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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1883)

    Consumer Units

    Consumer Units (469)

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    Circuit Protection Devices (1052)

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    EV Circuit Protection (105)

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    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Showing 841–860 of 2331 results

    FuseBox MT10D253 FuseBox MT10D253 25A Triple Pole 10kA D Curve MCB

    FuseBox MT10D253 25A Triple Pole 10kA D Curve MCB
    2 In Stock
    More available within 2 - 3 working days*
    SKU: MT10D253
    £9.51
    Live Electrical ENC0365 Live Electrical 3 Way Enclosure IP65 H:185 x W:95 x D:110mm

    Live Electrical ENC0365 IP65 3 Way Enclosure
    2 In Stock
    More available within 1 - 2 working days*
    SKU: ENC0365
    £12.95
    Live Electrical ENC0565 Live Electrical 5 Way Enclosure IP65 H:185 x W:130 x D:110mm

    Live Electrical ENC0565 IP65 5 Way Enclosure
    1 In Stock
    More available within 1 - 2 working days*
    SKU: ENC0565
    £15.65
    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
    Hager ADC910R C10A Bidirectional RCBOHager | ADC910R | 1P+N | 6kA | 30mA | C Curve | Type A Bidirectional RCBO | 10A

    Hager | ADC910R | 1P+N | 6kA | 30mA | C Curve | Type A Bidirectional RCBO | 10A
    2 In Stock
    More available within 3 - 4 working days*
    SKU: ADC910R
    £19.70
    Live Electrical AGU5-SR/B IP65 Metal SPD 2 Way Garage/EV Unit with B40A RCBO - Black

    Live Electrical AGU5-SR/B IP65 Metal SPD 2 Way Garage/EV Unit with B40A RCBO – Black
    Delivery usually within 1 - 3 working days*
    SKU: AGU5-SR/B
    Quantity Discount
    Quantity Price
    1 - 2 £52.92
    3+ £51.60
    5+ £50.27
    10+ £48.95
    £52.92
    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
    £52.61
    LIVE Electrical LBT-8 8v Bell Transformer

    Live Electrical LBT-8 8V Bell Transformer
    1 In Stock
    More available within 1 - 3 working days*
    SKU: LBT-8
    £6.50
    RTN320B-030N Live Electrical 3P+N 20A B Curve 30mA Type A RCBO

    Live Electrical 3P+N 20A B Curve 30mA Type A RCBO
    4 In Stock
    More available within 1 - 3 working days*
    SKU: RTN320B-030N
    £45.15
    Live Electrical 3P+N 20A C Curve 30mA Type A RCBO

    Live Electrical 3P+N 20A C Curve 30mA Type A RCBO
    9 In Stock
    More available within 1 - 3 working days*
    SKU: RTN320C-030N
    £45.15
    Live Electrical CZ280C 2P 80A MCB 10kA Curve C

    Live Electrical | CZ280C | 10kA | Curve C | 2 Pole Bi-Directional MCB | 80A
    Delivery usually within 1 - 3 working days*
    SKU: CZ280C
    £12.87
    Unicrimp QGT3B Grommet Strip Edge Roll - 5mm x 8mm x 3m (Black)

    Unicrimp QGT3B Grommet Strip Edge Roll – 5mm x 8mm x 3m (Black)
    2 In Stock
    More available within 1 - 3 working days*
    SKU: QGT3B
    £2.63
    Hager MZ203 Shunt Trip 230-415V AC / 110-130V DC

    Hager MZ203 Shunt Trip 230-415V AC / 110-130V DC
    Delivery usually within 3 - 4 working days*
    SKU: MZ203
    £43.30
    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
    Live Electrical EV440SP-BP IP65 EV Consumer Unit B40 RCBO + Type 2 SPD + Busbar

    Live Electrical EV440SP-BP IP65 EV Consumer Unit B40 RCBO + Type 2 SPD + Busbar
    21 In Stock
    More available within 1 - 3 working days*
    SKU: EV440SP-BP
    Quantity Discount
    Quantity Price
    1 - 2 £30.99
    3+ £29.44
    5+ £28.67
    10+ £26.96
    20+ £25.41
    £30.99
    Live Electrical EV432SP-BP IP65 EV Consumer Unit B32 RCBO + Type 2 SPD + Busbar

    Live Electrical EV432SP-BP IP65 EV Consumer Unit B32 RCBO + Type 2 SPD + Busbar
    17 In Stock
    More available within 1 - 3 working days*
    SKU: EV432SP-BP
    Quantity Discount
    Quantity Price
    1 - 2 £30.99
    3+ £29.44
    5+ £28.67
    10+ £26.96
    20+ £25.41
    £30.99
    PVC Trunking (50x50mm) for FuseBox F3015MZ / F3016M Consumer Unit

    PVC Trunking (50x50mm) for FuseBox F3015MZ / F3016M Consumer Unit
    4 In Stock
    More available within 1 - 3 working days*
    SKU: MAK50/50/F3015MZ
    £7.95
    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 AMR110C-030 30mA Type A 6kA C Curve 10A Bi-Directional RCBO

    Live Electrical | AMR110C-030 | 6kA 30mA | Type A C Curve | Bi-Directional RCBO | 10A
    3 In Stock
    More available within 1 - 3 working days*
    SKU: AMR110C-030
    £8.66

    Showing 841–860 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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