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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)

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    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 101–120 of 2331 results

    Live Electrical WS18-125 Live Electrical Single Pole 125A Rail Mount Fuse Holder Without Fuse 1

    Live Electrical Single Pole 125A Rail Mount Fuse Holder Without Fuse
    4 In Stock
    More available within 1 - 2 working days*
    SKU: WS18-125
    £8.90
    Live Electrical Triple Pole 100A Copper Busbar 1m 16mm² 54 Pin

    Live Electrical Triple Pole 100A Copper Busbar 1m 16mm² 54 Pin
    12 In Stock
    More available within 1 - 2 working days*
    SKU: TPC100
    £21.04
    Live Electrical EMCU4-A 4 Way Empty DIN Rail Metal Enclosure With Lid

    Live Electrical EMCU4-A 4 Way Empty DIN Rail Metal Enclosure With Lid
    6 In Stock
    More available within 1 - 2 working days*
    SKU: EMCU4-A
    £9.90
    WCED Twin Screw 100A DP Metal Meter Isolator

    WCED Twin Screw 100A DP Metal Meter Isolator
    30 In Stock
    More available within 1 - 3 working days*
    SKU: MEC2100
    £12.47
    Live Electrical TPN04-125S Live Electrical 125 Amp 4 Way TPN Distribution Board with SPD 1

    Live Electrical TPN04-125S 125 Amp 4 Way TPN Distribution Board with SPD
    12 In Stock
    More available within 1 - 2 working days*
    SKU: TPN04-125S
    £124.03
    Live Electrical CB116B Live Electrical CB116B 16A Curve B 10kA MCB 1

    Live Electrical | CB116B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 16A
    4 In Stock
    More available within 1 - 2 working days*
    SKU: CB116B
    £2.95
    Live Electrical SP1401P+N/1 Type 2 SPD Surge Protection Device

    Live Electrical SP1401P+N/1 Type 2 SPD Surge Protection Device
    2 In Stock
    More available within 1 - 2 working days*
    SKU: SP1401P+N/1
    £13.67
    WCED Double Pole Type A 30mA RCBO Curve B - 32A

    WCED Double Pole Type A 30mA RCBO Curve B – 32A
    2 In Stock
    More available within 1 - 3 working days*
    SKU: WER32B-030
    £15.09
    WCED WEC440SPT12 WCED Stand Alone Type 1 & 2 SPD with Main Switch 1

    WCED Whitecliffe WEC440SPT12 Stand Alone Type 1 & 2 SPD with Main Switch
    Delivery usually within 1 - 3 working days*
    SKU: WEC440SPT12
    Quantity Discount
    Quantity Price
    1 £65.94
    2+ £62.64
    3+ £60.99
    5+ £59.35
    £65.94
    Live Electrical CB320C Live Electrical CB320C 3 Pole 20A C Curve 10kA MCB 1

    Live Electrical | CB320C | 10kA | Curve C | 3 Pole Bi-Directional MCB | 20A
    9 In Stock
    More available within 1 - 2 working days*
    SKU: CB320C
    £8.37
    Live Electrical 7 Way SPD Metal Consumer Unit Kit with 5 RCBOsLive Electrical 7 Way SPD Metal Consumer Unit Kit with 5 RCBOs 5

    Live Electrical 7 Way SPD Metal Consumer Unit Kit with 5 RCBOs
    In Stock
    SKU: LSMC10M-SP/5RCBO
    £85.37
    Live Electrical EV440SP-P IP65 EV Consumer Unit C40 RCBO + Type 2 SPD + Busbar

    Live Electrical EV440SP-P IP65 EV Consumer Unit C40 RCBO + Type 2 SPD + Busbar
    Delivery usually within 1 - 3 working days*
    SKU: EV440SP-P
    Quantity Discount
    Quantity Price
    1 - 2 £30.99
    3+ £29.44
    5+ £28.67
    10+ £26.96
    20+ £25.41
    £30.99
    FuseBox RTA101630B FuseBox RTA101630B 16A 30mA 10kA B Curve Type A RCBO

    FuseBox RTA101630B 16A 30mA 10kA B Curve Type A RCBO
    2 In Stock
    More available within 2 - 3 working days*
    SKU: RTA101630B
    £15.99
    Live Electrical RI432 4 Pole 32A IP65 Rotary Isolator Switch

    Live Electrical RI432 4 Pole 32A IP65 Rotary Isolator Switch
    2 In Stock
    More available within 1 - 2 working days*
    SKU: RI432
    £12.30
    FuseBox RTAMB10 10A Mini Type A RCBO

    FuseBox RTAMB10 10A Mini Type A RCBO
    20 In Stock
    This item cannot be back-ordered
    SKU: RTAMB10
    £13.50 £12.49
    Live Electrical AMR140B-100 100mA Bi-Directional Type A Compact RCBO 40A B CurveLive Electrical AMR140B-100 100mA Bi-Directional Type A Compact RCBO 40A B Curve 2

    Live Electrical | AMR140B-100 | 100mA Bi-Directional Type A Compact RCBO 40A B Curve
    10 In Stock
    More available within 1 - 3 working days*
    SKU: AMR140B-100
    £9.99
    FuseBox RTA100630B FuseBox RTA100630B 6A 30mA 10kA B Curve Type A RCBO

    FuseBox RTA100630B 6A 30mA 10kA B Curve Type A RCBO
    20 In Stock
    More available within 2 - 3 working days*
    SKU: RTA100630B
    £15.99
    Fusebox SCO125SWB 125A Changeover Switch And Busbar

    Fusebox SCO125SWB 125A Changeover Switch And Busbar
    1 In Stock
    More available within 2 - 3 working days*
    SKU: SCO125SWB
    £27.99
    WCED WAC2P32/1M 2 Pole 32A NO Normally Open AC Modular Contactor - 1 Module

    WCED WAC2P32/1M – 2 Pole 32A 2NO 230V AC 1-Module Modular Contactor
    5 In Stock
    More available within 1 - 3 working days*
    SKU: WAC2P32/1M
    Quantity Discount
    Quantity Price
    1 - 2 £10.95
    3+ £10.68
    5+ £10.40
    10+ £10.13
    20+ £9.85
    £10.95
    Live Electrical MMGU40C-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 40A C Curve Type A

    Live Electrical MMGU40C-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 40A C Curve Type A
    1 In Stock
    More available within 1 - 2 working days*
    SKU: MMGU40C-SP
    Quantity Discount
    Quantity Price
    1 - 2 £30.99
    3+ £29.44
    5+ £28.67
    10+ £26.96
    20+ £25.41
    £30.99

    Showing 101–120 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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