10-125 125A 10 Way TPN Distribution Board
    Delivery usually within 1 - 2 working days *
    SKU: TPN10-125
    £125.01
    Live Electrical TPN14-125 Live Electrical TPN14-125 125A 14 Way TPN Distribution Board 1

    Live Electrical TPN14-125 125A 14 Way TPN Distribution Board
    Delivery usually within 1 - 2 working days *
    SKU: TPN14-125
    £171.63
    Live Electrical TPN08-250 250A Live Electrical 8 Way TPN Distribution Board 1

    250A Live Electrical 8 Way TPN Distribution Board
    Delivery usually within 1 - 2 working days *
    SKU: TPN08-250
    £236.85
    Hager VML914CUSPDRK SPD Dual RCD 14 Way Consumer Unit

    Hager VML914CUSPDRK SPD Dual RCD 14 Way Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: VML914CUSPDRK
    £146.71
    Hager MTN150 MCB 6kA B-50

    Hager MTN150 MCB 6kA B-50
    Delivery usually within 1 - 3 working days *
    SKU: MTN150
    £2.45
    Live Electrical CB350D Live Electrical CB350D 3 Pole 50A D Curve 10kA MCB 1

    Live Electrical CB350D 3 Pole 50A D Curve 10kA MCB
    1 in stock
    More available within 1 - 2 working days *
    SKU: CB350D
    £9.07
    Live Electrical CB163D Live Electrical CB163D 63A Curve D 10kA MCB 1

    Live Electrical CB163D 63A Curve D 10kA MCB
    11 in stock
    More available within 1 - 2 working days *
    SKU: CB163D
    £2.95
    Hager VML12020 Hager VML12020 Dual Row 20+20 Way Main Switch Consumer Unit

    Hager VML12020 Dual Row 20+20 Way Main Switch Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: VML12020
    £165.62
    Hager VMLF120 Hager VMLF120 20 Way Main Switch Flush Consumer Unit

    Hager VMLF120 20 Way Main Switch Flush Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: VMLF120
    £91.54
    Hager JK112BA3 Hager JK112BA3 125A 12 Way TPN Board with Plain Door (Amendment 3)

    Hager JK112BA3 125A 12 Way TPN Board with Plain Door (Amendment 3)
    Delivery usually within 1 - 3 working days *
    SKU: JK112BA3
    £224.16
    Hager NBN316A 3 Pole MCB Type B 16A 10kA

    Hager NBN316A 3 Pole MCB Type B 16A 10kA
    6 in stock
    More available within 1 - 3 working days *
    SKU: NBN316A
    £35.99
    Hager NCN325A 3 Pole MCB Type C 25A 10kA

    Hager NCN325A 3 Pole MCB Type C 25A 10kA
    Delivery usually within 1 - 3 working days *
    SKU: NCN325A
    £35.99

    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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