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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1890)

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    Consumer Units (448)

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    Circuit Protection Devices (1068)

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    Three Phase Distribution Boards (91)

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    Switch Fuses - Isolators (173)

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    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    FuseBox SPDCUKITTPNT1 Type 1 SPD TPN Kit

    FuseBox | SPDCUKITTPNT1 | Type 1 SPD TPN Kit
    Delivery usually within 1 - 3 working days *
    SKU: SPDCUKITTPNT1
    £170.05
    Live Electrical 24V AC 20A modular contactor

    Live Electrical | MLAC2P20/24 | 24V AC 20A 2 Pole NO | Modular Contactor
    Delivery usually within 1 - 3 working days *
    SKU: MLAC2P20/24
    £7.50
    Live Electrical | MLAC2P25/24 | 24V AC 25A 2 Pole NO | Modular Contactor

    Live Electrical | MLAC2P25/24 | 24V AC 25A 2 Pole NO | Modular Contactor
    Delivery usually within 1 - 3 working days *
    SKU: MLAC2P25/24
    £7.50
    WCED WTPNSB TPN Spreader Box with DIN Rail WTPNSB TPN Spreader Box with DIN Rail

    WCED WTPNSB TPN Spreader Box with DIN Rail
    Delivery usually within 1 - 3 working days *
    SKU: WTPNSB
    £46.78
    WCED WKC410D 10kA 4 Pole MCB Curve D 10A

    WCED WKC410D 10kA 4 Pole MCB Curve D 10A
    Delivery usually within 1 - 3 working days *
    SKU: WKC410D
    Quantity Discount
    Quantity Price
    1 - 4 £12.67
    5+ £12.16
    10+ £11.85
    £12.67
    WCED WKC416D 10kA 4 Pole MCB Curve D 16A

    WCED WKC416D 10kA 4 Pole MCB Curve D 16A
    Delivery usually within 1 - 3 working days *
    SKU: WKC416D
    Quantity Discount
    Quantity Price
    1 - 4 £12.67
    5+ £12.16
    10+ £11.85
    £12.67
    WCED WKC420D 10kA 4 Pole MCB Curve D 20A

    WCED WKC420D 10kA 4 Pole MCB Curve D 20A
    Delivery usually within 1 - 3 working days *
    SKU: WKC420D
    Quantity Discount
    Quantity Price
    1 - 4 £12.67
    5+ £12.16
    10+ £11.85
    £12.67
    WCED WKC425D 10kA 4 Pole MCB Curve D 25A

    WCED WKC425D 10kA 4 Pole MCB Curve D 25A
    Delivery usually within 1 - 3 working days *
    SKU: WKC425D
    Quantity Discount
    Quantity Price
    1 - 4 £12.67
    5+ £12.16
    10+ £11.85
    £12.67
    WCED WKC432D 10kA 4 Pole MCB Curve D 32A

    WCED WKC432D 10kA 4 Pole MCB Curve D 32A
    Delivery usually within 1 - 3 working days *
    SKU: WKC432D
    Quantity Discount
    Quantity Price
    1 - 4 £12.67
    5+ £12.16
    10+ £11.85
    £12.67
    WCED WKC440D 10kA 4 Pole MCB Curve D 40A

    WCED WKC440D 10kA 4 Pole MCB Curve D 40A
    Delivery usually within 1 - 3 working days *
    SKU: WKC440D
    Quantity Discount
    Quantity Price
    1 - 4 £12.67
    5+ £12.16
    10+ £11.85
    £12.67
    WCED WKC450D 10kA 4 Pole MCB Curve D 50A

    WCED WKC450D 10kA 4 Pole MCB Curve D 50A
    Delivery usually within 1 - 3 working days *
    SKU: WKC450D
    Quantity Discount
    Quantity Price
    1 - 4 £12.67
    5+ £12.16
    10+ £11.85
    £12.67
    WCED WKC463D 10kA 4 Pole MCB Curve D 63A

    WCED WKC463D 10kA 4 Pole MCB Curve D 63A
    Delivery usually within 1 - 3 working days *
    SKU: WKC463D
    Quantity Discount
    Quantity Price
    1 - 4 £12.67
    5+ £12.16
    10+ £11.85
    £12.67
    WCED WKC206B 10kA 2 Pole MCB Curve B 6A

    WCED WKC206B 10kA 2 Pole MCB Curve B 6A
    Delivery usually within 1 - 3 working days *
    SKU: WKC206B
    Quantity Discount
    Quantity Price
    1 - 4 £6.44
    5+ £6.18
    10+ £6.02
    £6.44
    WCED WKC406B 10kA 4 Pole MCB Curve B 6A

    WCED WKC406B 10kA 4 Pole MCB Curve B 6A
    Delivery usually within 1 - 3 working days *
    SKU: WKC406B
    Quantity Discount
    Quantity Price
    1 - 4 £12.67
    5+ £12.16
    10+ £11.85
    £12.67
    WCED WKC206C 10kA 2 Pole MCB Curve C 6A

    WCED WKC206C 10kA 2 Pole MCB Curve C 6A
    Delivery usually within 1 - 3 working days *
    SKU: WKC206C
    Quantity Discount
    Quantity Price
    1 - 4 £12.67
    5+ £12.16
    10+ £11.85
    £12.67
    WCED WKC406C 10kA 4 Pole MCB Curve C 6A

    WCED WKC406C 10kA 4 Pole MCB Curve C 6A
    Delivery usually within 1 - 3 working days *
    SKU: WKC406C
    Quantity Discount
    Quantity Price
    1 - 4 £12.67
    5+ £12.16
    10+ £11.85
    £12.67
    WCED WKC206D 10kA 2 Pole MCB Curve D 6A

    WCED WKC206D 10kA 2 Pole MCB Curve D 6A
    Delivery usually within 1 - 3 working days *
    SKU: WKC206D
    Quantity Discount
    Quantity Price
    1 - 4 £0.00
    5+ £0.00
    10+ £0.00
    Read more
    WCED WKC406D 10kA 4 Pole MCB Curve D 6A

    WCED WKC406D 10kA 4 Pole MCB Curve D 6A
    Delivery usually within 1 - 3 working days *
    SKU: WKC406D
    Quantity Discount
    Quantity Price
    1 - 4 £12.67
    5+ £12.16
    10+ £11.85
    £12.67
    WCED WKC410B 10kA 4 Pole MCB Curve B 10A

    WCED WKC410B 10kA 4 Pole MCB Curve B 10A
    Delivery usually within 1 - 3 working days *
    SKU: WKC410B
    Quantity Discount
    Quantity Price
    1 - 4 £12.67
    5+ £12.16
    10+ £11.85
    £12.67
    WCED WKC416B 10kA 4 Pole MCB Curve B 16A

    WCED WKC416B 10kA 4 Pole MCB Curve B 16A
    Delivery usually within 1 - 3 working days *
    SKU: WKC416B
    Quantity Discount
    Quantity Price
    1 - 4 £12.67
    5+ £12.16
    10+ £11.85
    £12.67

    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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