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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1912)

    Consumer Units

    Consumer Units (461)

    Circuit Protection Devices

    Circuit Protection Devices (1069)

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    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)

    Hager CDF525U RCCB 1P+N 25A 30mA F Class

    Hager CDF525U RCCB 1P+N 25A 30mA F Class
    Delivery usually within 1 - 3 working days *
    SKU: CDF525U
    £82.68
    Hager CFA263U RCCB 2P 63A 300mA A Class 

    Hager CFA263U RCCB 2P 63A 300mA A Class 
    Delivery usually within 1 - 3 working days *
    SKU: CFA263U
    £100.21
    Hager CEA584U RCCB 1P+N 100A 100mA A Class

    Hager CEA584U RCCB 1P+N 100A 100mA A Class
    Delivery usually within 1 - 3 working days *
    SKU: CEA584U
    £146.98
    Live Electrical 3P+N 16A C Curve 30mA Type A RCBO

    Live Electrical 3P+N 16A C Curve 30mA Type A RCBO
    2 in stock
    More available within 1 - 3 working days *
    SKU: RTN316C-030N
    £45.15
    Live Electrical 3P+N 50A C Curve 30mA Type A RCBO

    Live Electrical 3P+N 50A C Curve 30mA Type A RCBO
    Delivery usually within 1 - 3 working days *
    SKU: RTN350C-030N
    £45.15
    Live Electrical RNA32C-030 RCBO A Type DP Bi-Directional 32A C Curve 30mA

    Live Electrical RNA32C-030 RCBO A Type DP Bi-Directional 32A C Curve 30mA
    9 in stock
    More available within 1 - 3 working days *
    SKU: RNA32C-030
    £10.43
    Live Electrical CB216B 2 Pole MCB 16A B Curve

    Live Electrical CB216B 2 Pole 10kA MCB 16A B Curve
    Delivery usually within 1 - 3 working days *
    SKU: CB216B
    £5.89
    Live Electrical CB250B 2 Pole MCB 50A B Curve

    Live Electrical CB250B 2 Pole 10kA MCB 50A B Curve
    Delivery usually within 1 - 3 working days *
    SKU: CB250B
    £6.40
    Live Electrical CB232C 2 Pole MCB 32A C Curve

    Live Electrical CB232C 2 Pole 10kA MCB 32A C Curve
    Delivery usually within 1 - 3 working days *
    SKU: CB232C
    £5.89
    Live Electrical CZ280B 2P 80A MCB 10kA Curve B

    Live Electrical CZ280B 2P 80A MCB 10kA Curve B
    Out of stock
    This item cannot be back-ordered
    SKU: CZ280B
    £12.87
    Read more
    Live Electrical MS1100D 1 Pole 100A Double Terminal Main Switch

    Live Electrical MS1100D 1 Pole 100A Double Terminal Main Switch
    9 in stock
    More available within 1 - 3 working days *
    SKU: MS1100D
    £3.02
    Live Electrical MS1125D 1 Pole 125A Double Terminal Main Switch

    Live Electrical MS1125D 1 Pole 125A Double Terminal Main Switch
    Out of stock
    This item cannot be back-ordered
    SKU: MS1125D
    £3.18
    Read more
    Live Electrical MS2125D 2 Pole 125A Double Terminal Main Switch

    Live Electrical MS2125D 2 Pole 125A Double Terminal Main Switch
    Delivery usually within 1 - 3 working days *
    SKU: MS2125D
    £6.12
    Live Electrical MS4125D 4 Pole 125A Double Terminal Main Switch

    Live Electrical MS4125D 4 Pole 125A Double Terminal Main Switch
    Delivery usually within 1 - 3 working days *
    SKU: MS4125D
    £12.66
    Live Electrical LSMC10 10 Module Metal Enclosure

    Live Electrical LSMC10 10 Module Metal Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: LSMC10
    £28.58
    Live Electrical LSMC18 18 Module Metal Enclosure

    Live Electrical LSMC18 18 Module Metal Enclosure
    2 in stock
    More available within 1 - 3 working days *
    SKU: LSMC18
    £39.25
    Live Electrical FMC08 8 Module Flush Mounted Metal Enclosure

    Live Electrical FMC08 8 Module Flush Mounted Metal Enclosure
    2 in stock
    More available within 1 - 3 working days *
    SKU: FMC08
    £31.16
    Live Electrical FMC14M-SP 11 Way Flush SPD Metal Consumer Unit

    Live Electrical FMC14M-SP 11 Way Flush SPD Metal Consumer Unit
    1 in stock
    More available within 1 - 3 working days *
    SKU: FMC14M-SP
    £69.21
    Live Electrical FMC20M-SP 17 Way Flush SPD Metal Consumer Unit

    Live Electrical FMC20M-SP 17 Way Flush SPD Metal Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: FMC20M-SP
    £80.93
    Live Electrical LSMC22/100 100A Main Switch 20 Way Consumer Unit

    Live Electrical LSMC22/100 100A Main Switch 20 Way Consumer Unit
    Delivery usually within 1 - 3 working days *
    SKU: LSMC22/100
    £42.40

    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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