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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1883)

    Consumer Units

    Consumer Units (469)

    Circuit Protection Devices

    Circuit Protection Devices (1052)

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    EV Circuit Protection (105)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (125)

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    Three Phase Distribution Boards (93)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (175)

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    Switch Gear (266)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Showing 1181–1200 of 2331 results

    WCED WKC320C 10kA 3 Pole MCB Curve C 20A

    WCED | WKC320C | 10kA | Curve C | 3 Pole Bi-Directional MCB | 20A
    Delivery usually within 1 - 3 working days*
    SKU: WKC320C
    £8.61
    Hager KZN021 End Cap for Busbar 1P

    Hager KZN021 End Cap for Busbar 1P
    Delivery usually within 3 - 4 working days*
    SKU: KZN021
    £1.50
    Niglon EDB10D 400A 10-Way Earthing Busbar with Link

    Niglon EDB10D 400A 10-Way Earthing Busbar with Link
    Delivery usually within 1 - 3 working days*
    SKU: EDB10D
    £98.15
    matt:e ARD-2-32-TP-R-SPD EV Connection Centre with O-PEN, 2 x 32A TPN Type A RCBOs & Type 2 SPD

    matt:e ARD-2-32-TP-R-SPD EV Connection Centre with O-PEN, 2 x 32A TPN Type A Curve C RCBOs & Type 2 SPD
    Delivery usually within 1 - 3 working days*
    SKU: ARD-2-32-TP-R-SPD
    £1,144.68
    matt:e EVU-3-32-R Three-Phase EV Consumer Unit with O-PEN® Technology & 3 x 32A Type A RCBOsmatt:e EVU-3-32-R Three-Phase EV Consumer Unit with O-PEN® Technology & 3 x 32A Type A RCBOs

    matt:e EVU-3-32-R Three-Phase EV Consumer Unit with O-PEN® Technology & 3 x 32A Type A RCBOs
    Out of Stock
    This item cannot be back-ordered
    SKU: EVU-3-32-R
    £620.53
    Read more
    Gewiss GW70433P 16A 4-Pole IP66/67/69 Rotary Isolator Switch

    Gewiss GW70433P 16A 4-Pole IP66/67/69 Rotary Isolator Switch
    13 In Stock
    More available within 1 - 3 working days*
    SKU: GW70433P
    £14.95
    Niglon PCU2220M Protego 100A Twin Screw Main Switch 20 Way Metal Consumer Unit

    Niglon PCU2220M Protego 100A Twin Screw Main Switch 20 Way Metal Consumer Unit
    Delivery usually within 1 - 3 working days*
    SKU: PCU2220M
    £54.70
    Niglon PSTAND02 Protego 18 Module Rear Stand Off Plate

    Niglon PSTAND02 Protego 18 Module Rear Stand Off Plate
    Delivery usually within 1 - 3 working days*
    SKU: PSTAND02
    £10.99
    Niglon PMCB10D3-16 16A 3 Pole 10kA Curve D MCB

    Niglon PMCB10D3-16 16A 3 Pole 10kA Curve D MCB
    2 In Stock
    More available within 1 - 3 working days*
    SKU: PMCB10D3-16
    £10.51
    Niglon PMCB10B1-16 16A Single Pole 10kA Curve B MCB

    Niglon PMCB10B1-16 16A Single Pole 10kA Curve B MCB
    7 In Stock
    More available within 1 - 3 working days*
    SKU: PMCB10B1-16
    £3.42
    Niglon PMCB10B1-50 50A Single Pole 10kA Curve B MCB

    Niglon PMCB10B1-50 50A Single Pole 10kA Curve B MCB
    1 In Stock
    More available within 1 - 3 working days*
    SKU: PMCB10B1-50
    £3.42
    Niglon PRCB01C1-50 1P + Neutral 50A Curve C Bi-Directional 10kA RCBO

    Niglon PRCBO10C1-50 1P + Neutral 50A Curve C Bi-Directional 10kA RCBO
    4 In Stock
    More available within 1 - 3 working days*
    SKU: PRCBO10C1-50
    £19.21
    Niglon PRCBO10C3-16 16A 3 Phase Type A 10kA RCBO

    Niglon PRCBO10C3-16 16A 3 Phase Type A 10kA RCBO
    Delivery usually within 1 - 3 working days*
    SKU: PRCBO10C3-16
    £72.09
    Live Electrical WRB1-63N Wi-Fi Smart RCD Switch with kWh Metering and Earth Leakage Protection

    Live Electrical WRB1-63N Wi-Fi Smart RCD Switch with kWh Metering and Earth Leakage Protection
    1 In Stock
    More available within 1 - 3 working days*
    SKU: WRB1-63N
    £26.43
    Hager ARL932U AFDD with 30mA RCBO 32A – Curve B Type A with 1m Neutral Fly Lead

    Hager ARL932U AFDD with 30mA RCBO 32A – Curve B Type A with 1m Neutral Fly Lead
    1 In Stock
    More available within 3 - 4 working days*
    SKU: ARL932U
    £108.95
    Niglon MFTP Multifunction Multi Voltage DIN Rail Mounted Timer

    Niglon MFTP Multifunction Multi Voltage DIN Rail Mounted Timer
    Delivery usually within 1 - 3 working days*
    SKU: MFTP
    £22.34
    Niglon VMT4 3 Phase Failure and Rotation Monitor

    Niglon VMT4 3 Phase Failure and Rotation Monitor
    3 In Stock
    More available within 1 - 3 working days*
    SKU: VMT4
    £21.73
    FuseBox F3047MZ 47 Way RCBO Consumer Unit With SPD

    FuseBox F3047MZ 47 Way RCBO Consumer Unit With SPD
    1 In Stock
    More available within 2 - 3 working days*
    SKU: F3047MZ
    £176.77
    FuseBox F3024M 24 Way Double Bank RCBO Consumer Unit

    FuseBox F3024M 24 Way Double Bank RCBO Consumer Unit
    Delivery usually within 2 - 3 working days*
    SKU: F3024M
    £107.85
    FuseBox F3032M 32 Way Double Bank RCBO Consumer Unit

    FuseBox F3032M 32 Way Double Bank RCBO Consumer Unit
    1 In Stock
    More available within 2 - 3 working days*
    SKU: F3032M
    £138.48

    Showing 1181–1200 of 2331 results

    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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