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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1915)

    Consumer Units

    Consumer Units (481)

    Circuit Protection Devices

    Circuit Protection Devices (1069)

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    EV Circuit Protection (105)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (128)

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    Three Phase Distribution Boards (93)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (178)

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    Switch Gear (267)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Live CEB240-030 40A 2 Pole Type B HP RCD for Heat Pumps

    Live Electrical | CEB240-030 | 2 Pole | Bi-Directional Type B HP RCD for Heat Pumps | 10kA | 30mA | 40A
    Delivery usually within 1 - 3 working days*
    SKU: CEB240-030
    £87.84
    Live RKN316B-030 Bi-Directional 3 Phase RCBO B16A

    Live Electrical | RKN316B-030 | 3P+N | Bi-Directional RCBO | Type A | Curve B | 30mA | 16A
    Delivery usually within 1 - 3 working days*
    SKU: RKN316B-030
    £48.41
    Live RKN340C-030 Bi-Directional 3 Phase RCBO C40A

    Live Electrical | RKN340C-030 | 3P+N | Bi-Directional RCBO | Type A | Curve C | 30mA | 40A
    Delivery usually within 1 - 3 working days*
    SKU: RKN340C-030
    £48.41
    Niglon Protego 3 Phase Conversion Kit

    Niglon | TPN-1PKIT | Protego | 3 Phase to Single Phase Conversion Kit
    Delivery usually within 1 - 3 working days*
    SKU: TPN-1PKIT
    £12.69
    Niglon SP12S-3PN/100KA Type 1+2 SPD

    Niglon | SP12S-3PN/100KA | Type 1+2 Surge Protection Device | 100kA
    1 In Stock
    More available within 1 - 3 working days*
    SKU: SP12S-3PN/100KA
    £348.01
    Niglon NTA2-415 Protego 3 Phase Surge Protection Kit

    Niglon | NTA2-415 | Type 2 TPN Surge Protection Kit for Protego 3 Phase Distribution Boards
    3 In Stock
    More available within 1 - 3 working days*
    SKU: NTA2-415
    £42.75
    FuseBox AGSW Grommet Strip 5m White

    FuseBox | AGSW | Strip Grommet | White | 5m
    Delivery usually within 1 - 3 working days*
    SKU: AGSW
    £4.68
    Niglon PCU1816M SPD Consumer Unit KitNiglon Protego SPD Consumer Unit Kit

    Niglon | PCU1816M | Protego | SPD Consumer Unit Kit | 15 Usable Way | 12 Bi-Directional RCBOs
    Delivery usually within 1 - 3 working days*
    SKU: PCU1816M/12RCBO/BIDIR
    £206.44
    Niglon PCU2220M SPD Consumer Unit KitNiglon Protego SPD Consumer Unit Kit

    Niglon | PCU2220M | Protego | SPD Consumer Unit Kit | 19 Usable Way | 15 Bi-Directional RCBOs
    Delivery usually within 1 - 3 working days*
    SKU: PCU2220M/15RCBO/BIDIR
    £239.88
    Live 3 Way Double Pole Busbar RCBO Consumer Unit

    Live Electrical | LSMC06SRN/100 | 3 Way Metal Preconfigured Populated RCBO Consumer Unit | SPD | 3 x DP RCBOs
    Out of Stock
    Currently out of stock at the supplier. Expected back in stock end of May.*
    SKU: LSMC06SRN/100
    £77.42
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    Live 5 Way Double Pole Busbar RCBO Consumer UnitDP Busbar

    Live Electrical | LSMC08SRN/100 | 5 Way Metal Preconfigured Populated RCBO Consumer Unit | SPD | 5 x DP RCBOs
    Out of Stock
    Currently out of stock at the supplier. Expected back in stock end of May.*
    SKU: LSMC08SRN/100
    £97.58
    Read more
    Live Electrical | LSMC22SRN/100 | 19 Way Metal Preconfigured Populated RCBO Consumer Unit | SPD | 19 x DP RCBOsDP Busbar

    Live Electrical | LSMC22SRN/100 | 19 Way Metal Preconfigured Populated RCBO Consumer Unit | SPD | 19 x DP RCBOs
    Out of Stock
    Currently out of stock at the supplier. Expected back in stock end of May.*
    SKU: LSMC22SRN/100
    £241.05
    Read more
    Live Electrical KR7311/220 Voltage Protection RelayLive Electrical | KR7311/220 | Voltage Protection Relay | Single Phase 220V DIN Rail

    Live Electrical | KR7311/220 | Voltage Protection Relay | Single Phase 220V DIN Rail
    Delivery usually within 1 - 3 working days*
    SKU: KR7311/220
    £17.16
    Live Electrical | TPNH02R | 2 Way Horizontal TP&N Distribution Board | 100A 4 Pole 30mA RCD IncomerLive Electrical | TPNH02R | 2 Way Horizontal TP&N Distribution Board | 100A 4 Pole 30mA RCD Incomer

    Live Electrical | TPNH02R | 2 Way Horizontal TP&N Distribution Board | 100A 4 Pole 30mA RCD Incomer
    Delivery usually within 1 - 3 working days*
    SKU: TPNH02R
    £59.06
    TPNH03R Compact TPN RCD Distribution Board3 Way Horizontal TPN Board with 100A 4 Pole 30mA RCD Incomer

    Live Electrical | TPNH03R | 3 Way Horizontal TP&N Distribution Board | 100A 4 Pole 30mA RCD Incomer
    Delivery usually within 1 - 3 working days*
    SKU: TPNH03R
    £65.40
    Live Electrical | LRS5100C | 5 Pole Automatic Reclosing Switch | 100A Type C 6kALive Electrical | LRS5100C | 5 Pole Automatic Reclosing Switch | 100A Type C 6kA

    Live Electrical | LRS5100C | 5 Pole Automatic Reclosing Switch | 100A Type C 6kA
    Delivery usually within 1 - 3 working days*
    SKU: LRS5100C
    £34.93
    Live Electrical | MP3100 | WiFi Smart Three Phase Energy Meter & Protector | 100A DIN Rail

    Live Electrical | MP3100 | WiFi Smart Three Phase Energy Meter & Protector | 100A DIN Rail
    Delivery usually within 1 - 3 working days*
    SKU: MP3100
    £90.50
    PSR/B IP65 Auto Reset Push Button Switch Black

    Live Electrical | PSR/B | IP65 Auto Reset Push Button Switch | Black 1NO 1NC
    Delivery usually within 1 - 3 working days*
    SKU: PSR/B
    £13.86
    PSR/R IP65 Auto Reset Push Button Switch Red

    Live Electrical | PSR/R | IP65 Auto Reset Push Button Switch | Red 1NO 1NC
    Delivery usually within 1 - 3 working days*
    SKU: PSR/R
    £13.86
    PSR/Y IP65 Auto Reset Push Button Switch Yellow

    Live Electrical | PSR/Y | IP65 Auto Reset Push Button Switch | Yellow 1NO 1NC
    Delivery usually within 1 - 3 working days*
    SKU: PSR/Y
    £13.86

    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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