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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1879)

    Consumer Units

    Consumer Units (448)

    Circuit Protection Devices

    Circuit Protection Devices (1058)

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    EV Circuit Protection (107)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (121)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (90)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (173)

    Switch Gear

    Switch Gear (260)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Switchtec ESGU-40AT1661P Garage Consumer Unit

    Switchtec | ESGU-40AT1661P | Garage Consumer Unit | 40A Type A RCD | 16A + 6A MCBs
    Delivery usually within 1 - 3 working days *
    SKU: ESGU-40AT1661P
    £21.99
    Switchtec ESSU-63AT501P Shower Consumer Unit

    Switchtec | ESSU-63AT501P | Shower Consumer Unit | 63A Type A RCD | 50A MCB
    Delivery usually within 1 - 3 working days *
    SKU: ESSU-63AT501P
    £20.99
    Switchtec DDC50S-21Y-1200 50kA 1200V DC Type 2 PV SPD

    Switchtec | DDC50S-21Y-1200 | Citel | 50kA 1200V DC Type 2 Surge Protection Device For Energy Storage & EV Charging
    Delivery usually within 1 - 3 working days *
    SKU: DDC50S-21Y-1200
    £127.04
    SPV340T 3-Pole Type 1+2 DC Surge Protection DeviceLive Electrical | SPV340T | 3-Pole | Type 1+2 DC Surge Device | For Circuits up to 1000V

    Live Electrical | SPV340T | 3-Pole | Type 1+2 DC Surge Device | For Circuits up to 1000V
    Out of stock
    This item cannot be back-ordered
    SKU: SPV340T
    £73.12
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    Niglon TR2MID Trojan Type Isolator

    Niglon | TR2MID | Trojan Type Isolator | 32A Double Pole | Street Lighting
    Delivery usually within 1 - 3 working days *
    SKU: TR2MID
    £36.61
    Niglon | TSLED | Zhaga LED Photocell | IP66 | Street Lighting Control

    Niglon | TSLED | Zhaga LED Photocell | IP66 | Street Lighting Control
    Delivery usually within 1 - 3 working days *
    SKU: TSLED
    £55.57
    Niglon T060G26 Titan Type Cut-Out

    Niglon | T060G26 | Titan Type Cut-Out | Double Pole | Street Lighting
    Delivery usually within 1 - 3 working days *
    SKU: T060G26
    £35.63
    FuseBox 32A 3P+N IP65 Metal Fused Switch

    FuseBox | TPNFS032 | 3P+N | IP65 Metal Fused Switch | 32A
    Out of stock
    This item cannot be back-ordered
    SKU: TPNFS032
    £93.90
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    FuseBox 63A 3P+N IP65 Metal Fused Switch

    FuseBox | TPNFS063 | 3P+N | IP65 Metal Fused Switch | 63A
    Out of stock
    This item cannot be back-ordered
    SKU: TPNFS063
    £93.90
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    FuseBox 100A 3P+N IP65 Metal Fused Switch

    FuseBox | TPNFS100 | 3P+N | IP65 Metal Fused Switch | 100A
    Out of stock
    This item cannot be back-ordered
    SKU: TPNFS100
    £117.48
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    FuseBox 32A 3P+N IP65 Metal Isolator Switch

    FuseBox | TPNI032 | 3P+N | IP65 | Metal Isolator Switch | 32A
    Delivery usually within 1 - 3 working days *
    SKU: TPNI032
    £88.72
    FuseBox 63A 3P+N IP65 Metal Isolator Switch

    FuseBox | TPNI063 | 3P+N | IP65 | Metal Isolator Switch | 63A
    Delivery usually within 1 - 3 working days *
    SKU: TPNI063
    £112.04
    FuseBox 80A 3P+N IP65 Metal Isolator Switch

    FuseBox | TPNI080 | 3P+N | IP65 | Metal Isolator Switch | 80A
    Delivery usually within 1 - 3 working days *
    SKU: TPNI080
    £112.04
    FuseBox 100A 3P+N IP65 Metal Isolator Switch

    FuseBox | TPNI100 | 3P+N | IP65 | Metal Isolator Switch | 100A
    Delivery usually within 1 - 3 working days *
    SKU: TPNI100
    £117.29
    FuseBox 125A 3P+N IP65 Metal Isolator Switch

    FuseBox | TPNI125 | 3P+N | IP65 | Metal Isolator Switch | 125A
    Delivery usually within 1 - 3 working days *
    SKU: TPNI125
    £140.66
    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

    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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