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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 DCBOGRC40 30mA Type A Compact RCBO 40A C Curve

    Garo DCBOGRC40 30mA Type A Compact RCBO 40A C Curve
    5 in stock
    More available within 1 - 3 working days *
    SKU: DCBOGRC40
    £10.99
    Garo GCUT8 8 Module IP65 Plastic Enclosure

    Garo GCUT8 8 Module IP65 Plastic Enclosure
    2 in stock
    More available within 1 - 3 working days *
    SKU: GCUT8
    £20.41
    Garo GCUT224 24 Module IP65 Dual Row Plastic Enclosure

    Garo GCUT224 24 Module IP65 Dual Row Plastic Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: GCUT224
    £41.14
    FuseBox R3PN10B1630BD Curve B 3 Phase 16A RCBOFuseBox 3 Phase RCBO - Front

    FuseBox R3PN10B1630BD 16A 3P+N Curve B Bi-Directional RCBO
    8 in stock
    This item cannot be back-ordered
    SKU: R3PN10B1630BD
    £64.72
    Niglon TS4MR Mini Photocell

    Niglon TS4MR Mini Photocell
    3 in stock
    More available within 1 - 3 working days *
    SKU: TS4MR
    £7.06
    Switchtec CURDK 10 Way Consumer Unit Relocation Kit

    Switchtec | CURDK | 10 Way Consumer Unit Relocation Kit | 30 DIN Screw Terminals | 2.5mm-10mm
    2 in stock
    More available within 1 - 3 working days *
    SKU: CURDK
    £42.71
    Switchtec SMC-2502-240 25A Contactor

    Switchtec SMC-2502-240 25A Contactor – 2NC 240V AC Coil
    2 in stock
    More available within 1 - 3 working days *
    SKU: SMC-2502-240
    £9.18
    Switchtec SMC-2520-24VAC 25A Contactor

    Switchtec SMC-2520-24VAC 25A Contactor – 2NO 24V AC Coil
    2 in stock
    More available within 1 - 3 working days *
    SKU: SMC-2520-24VAC
    £9.18
    FuseBox 80A 3P+N IP65 Metal Fused Switch

    FuseBox | TPNFS080 | 3P+N | IP65 Metal Fused Switch | 80A
    Out of stock
    This item cannot be back-ordered
    SKU: TPNFS080
    £100.16
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    WCED WKC263B 10kA 2 Pole MCB Curve B 63A

    WCED WKC263B 10kA 2 Pole MCB Curve B 63A
    Delivery usually within 1 - 3 working days *
    SKU: WKC263B
    Quantity Discount
    Quantity Price
    1 - 4 £6.44
    5+ £6.18
    10+ £6.02
    £6.44
    Timeguard IS3N-20AC 20A 3P IP66 Rotary Isolator Switch

    Timeguard | IS3N-20AC | 20A 3P IP66 | Rotary Isolator Switch
    1 in stock
    More available within 1 - 3 working days *
    SKU: IS3N-20AC
    £9.10
    Hager JK1/NEUTRALSHROUD Neutral Clear Shroud

    Hager JK1/NEUTRALSHROUD Neutral Clear Shroud
    Delivery usually within 1 - 3 working days *
    SKU: JK1/NEUTRALSHROUD
    £4.94
    Hager JK100TAP Top Tap Off Kit

    Hager JK100TAP Top Tap Off Kit
    Delivery usually within 1 - 3 working days *
    SKU: JK100TAP
    £53.60
    Hager MTN163 MCB 6kA B-63

    Hager MTN163 MCB 6kA B-63
    1 in stock
    More available within 1 - 3 working days *
    SKU: MTN163
    £2.45
    Live Electrical CB306D Live Electrical CB306D 3 Pole 6A D Curve 10kA MCB 1

    Live Electrical CB306D 3 Pole 6A D Curve 10kA MCB
    7 in stock
    More available within 1 - 2 working days *
    SKU: CB306D
    £8.37
    Hager VML910CUSPDRK SPD Dual RCD 10 Way Consumer Unit

    Hager VML910CUSPDRK SPD Dual RCD 10 Way Consumer Unit
    1 in stock
    More available within 1 - 3 working days *
    SKU: VML910CUSPDRK
    £129.99
    Hager VML11414 Hager VML11414 Dual Row 14+14 Way Main Switch Consumer Unit

    Hager VML11414 Dual Row 14+14 Way Main Switch Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: VML11414
    £150.62
    Hager JFD306U 63A TPN Metal Fused Switch

    Hager JFD306U 63A TPN Metal Fused Switch
    Delivery usually within 1 - 3 working days *
    SKU: JFD306U
    £256.19
    Hager JFG312U 125A TPN Metal Fused SwitchHager JFG312U Hager JFG312U 125A TPN Metal Fused Switch 2

    Hager JFG312U 125A TPN Metal Fused Switch
    Delivery usually within 6 - 7 weeks *
    SKU: JFG312U
    £474.41
    Hager JFH340U 400A TPN Metal Fused SwitchHager JFH340U Hager JFH340U 400A TPN Metal Fused Switch 2

    Hager JFH340U 400A TPN Metal Fused Switch
    Delivery usually within 1 - 3 working days *
    SKU: JFH340U
    £1,496.58

    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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