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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1908)

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    Consumer Units (478)

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    Circuit Protection Devices (1064)

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    Three Phase Distribution Boards (93)

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    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Hager ADC432U Hager ADC432U RCBO 10kA C-32A 30mA Type A

    Hager ADC432U RCBO 10kA C-32A 30mA Type A
    9 In Stock
    More available within 1 - 3 working days*
    SKU: ADC432U
    £35.76
    Live Electrical AGU5-SNR/B IP65 Metal EV Consumer Unit with C40A RCBO and SPD - Black

    Live Electrical AGU5-SNR/B IP65 Metal EV Consumer Unit with C40A RCBO and SPD – Black
    Delivery usually within 1 - 3 working days*
    SKU: AGU5-SNR/B
    Quantity Discount
    Quantity Price
    1 - 2 £54.20
    3+ £52.85
    5+ £51.49
    10+ £50.14
    £54.20
    Hager KF83D Connection Terminal 1P Prong 1x35mm² - Pack of 1

    Hager KF83D Connection Terminal 1P Prong 1x35mm² – Pack of 1
    8 In Stock
    More available within 1 - 3 working days*
    SKU: KF83D
    £6.60
    RTN310C-030N Live Electrical 3P+N 10A C Curve 30mA Type A RCBO

    Live Electrical 3P+N 10A C Curve 30mA Type A RCBO
    Delivery usually within 1 - 3 working days*
    SKU: RTN310C-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 10kA AFDD with 32A RCBO

    Live Electrical | AFD32B-10 | AFDD with Type A RCBO | 10kA 30mA | B32
    2 In Stock
    More available within 1 - 3 working days*
    SKU: AFD32B-10
    £81.31
    Live Electrical 10kA AFDD with 40A RCBO

    Live Electrical | AFD40B-10 | AFDD with Type A RCBO | 10kA 30mA | B40
    Delivery usually within 1 - 3 working days*
    SKU: AFD40B-10
    £81.31
    Live Electrical RNA20B-030 RCBO A Type DP Bi-Directional 20A B Curve 30mA

    Live Electrical RNA20B-030 RCBO A Type DP Bi-Directional 20A B Curve 30mA
    2 In Stock
    More available within 1 - 3 working days*
    SKU: RNA20B-030
    £10.43
    Live Electrical RNA6C-030 RCBO A Type DP Bi-Directional 6A C Curve 30mA

    Live Electrical RNA6C-030 RCBO A Type DP Bi-Directional 6A C Curve 30mA
    Delivery usually within 1 - 3 working days*
    SKU: RNA6C-030
    £10.43
    Live Electrical CB232B 2 Pole MCB 32A B Curve

    Live Electrical CB232B 2 Pole 10kA MCB 32A B Curve
    7 In Stock
    More available within 1 - 3 working days*
    SKU: CB232B
    £5.89
    Live Electrical CB263B 2 Pole MCB 63A B Curve

    Live Electrical CB263B 2 Pole 10kA MCB 63A B Curve
    Delivery usually within 1 - 3 working days*
    SKU: CB263B
    £6.40
    Live Electrical CB220C 2 Pole MCB 20A C Curve

    Live Electrical CB220C 2 Pole 10kA MCB 20A C Curve
    Delivery usually within 1 - 3 working days*
    SKU: CB220C
    £5.89
    Live Electrical CB250C 2 Pole MCB 50A C Curve

    Live Electrical CB250C 2 Pole 10kA MCB 50A C Curve
    Delivery usually within 1 - 3 working days*
    SKU: CB250C
    £6.40
    Live Electrical CZ3125C 3P 125A MCB 10kA Curve C

    Live Electrical CZ3125C 3P 125A MCB 10kA Curve C
    Delivery usually within 1 - 3 working days*
    SKU: CZ3125C
    £19.31
    Live Electrical MDAC2P63/12V 2 Pole 63A 2NO AC Contactor/12V DC Coil

    Live Electrical MDAC2P63/12V 2 Pole 63A 2NO AC Contactor/12V DC Coil
    Delivery usually within 1 - 3 working days*
    SKU: MDAC2P63/12V
    £13.55
    Live Electrical MDAC2P40/24V 2 Pole 40A 2NO AC Contactor/24V DC Coil

    Live Electrical MDAC2P40/24V 2 Pole 40A 2NO AC Contactor/24V DC Coil
    Delivery usually within 1 - 3 working days*
    SKU: MDAC2P40/24V
    £14.10
    Live Electrical MDAC4P63/12V 4 Pole 63A 4NO AC Contactor/12V DC Coil

    Live Electrical MDAC4P63/12V 4 Pole 63A 4NO AC Contactor/12V DC Coil
    Delivery usually within 1 - 3 working days*
    SKU: MDAC4P63/12V
    £14.10
    Live Electrical MDAC4P63/24V 4 Pole 63A 4NO AC Contactor/24V DC Coil

    Live Electrical MDAC4P63/24V – 4 Pole 63A 4NO 24V DC Coil Modular Contactor
    Delivery usually within 1 - 3 working days*
    SKU: MDAC4P63/24V
    £18.20
    Live Electrical LS-MB14 14 Module LSMC Mounting Bracket

    Live Electrical LS-MB14 14 Module LSMC Mounting Bracket
    Delivery usually within 1 - 3 working days*
    SKU: LS-MB14
    £9.00
    Live Electrical LSMC12 12 Module Metal Enclosure

    Live Electrical LSMC12 12 Module Metal Enclosure
    Delivery usually within 1 - 3 working days*
    SKU: LSMC12
    £31.68

    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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