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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1914)

    Consumer Units

    Consumer Units (477)

    Circuit Protection Devices

    Circuit Protection Devices (1070)

    EV Circuit Protection

    EV Circuit Protection (107)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (127)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (93)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (175)

    Switch Gear

    Switch Gear (267)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Surge Devices SY2-C40XLEDENCM Surge Devices Type 2 20kA/40kA 3 Phase SPD with LED Indication & 3P 32A MCB in IP65 Polycarbonate Enclosure

    Surge Devices SY2-C40XLED/ENCM Type 2+3 Three Phase SPD in Enclosure with MCB
    2 In Stock
    More available within 3 - 4 working days*
    SKU: SY2-C40XLEDENCM
    £183.00
    Live Electrical | SPV340 | 3-Pole | Type 2 DC Surge Device | For Circuits up to 1000VLive Electrical | SPV340 | 3-Pole | Type 2 DC Surge Device | For Circuits up to 1000V

    Live Electrical | SPV340 | 3-Pole | Type 2 DC Surge Device | For Circuits up to 1000V
    Delivery usually within 1 - 2 working days*
    SKU: SPV340
    £21.49
    FuseBox EV32RAX FuseBox EV32RAX EV Charger Distribution Board

    FuseBox EV32RAX 63A Type A RCD B32A MCB Type 2 SPD EV Charger Consumer Unit
    2 In Stock
    More available within 1 - 3 working days*
    SKU: EV32RAX
    £58.80
    Hager ADC910R Hager 30mA Type A 10A 6kA C Curve 1M 1P+N Bi-Directional RCBO

    Hager ADC910R 30mA Type A 10A 6kA C Curve 1M 1P+N Bi-Directional RCBO
    2 In Stock
    More available within 1 - 3 working days*
    SKU: ADC910R
    £19.43
    100A Automatic Reset Breaker with PME Fault Protection

    WCED| WARB3100C | 100A Auto Reset Breaker with PME Protection | 4 Module
    Delivery usually within 1 - 3 working days*
    SKU: WARD3100C
    £39.07
    WCED WT2M Rail Mounted Digital Timer

    WCED WT2M Rail Mounted Digital Timer
    Delivery usually within 1 - 3 working days*
    SKU: WT2M
    £24.56
    Live Electrical 3P+N 20A C Curve 30mA Type A RCBO

    Live Electrical 3P+N 20A C Curve 30mA Type A RCBO
    5 In Stock
    More available within 1 - 3 working days*
    SKU: RTN320C-030N
    £45.15
    Live Electrical CZ180C 1P 80A MCB 10kA Curve C

    Live Electrical CZ180C 1P 80A MCB 10kA Curve C
    Delivery usually within 1 - 3 working days*
    SKU: CZ180C
    £6.15
    Hager MZ203 Shunt Trip 230-415V AC / 110-130V DC

    Hager MZ203 Shunt Trip 230-415V AC / 110-130V DC
    Delivery usually within 1 - 3 working days*
    SKU: MZ203
    £44.67
    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
    2 In Stock
    More available within 1 - 3 working days*
    SKU: WCB1-63N
    £22.66
    CM100LCD Single Phase MID Approved Electricity Meter

    CM100LCD Single Phase MID Approved Electricity Meter
    Delivery usually within 1 - 3 working days*
    SKU: CM100LCD
    £35.20
    Niglon ISM404P Metalclad 40A 4P rotary isolator – dust and splash-resistant switch for local isolation in electrical installations.

    Niglon ISM404P Metal Clad IP54 40A 4P Rotary Isolator
    Out of Stock
    This item cannot be back-ordered
    SKU: ISM404P
    £30.91
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    Fusebox E4PMSH 100A Three Phase 4 Pole Main Switch Electric Meter IsolatorFusebox E4PMSH 100A Three Phase 4 Pole Main Switch Electric Meter Isolator

    Fusebox E4PMSH 100A Three Phase 4 Pole Main Switch Electric Meter Isolator
    14 In Stock
    More available within 1 - 3 working days*
    SKU: E4PMSH
    £16.99
    Fusebox F3004RA 4 Way 63A 30ma Type A RCD Consumer Unit

    Fusebox F3004RA 4 Way 63A 30ma Type A RCD Consumer Unit
    Delivery usually within 1 - 3 working days*
    SKU: F3004RA
    £38.44
    FuseBox MT06C251 25A C Curve Miniature Circuit Breaker

    FuseBox MT06B251 25A MCB Curve B
    18 In Stock
    More available within 1 - 3 working days*
    SKU: MT06B251
    £1.95
    Niglon Protego 7 Way Main Switch SPD Consumer Unit

    Niglon Protego 7 Way Main Switch SPD Consumer Unit
    Delivery usually within 1 - 3 working days*
    SKU: PCU1008M/SPD
    £53.80
    Live Electrical RKA106B-030 6A 10kA B Curve Compact Bi-Directional RCBO For TPN Distribution Boards

    Live Electrical RKA106B-030 10kA Type A B Curve Compact 6A Bi-Directional RCBO
    7 In Stock
    More available within 1 - 3 working days*
    SKU: RKA106B-030
    £11.59
    Live Electrical RKA140B-030 10kA Type A B Curve Compact 40A Bi-Directional RCBO

    Live Electrical RKA140B-030 10kA Type A B Curve Compact 40A Bi-Directional RCBO
    Delivery usually within 1 - 3 working days*
    SKU: RKA140B-030
    £11.59
    Hager VMES02SPD Consumer Unit SPD

    Hager VMES02SPD | Single Module Type 2 Consumer Unit SPD
    3 In Stock
    More available within 1 - 3 working days*
    SKU: VMES02SPD
    £28.25
    WCED WKC463C 10kA 4 Pole MCB Curve C 63A

    WCED WKC463C 10kA 4 Pole MCB Curve C 63A
    Delivery usually within 1 - 3 working days*
    SKU: WKC463C
    Quantity Discount
    Quantity Price
    1 - 4 £12.67
    5+ £12.16
    10+ £11.85
    £12.67

    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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