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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1883)

    Consumer Units

    Consumer Units (469)

    Circuit Protection Devices

    Circuit Protection Devices (1052)

    EV Circuit Protection

    EV Circuit Protection (105)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (125)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (93)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (175)

    Switch Gear

    Switch Gear (266)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Showing 1881–1900 of 2331 results

    Niglon Protego 31 Way Main Switch SPD Consumer Unit

    Niglon Protego 31 Way Main Switch SPD Consumer Unit
    Delivery usually within 1 - 3 working days*
    SKU: PCU3632M/SPD
    £166.71
    Sangamo 11002 Din Rail 1 Module 24hr Time Switch

    Sangamo 11002 Din Rail 1 Module 24hr Time Switch
    Delivery usually within 1 - 3 working days*
    SKU: 11002
    £49.29
    Sangamo 143602 Module Enclosure

    Sangamo 143602 Module Enclosure
    Delivery usually within 1 - 3 working days*
    SKU: 143602
    £11.95
    Sangamo 143603 Module Enclosure

    Sangamo 143603 Module Enclosure
    Delivery usually within 1 - 3 working days*
    SKU: 143603
    £16.70
    Sangamo 25162 Din Rail 2 Module 1Ch Yearly Time Switch

    Sangamo 25162 Din Rail 2 Module 1Ch Yearly Time Switch
    Delivery usually within 1 - 3 working days*
    SKU: 25162
    £228.99
    Sangamo 25193 Virgin Programming Data Key

    Sangamo 25193 Virgin Programming Data Key
    Delivery usually within 1 - 3 working days*
    SKU: 25193
    £23.25
    Sangamo 26404 Din Rail 4 Module 4Ch 7 Day Time Switch

    Sangamo 26404 Din Rail 4 Module 4Ch 7 Day Time Switch
    Delivery usually within 1 - 3 working days*
    SKU: 26404
    £293.14
    Sangamo 71101 Din Rail Astro 1Mod 1Ch 7Day Time Switch

    Sangamo 71101 Din Rail Astro 1Mod 1Ch 7Day Time Switch
    Delivery usually within 1 - 3 working days*
    SKU: 71101
    £105.39
    Sangamo 71111 Din Rail 1 Module 1Ch 7 Day Time Switch

    Sangamo 71111 Din Rail 1 Module 1Ch 7 Day Time Switch
    Delivery usually within 1 - 3 working days*
    SKU: 71111
    £81.04
    Sangamo 72101 Din Rail Astro 2Mod 1Ch 7Day Time Switch

    Sangamo 72101 Din Rail Astro 2Mod 1Ch 7Day Time Switch
    Delivery usually within 1 - 3 working days*
    SKU: 72101
    £91.91
    Sangamo 72102NFC Nfc Din Astro 1Mod 1Ch 24hr Time Switch

    Sangamo 72102NFC Nfc Din Astro 1Mod 1Ch 24hr Time Switch
    Delivery usually within 1 - 3 working days*
    SKU: 72102NFC
    £88.48
    Sangamo 72103NFC Nfc Din Astro 2Mod 1Ch 7Day Time Switch

    Sangamo 72103NFC Nfc Din Astro 2Mod 1Ch 7Day Time Switch
    Delivery usually within 1 - 3 working days*
    SKU: 72103NFC
    £97.42
    Sangamo 72112 Din Rail 2 Module 1Ch 7 Day Time Switch

    Sangamo 72112 Din Rail 2 Module 1Ch 7 Day Time Switch
    Delivery usually within 1 - 3 working days*
    SKU: 72112
    £86.39
    Sangamo 72113NFC Nfc Din Rail 2Mod 1Ch 7Day Time Switch

    Sangamo 72113NFC Nfc Din Rail 2Mod 1Ch 7Day Time Switch
    Delivery usually within 1 - 3 working days*
    SKU: 72113NFC
    £92.45
    Sangamo 72201 Din Rail Astro 2Mod 2Ch 7Day Time Switch

    Sangamo 72201 Din Rail Astro 2Mod 2Ch 7Day Time Switch
    Delivery usually within 1 - 3 working days*
    SKU: 72201
    £111.52
    Sangamo 72203NFC Nfc Din Astro 2Mod 2Ch 7Day Time Switch

    Sangamo 72203NFC Nfc Din Astro 2Mod 2Ch 7Day Time Switch
    Delivery usually within 1 - 3 working days*
    SKU: 72203NFC
    £117.58
    Sangamo 72212 Din Rail 2 Module 2Ch 7 Day Time Switch

    Sangamo 72212 Din Rail 2 Module 2Ch 7 Day Time Switch
    Delivery usually within 1 - 3 working days*
    SKU: 72212
    £101.11
    Sangamo SC2813PRO4 Astro Bluetooth 2 Module 1 Channel 7 Day Time Switch

    Sangamo SC2813PRO4 Astro Bluetooth 2 Module 1 Channel 7 Day Time Switch
    Delivery usually within 1 - 3 working days*
    SKU: SC2813PRO4
    £112.65
    Sangamo SC2823PRO4 Astro Bluetooth 2 Module 2 Channel 7 Day Time Switch

    Sangamo SC2823PRO4 Astro Bluetooth 2 Module 2 Channel 7 Day Time Switch
    Delivery usually within 1 - 3 working days*
    SKU: SC2823PRO4
    £132.79
    Sangamo SC4421PRO4 Panel 2 Channel 7 Day Time Switch with Bluetooth

    Sangamo SC4421PRO4 Panel 2 Channel 7 Day Time Switch with Bluetooth
    Delivery usually within 1 - 3 working days*
    SKU: SC4421PRO4
    £84.62

    Showing 1881–1900 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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