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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1908)

    Consumer Units

    Consumer Units (478)

    Circuit Protection Devices

    Circuit Protection Devices (1064)

    EV Circuit Protection

    EV Circuit Protection (106)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (127)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (93)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (174)

    Switch Gear

    Switch Gear (266)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Timeguard TX2410 10A Type A RCBO

    Timeguard | TX2410 | B Curve | 6kA | Type A RCBO | 10A
    Delivery usually within 1 - 3 working days*
    SKU: TX2410
    £9.30
    Timeguard TX2420 20A Type A RCBO

    Timeguard | TX2420 | B Curve | 6kA | Type A RCBO | 20A
    Delivery usually within 1 - 3 working days*
    SKU: TX2420
    £9.30
    Deligo MC1254P6 4NO 125A 230V AC Modular Contactor

    Deligo | MC1254P6 | 4NO 125A AC1 230V AC | Modular Contactor
    Delivery usually within 1 - 3 working days*
    SKU: MC1254P6
    £81.34
    FuseBox 23 Way Consumer Unit Kit with 18 RCBOs

    FuseBox | F3023MZ | 23 Way Consumer Unit Kit | 18 Bi-Dir RCBOs | 5 Blanks | Gland
    Delivery usually within 1 - 3 working days*
    SKU: F3023MZ/BD/KIT/15
    £388.88
    Axiom SF63N 63A 415V TPN Switch Fuse

    Axiom | SF63N | 63A 415V IP54 | Three Phase Switch Fuse
    Out of Stock
    This item cannot be back-ordered
    SKU: SF63N
    £100.93
    Read more
    Axiom HSC80SP 100A Single Pole Fuse Cut Out

    Axiom | HSC80SP | 100A Single Pole Fuse Cut Out
    1 In Stock
    More available within 1 - 3 working days*
    SKU: HSC80SP
    £16.56
    FuseBox MAFDD064030B 40A 30mA Mini AFDDFuseBox | MAFDD064030B | 6kA | 30mA | 40A Mini AFDD

    FuseBox | MAFDD064030B | 6kA | 30mA | 40A Mini AFDD
    5 In Stock
    More available within 1 - 3 working days*
    SKU: MAFDD064030B
    £79.99
    Live 24 Way Double Pole Busbar RCBO Consumer UnitDouble Pole 100A Busbar

    Live Electrical | LSMC24SRN/125 | 24 Way Metal Preconfigured Populated RCBO Consumer Unit | SPD | 21 x DP RCBOs
    Delivery usually within 2 - 4 working days*
    SKU: LSMC24SRN/125
    £293.49
    WCED WME12/HPRC40C Heat Pump Consumer Unit

    WCED | WME12/HPRC40C | 12 Module | Heat Pump Consumer Unit | 40A Type B HP RCD | 1 x 16A MCB | 2 × 16A RCBOs | SPD
    4 In Stock
    This item cannot be back-ordered
    SKU: WME12/HPRC40C
    £166.16
    Niglon M3CU16SP 10 RCBO SPD Consumer Unit KitNiglon M3CU14SP/8RCBO SPD Consumer Unit Kit with 8 RCBOs

    Niglon | M3CU16SP | SPD Consumer Unit Kit | 13 Usable Ways | 10 Bi-Directional RCBOs
    Out of Stock
    This item cannot be back-ordered
    SKU: M3CU16SP/10RCBO/BiDir
    £158.64
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    Live 15 Way Double Pole Busbar RCBO Consumer UnitDP Busbar

    Live Electrical | LSMC18SRN/100 | 15 Way Metal Preconfigured Populated RCBO Consumer Unit | SPD | 15 x DP RCBOs
    1 In Stock
    More available within 2 - 4 working days*
    SKU: LSMC18SRN/100
    £203.21
    MS2100B 2 Pole 100A Main Switch Double Terminal

    Live Electrical | MS2100B | 2 Pole Main Switch | 100A Double Terminal Busbar Compatible
    Delivery usually within 1 - 3 working days*
    SKU: MS2100B
    £8.44
    MS4100B 4 Pole 100A Main Switch Double Terminal

    Live Electrical | MS4100B | 4 Pole Main Switch | 100A Double Terminal Busbar Compatible
    Delivery usually within 1 - 3 working days*
    SKU: MS4100B
    £12.03
    LSMC840SP-P 3 Phase EV Charger Consumer Unit C Curve8 Way Metal Consumer Unit with Type A RCBO and SPD

    Live Electrical | LSMC840SP-P | 3 Phase EV Charger Consumer Unit | SPD | C40A Type A RCBO
    Delivery usually within 2 - 4 working days*
    SKU: LSMC840SP-P
    £80.14
    FMC14SRN/100 Flush Double Pole Busbar RCBO Consumer Unit

    Live Electrical | FMC14SRN/100 | 14 Way Flush Metal Preconfigured Populated RCBO Consumer Unit | SPD | 11 x DP RCBOs
    1 In Stock
    More available within 2 - 4 working days*
    SKU: FMC14SRN/100
    £198.00
    Live Electrical Heat Pump Consumer Unit C16 RCBOLive CEB240-030 40A 2 Pole Type B HP RCD for Heat Pumps

    Live Electrical | LHP1040MSE-2R | Heat Pump Consumer Unit | 40A Type B HP RCD | 1 x C16 MCB 2 x C16 RCBO | SPD
    Delivery usually within 1 - 3 working days*
    SKU: LHP1040MSE-2R
    £180.33
    Hager JK104BA3 Hager JK104BA3 125A 4 Way TPN Board with Plain Door (Amendment 3)

    Hager JK104BA3 125A 4 Way TPN Board with Plain Door (Amendment 3)
    1 In Stock
    More available within 1 - 3 working days*
    SKU: JK104BA3
    £148.90
    Hager JK030BEB Earth Bar - 2 x 15 Connections

    Hager JK030BEB Earth Bar – 2 x 15 Connections
    Delivery usually within 1 - 3 working days*
    SKU: JK030BEB
    £60.54
    Hager JK01DC Door Document Clip (Pack of 10)

    Hager JK01DC Door Document Clip (Pack of 10)
    Delivery usually within 1 - 3 working days*
    SKU: JK01DC
    £13.73
    Hager JK1/2TOPSHROUD Busbar Stack Top Shroud

    Hager JK1/2TOPSHROUD Busbar Stack Top Shroud
    Delivery usually within 1 - 3 working days*
    SKU: JK1/2TOPSHROUD
    £16.26

    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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