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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)

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    EV Circuit Protection (105)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (125)

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    Three Phase Distribution Boards (93)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (175)

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    Switch Gear (266)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    Showing 381–400 of 2331 results

    FuseBox KWH1M45 FuseBox KWH1M45 Single Phase kWh Energy Meter 1

    FuseBox KWH1M45 Single Phase kWh Energy Meter
    6 In Stock
    More available within 2 - 3 working days*
    SKU: KWH1M45
    £17.50
    Live Electrical LSMC8M-SP Live Electrical 5 Way SPD Metal Consumer Unit 1

    Live Electrical 5 Way SPD Metal Consumer Unit
    13 In Stock
    More available within 1 - 2 working days*
    SKU: LSMC8M-SP
    £40.91
    Live Electrical DCM263C 2 Pole C Curve 6kA 63A 600V DC MCB

    Live Electrical DCM263C 2 Pole C Curve 6kA 63A 600V DC MCB
    Delivery usually within 1 - 2 working days*
    SKU: DCM263C
    £9.50
    WCED WMTP36-R40CSP WCED 3-Phase 36 Ways PME Protection Board 1WCED WMTP36-R40CSP WCED 3-Phase 36 Ways PME Protection Board 3

    3-Phase PME / PEN Fault Detection Consumer Unit for 3 x 3 Phase EV Charges
    Out of Stock
    This item cannot be back-ordered
    SKU: WMTP36-R40CSP
    £274.89
    Read more
    Hager KF81A Connection Terminal 1P Prong 1x25mm² - Pack of 1

    Hager KF81A Connection Terminal 1P Prong 1x25mm² – Pack of 1
    1 In Stock
    More available within 3 - 4 working days*
    SKU: KF81A
    £4.67
    Garo GCS8EV40PME IP65 EV Consumer Unit with B40A Type A RCBOGaro GCS8EV40PME IP65 EV Consumer Unit with B40A Type A RCBO, PEN Fault Detection & Surge Protection

    Garo GCS8EV40PME IP65 EV Consumer Unit with B40A Type A RCBO, PEN Fault Detection & Surge Protection
    7 In Stock
    More available within 1 - 3 working days*
    SKU: GCS8EV40PME
    £115.00
    TPNH03-100S Horizontal TP&N SPD Distribution BoardTPNH03-100S 2 Way Horizontal TP&N Distribution Board – 100A 4 Pole Main Switch with Type 2 SPD

    Live Electrical | TPNH03-100S | 2 Way Horizontal TP&N Distribution Board | 100A 4 Pole Main Switch | Type 2 SPD
    6 In Stock
    More available within 1 - 3 working days*
    SKU: TPNH03-100S
    £92.57
    Garo GCS8EV40CPME IP65 EV Consumer Unit with C40A Type A RCBO, PEN Fault Detection & Surge ProtectionGaro GCS8EV40CPME – EV Consumer Unit with PEN Fault Detection, Surge Protection and 40A Curve C Type A RCBO

    Garo GCS8EV40CPME IP65 EV Consumer Unit with C40A Type A RCBO, PEN Fault Detection & Surge Protection
    13 In Stock
    More available within 1 - 3 working days*
    SKU: GCS8EV40CPME
    £115.00
    PJW Meters SW150-12MM-STEEL SW100-STEEL & SW100-12MM-STEEL Sealing Ferrules with Galvanised Wire

    SW100-STEEL & SW100-12MM-STEEL Sealing Ferrules with Galvanised Wire
    Delivery usually within 1 - 3 working days*
    SKU: SW150-12MM-STEEL
    £21.00
    Live Electrical RKA132C-030 10kA Type A C Curve Compact 32A Bi-Directional RCBO

    Live Electrical | RKA132C-030 | 1P+N | Bi-Directional RCBO | Type A | Curve C | 10kA | 30mA | 32A
    10 In Stock
    More available within 1 - 3 working days*
    SKU: RKA132C-030
    £11.59
    Live Electrical MS4100 4 Pole 100A Main Switch

    Live Electrical MS4100 4 Pole 100A Main Switch
    7 In Stock
    More available within 1 - 2 working days*
    SKU: MS4100
    £9.07
    WCED WMC150B WCED Miniature Circuit Breaker 6kA Curve B - 50A 1

    WCED Miniature Circuit Breaker 6kA Curve B – 50A
    Delivery usually within 1 - 3 working days*
    SKU: WMC150B
    £1.37
    Fusebox TPN11FBX

    Fusebox TPN11FBX 11 Way 125A Three Phase Board with SPD
    3 In Stock
    More available within 2 - 3 working days*
    SKU: TPN11FBX
    £233.50
    FuseBox MT10B061 FuseBox MT10B061 6A Single Pole 10kA B Curve MCB

    FuseBox MT10B061 6A Single Pole 10kA B Curve MCB
    9 In Stock
    More available within 2 - 3 working days*
    SKU: MT10B061
    £3.22
    FuseBox MT10B161 FuseBox MT10B161 16A Single Pole 10kA B Curve MCB

    FuseBox MT10B161 16A Single Pole 10kA B Curve MCB
    29 In Stock
    More available within 2 - 3 working days*
    SKU: MT10B161
    £3.22
    FuseBox RCBO

    FuseBox RTA064530B 30mA Curve B 45A Type A RCBO
    88 In Stock
    More available within 2 - 3 working days*
    SKU: RTA064530B
    £9.99
    WCED Consumer Unit Kit with SPD and 5 RCBOs

    WCED Consumer Unit Kit with SPD and 5 RCBOs
    Out of Stock
    This item cannot be back-ordered
    SKU: WME10/SP/5RCBO
    £79.33
    Read more
    FuseBox RTAMB10BD Bi-Directional Mini RCBO 10A B Curve 30mA Type A

    FuseBox RTAMB10BD Bi-Directional Mini RCBO 10A B Curve 30mA Type A
    55 In Stock
    More available within 1 - 3 working days*
    SKU: RTAMB10BD
    £14.34
    TPNH02-100 Horizontal TP&N Distribution BoardLive Electrical TPNH02-100 2 Way Horizontal TP&N Distribution Board – 100A 4 Pole Main Switch 2

    Live Electrical | TPNH02-100 | 2 Way Horizontal TP&N Distribution Board | 100A 4 Pole Main Switch
    7 In Stock
    More available within 1 - 3 working days*
    SKU: TPNH02-100
    £45.53
    FuseBox F3021MZ SPD Consumer UnitAngled view of the FuseBox F2021MX consumer unit with no front cover, showing internal layout

    FuseBox F3021MZ 21 Way RCBO Consumer Unit With SPD
    11 In Stock
    More available within 2 - 3 working days*
    SKU: F3021MZ
    Quantity Discount
    Quantity Price
    1 - 3 £67.95
    4+ £65.57
    £67.95

    Showing 381–400 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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