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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1883)

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    Consumer Units (469)

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    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Showing 1521–1540 of 2331 results

    WCED WMC110C WCED Miniature Circuit Breaker 6kA Curve C - 10A 1

    WCED Miniature Circuit Breaker 6kA Curve C – 10A
    9 In Stock
    More available within 1 - 3 working days*
    SKU: WMC110C
    £1.53
    FuseBox F2017DA Fusebox F2017DA 17 Way Dual RCD Consumer Unit

    Fusebox F2017DA 17 Way Dual RCD Consumer Unit
    Out of Stock
    This item cannot be back-ordered
    SKU: F2017DA
    £105.95
    Read more
    Hager ADA140U RCBO 10kA B-40A 30mA Type A

    Hager ADA140U RCBO 10kA B-40A 30mA Type A
    1 In Stock
    This item cannot be back-ordered
    SKU: ADA140U
    £30.99
    WCED WME18100TR/SP WCED Metal Dual 100A Type A RCD SPD Consumer Unit – 10 Usable Way

    WCED Metal Dual 100A Type A RCD SPD Consumer Unit – 10 Usable Way
    1 In Stock
    More available within 1 - 3 working days*
    SKU: WME18100TR/SP
    £91.63
    WCED WME22100TR WCED Metal Dual 100A Type A RCD Consumer Unit – 16 Usable Way

    WCED Metal Dual 100A Type A RCD Consumer Unit – 16 Usable Way
    Delivery usually within 1 - 3 working days*
    SKU: WME22100TR
    £84.28
    Axiom TCF211 Axiom Auxiliary Contact Block 1N/O 1N/C - Front

    Axiom TCF211 Auxiliary Contact Block
    1 In Stock
    This item cannot be back-ordered
    SKU: TCF211
    £3.95
    Axiom TCL1 Axiom Mechanical Interlock

    Axiom TCL1 Mechanical Interlock
    2 In Stock
    This item cannot be back-ordered
    SKU: TCL1
    £5.07
    Deligo Photovoltaic (Solar) DC Rotary Isolator Switch - 25A

    Deligo Photovoltaic (Solar) DC Rotary Isolator Switch – 25A
    1 In Stock
    This item cannot be back-ordered
    SKU: DSRI25
    £24.58 £19.99
    Hager ARM906U Hager ARM906U AFD with MCB 6A Curve B

    Hager ARM906U AFD with MCB 6A Curve B
    Delivery usually within 3 - 4 working days*
    SKU: ARM906U
    £81.25
    Hager ARM910U Hager ARM910U AFD with MCB 10A Curve B

    Hager ARM910U AFD with MCB 10A Curve B
    Delivery usually within 3 - 4 working days*
    SKU: ARM910U
    £81.25
    Hager ARM916U Hager ARM916U AFD with MCB 16A Curve B

    Hager ARM916U AFD with MCB 16A Curve B
    Delivery usually within 3 - 4 working days*
    SKU: ARM916U
    £81.25
    Hager ARM920U Hager ARM920U AFD with MCB 20A Curve B

    Hager ARM920U AFD with MCB 20A Curve B
    Delivery usually within 3 - 4 working days*
    SKU: ARM920U
    £81.25
    Hager ARM925U Hager ARM925U AFD with MCB 25A Curve B

    Hager ARM925U AFD with MCB 25A Curve B
    Delivery usually within 3 - 4 working days*
    SKU: ARM925U
    £81.25
    Hager ARM932U Hager ARM932U AFD with MCB 32A Curve B

    Hager ARM932U AFD with MCB 32A Curve B
    Delivery usually within 3 - 4 working days*
    SKU: ARM932U
    £81.25
    Hager ARR906U Hager ARR906U AFD with 30mA RCBO 6A Curve B Type A

    Hager ARR906U AFD with 30mA RCBO 6A Curve B Type A
    Delivery usually within 3 - 4 working days*
    SKU: ARR906U
    £92.96
    Hager ARR910U Hager ARR910U AFD with 30mA RCBO 10A Curve B Type A

    Hager ARR910U AFD with 30mA RCBO 10A Curve B Type A
    Delivery usually within 3 - 4 working days*
    SKU: ARR910U
    £92.96
    Hager ARR925U Hager ARR925U AFD with 30mA RCBO 25A Curve B Type A

    Hager ARR925U AFD with 30mA RCBO 25A Curve B Type A
    Delivery usually within 3 - 4 working days*
    SKU: ARR925U
    £92.96
    Europa ECPF08 Europa Phase Failure Relay - 10A 220-460V AC Over / Under Voltage Phase Failure

    Europa Phase Failure Relay – 10A 220-460V AC
    2 In Stock
    This item cannot be back-ordered
    SKU: ECPF08
    £22.06
    Wago 788-515 Wago 788 Relay Module with 2 Changeover Contacts - 115V AC 8A 2.5 mm² Grey 1

    Wago 788-515 Relay Module with 2 Changeover Contacts – 115V AC 8A 2.5mm² Grey
    Delivery usually within 3 - 5 working days*
    SKU: 788-515
    £10.07
    Wago 288-437 Wago 288 Relay Module with Driven Contacts - 2 Changeover Contacts - 24V DC 5A 2.5 mm²

    Wago 288-437 Relay Module with Driven Contacts – 2 Changeover Contacts – 24V DC 5A 2.5mm²
    Delivery usually within 3 - 5 working days*
    SKU: 288-437
    £64.14

    Showing 1521–1540 of 2331 results

    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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