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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1912)

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    Consumer Units (461)

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    Circuit Protection Devices (1069)

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    EV Circuit Protection (107)

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    SPD Surge Protection Devices (127)

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    Three Phase Distribution Boards (93)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (175)

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    Switch Gear (267)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Garo DCBOGRC25 30mA Type A Compact RCBO 25A C Curve

    Garo DCBOGRC25 30mA Type A Compact RCBO 25A C Curve
    5 in stock
    More available within 1 - 3 working days *
    SKU: DCBOGRC25
    £10.99
    Garo DCBOGRC32 30mA Type A Compact RCBO 32A C Curve

    Garo DCBOGRC32 30mA Type A Compact RCBO 32A C Curve
    9 in stock
    More available within 1 - 3 working days *
    SKU: DCBOGRC32
    £10.99
    Garo DST2-275-2 2 Pole 1 Module Class 11 Type 2 SPD 275V 20KA

    Garo DST2-275-2 2 Pole 1 Module Class 11 Type 2 SPD 275V 20KA
    4 in stock
    More available within 1 - 3 working days *
    SKU: DST2-275-2
    £14.77
    Garo GCUT336 36 Module IP65 Triple Row Plastic Enclosure

    Garo GCUT336 36 Module IP65 Triple Row Plastic Enclosure
    Delivery usually within 1 - 3 working days *
    SKU: GCUT336
    £61.45
    Garo 100A Metal Clad Isolator

    Garo GSI4100 Metal Clad IP65 100A 4 Pole Isolator
    Delivery usually within 1 - 3 working days *
    SKU: GSI4100
    £134.84
    Garo Metal Clad IP55 Isolator

    Garo GCO4400IP55M 400A 4 Pole IP55 Changeover Switch
    Delivery usually within 1 - 3 working days *
    SKU: GCO4400IP55M
    £859.99
    Garo 32A 3P Metalclad Switch Fuse

    GSF332N 32A 3P+N IP65 Metalclad Switch Fuse
    Out of stock
    This item cannot be back-ordered
    SKU: GSF332N
    £73.64
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    Garo GM14-3NPS – Metal 14 Module Non-Priority Electric Shower Board

    Garo GM14-3NPS – Metal 12 Module Non-Priority Electric Shower Board
    Delivery usually within 1 - 3 working days *
    SKU: GM14-3NPS
    £289.98
    Garo 4 Pole 24A NO AC-DC Contactor

    Garo GK24-4NO – 4 Pole 24A 4NO 230V AC / 220V DC Modular Contactor
    4 in stock
    More available within 1 - 3 working days *
    SKU: GK24-4NO
    £18.97
    Garo 2 Pole 32A NO AC-DC Contactor

    Garo GK32-2NO – 2 Pole 32A 2NO 230V AC / 220V DC Modular Contactor
    4 in stock
    More available within 1 - 3 working days *
    SKU: GK32-2NO
    £21.89
    FuseBox R3PN10B4030BD Curve B 3 Phase 40A RCBOFuseBox 3 Phase RCBO - Front

    FuseBox R3PN10B4030BD 40A 3P+N Curve B Bi-Directional RCBO
    4 in stock
    More available within 1 - 3 working days *
    SKU: R3PN10B4030BD
    £64.72
    FuseBox R3PN10C3230BD Curve C 3 Phase 32A RCBOFuseBox 3 Phase RCBO - Front

    FuseBox R3PN10C3230BD 32A 3P+N Curve C Bi-Directional RCBO
    13 in stock
    More available within 1 - 3 working days *
    SKU: R3PN10C3230BD
    £64.72
    Doepke 63A 30mA 2 Pole Type B-HP Heat Pump RCCBDoepke DFS2-063 63A 30mA 2 Pole Type B-HP RCCB for Heat Pumps

    Doepke DFS2-063 63A 30mA 2 Pole Type B-HP RCCB for Heat Pumps
    Delivery usually within 1 - 3 working days *
    SKU: DFS2-063-2/0.03-HP
    £208.00
    Switchtec CURDK2 20 Way Consumer Unit Relocation Kit

    Switchtec | CURDK2 | 20 Way Consumer Unit Relocation Kit | 60 DIN Screw Terminals | 2.5–10mm
    1 in stock
    More available within 1 - 3 working days *
    SKU: CURDK2
    £85.43
    Switchtec SMC-2520-24VDC 25A Contactor

    Switchtec SMC-2520-24VDC 25A Contactor – 2NO 24V DC Coil
    6 in stock
    More available within 1 - 3 working days *
    SKU: SMC-2520-24VDC
    £14.56
    Switchtec SMC-6320-240 63A Contactor

    Switchtec SMC-6320-240 63A Contactor – 2NO 240V AC Coil
    4 in stock
    More available within 1 - 3 working days *
    SKU: SMC-6320-240
    £21.20
    Garo SIAC420IP65 20A 4 Pole IP65 Rotary Isolator Switch

    Garo | SIAC420IP65 | 20A 4P IP65 | Rotary Isolator Switch
    21 in stock
    More available within 1 - 3 working days *
    SKU: SIAC420IP65
    £12.50
    Garo SIAC463IP65 63A 4P IP65 Rotary Isolator Switch

    Garo | SIAC463IP65 | 63A 4P IP65 | Rotary Isolator Switch
    9 in stock
    More available within 1 - 3 working days *
    SKU: SIAC463IP65
    £19.77
    Garo SIAC480IP65 80A 4P IP65 Rotary Isolator Switch

    Garo | SIAC480IP65 | 80A 4P | IP65 Rotary Isolator Switch
    4 in stock
    More available within 1 - 3 working days *
    SKU: SIAC480IP65
    £31.35
    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

    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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