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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)

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    Switch Fuses - Isolators (175)

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    Switch Gear (266)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Showing 761–780 of 2331 results

    SPV340/1 1500V DC Surge Protection DeviceLive Electrical | SPV340/1 | 3-Pole | 20kA/40kA | Type 2 DC Surge Device | For Circuits up to 1500V

    Live Electrical | SPV340/1 | 3-Pole | Type 2 DC Surge Device | For Circuits up to 1500V
    Delivery usually within 1 - 2 working days*
    SKU: SPV340/1
    £25.28
    Cobra RI/DC/25 Cobra Cable 25A DC Rotary Isolator

    Cobra Cable 25A DC Rotary Isolator
    Delivery usually within 1 - 3 working days*
    SKU: RI/DC/25
    £23.10 £19.99
    FuseBox EV32RAX FuseBox EV32RAX EV Charger Distribution Board

    FuseBox EV32RAX 63A Type A RCD B32A MCB Type 2 SPD EV Charger Consumer Unit
    Delivery usually within 1 - 3 working days*
    SKU: EV32RAX
    £58.80
    IP65 Metal A Type 32A B Curve RCBO EV Protection Unit Plus Surge Protection

    IP65 Metal A Type 32A B Curve RCBO EV Protection Unit Plus Surge Protection
    Delivery usually within 1 - 3 working days*
    SKU: WMIP32BSP
    Quantity Discount
    Quantity Price
    1 £44.78
    2+ £43.88
    3+ £42.54
    5+ £41.42
    10+ £40.30
    £44.78
    FuseBox A65GRAGY Metal IP65 Garage Consumer Unit - Grey

    FuseBox A65GRAGY Metal IP65 Garage Consumer Unit – Grey
    Delivery usually within 1 - 3 working days*
    SKU: A65GRAGY
    £60.00
    FuseBox Bi-Directional Mini RCBO 06A C Curve 30mA Type A - Compact and Reliable Protection

    FuseBox Bi-Directional Mini RCBO 10A C Curve 30mA Type A
    22 In Stock
    More available within 1 - 3 working days*
    SKU: RTAMC10BD
    £14.34
    Live Electrical RNA10C-030 RCBO A Type DP Bi-Directional 10A C Curve 30mA

    Live Electrical RNA10C-030 RCBO A Type DP Bi-Directional 10A C Curve 30mA
    Delivery usually within 1 - 3 working days*
    SKU: RNA10C-030
    £10.43
    Live Electrical CB220B 2 Pole MCB 20A B Curve

    Live Electrical | CB220B | 10kA | Curve B | 2 Pole Bi-Directional MCB | 20A
    1 In Stock
    More available within 1 - 3 working days*
    SKU: CB220B
    £5.89
    Live Electrical 1P 100A Curve C MCB with 10kA breaking capacity – suitable for motor loads and industrial circuit protection applications.

    Live Electrical | CZ1100C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 100A
    4 In Stock
    More available within 1 - 3 working days*
    SKU: CZ1100C
    £6.15
    Niglon DRT20 Mechanical Stair Timer

    Niglon DRT20 Mechanical Stair Timer
    Delivery usually within 1 - 3 working days*
    SKU: DRT20
    £18.10
    Niglon PCU1412M 9 RCBO SPD Consumer Unit KitNiglon Protego 9 RCBOs SPD Consumer Unit Kit

    Niglon | PCU1412M | Protego | SPD Consumer Unit Kit | 11 Usable Way | 9 Bi-Directional RCBOs
    Delivery usually within 1 - 3 working days*
    SKU: PCU1412M/9RCBO/BIDIR
    £159.69
    Niglon PRCB01C1-06 1P + Neutral 6A Curve C Bi-Directional 10kA RCBO

    Niglon PRCBO10C1-06 1P + Neutral 6A Curve C Bi-Directional 10kA RCBO
    2 In Stock
    More available within 1 - 3 working days*
    SKU: PRCBO10C1-06
    £19.21
    Live Electrical WCB1-63N Wi-Fi Smart Energy Switch with kWh Metering and Protection

    Live Electrical WCB1-63N Wi-Fi Smart Energy Switch with kWh Metering and Protection
    Delivery usually within 1 - 3 working days*
    SKU: WCB1-63N
    £22.66
    Garo DNO5B 100A black 5 way terminal block for secure wiring of phase or control circuits, suitable for cables from 2.5mm² to 35mm² in modern electrical panels.

    Garo DNO5B 100A 5 Way Black Terminal Block
    59 In Stock
    More available within 1 - 3 working days*
    SKU: DNO5B
    Quantity Discount
    Quantity Price
    1 - 9 £3.50
    10+ £3.40
    20+ £3.33
    50+ £3.26
    £3.50
    Whitecliffe WRT332C-030 32A C Curve 3 Pole A-Type RCBO

    WCED | WRT332C-030 | 32A C Curve | 10kA | 3 Pole A-Type Bi-Directional RCBO
    Delivery usually within 1 - 3 working days*
    SKU: WRT332C-030
    £57.26
    WCED WMC116C WCED Miniature Circuit Breaker 6kA Curve C - 16A 1WCED WMC116C WCED Miniature Circuit Breaker 6kA Curve C - 16A 2

    WCED Miniature Circuit Breaker 6kA Curve C – 25A
    Delivery usually within 1 - 3 working days*
    SKU: WMC125C
    £1.37
    Hager SBN240 Hager SBN240 40A Double Pole Isolator

    Hager SBN240 40A Double Pole Isolator
    2 In Stock
    More available within 3 - 4 working days*
    SKU: SBN240
    £28.88
    Hager JK11253S Hager JK11253S 125A 3 Pole Mains Switch Incomer Kit 1

    Hager JK11253S 125A 3 Pole Mains Switch Incomer Kit
    1 In Stock
    More available within 3 - 4 working days*
    SKU: JK11253S
    £68.19
    Hager NCN132A Hager NCN132A Single Pole Type C MCB 32A 10kA

    Hager NCN132A Single Pole Type C MCB 32A 10kA
    6 In Stock
    More available within 3 - 4 working days*
    SKU: NCN132A
    £9.18
    Live Electrical MAC4P25 Live Electrical MAC4P25 25A Modular AC Contactor 4 Pole NO 1

    Live Electrical MAC4P25 – 4 Pole 25A 4NO 230V AC Modular Contactor
    Delivery usually within 1 - 2 working days*
    SKU: MAC4P25
    £12.99

    Showing 761–780 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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