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    Circuit Protection

    Circuit Protection by Brand

    Circuit Protection by Brand (1893)

    Consumer Units

    Consumer Units (452)

    Circuit Protection Devices

    Circuit Protection Devices (1068)

    EV Circuit Protection

    EV Circuit Protection (107)

    SPD Surge Protection Devices

    SPD Surge Protection Devices (121)

    Three Phase Distribution Boards

    Three Phase Distribution Boards (91)

    Switch Fuses - Isolators

    Switch Fuses - Isolators (173)

    Switch Gear

    Switch Gear (261)

    Street Lighting Circuit Protection

    Street Lighting Circuit Protection (13)

    FuseBox MT10B501 FuseBox MT10B501 50A Single Pole 10kA B Curve MCB

    FuseBox MT10B501 50A Single Pole 10kA B Curve MCB
    15 in stock
    More available within 2 - 3 working days *
    SKU: MT10B501
    £3.34
    FuseBox MT10B631 FuseBox MT10B631 63A Single Pole 10kA B Curve MCB

    FuseBox MT10B631 63A Single Pole 10kA B Curve MCB
    Delivery usually within 2 - 3 working days *
    SKU: MT10B631
    £3.34
    Live Electrical DCM240C 2 Pole C Curve 6kA 40A 600V DC MCB

    Live Electrical DCM240C 2 Pole C Curve 6kA 40A 600V DC MCB
    Delivery usually within 1 - 2 working days *
    SKU: DCM240C
    £9.50
    FuseBox Bi-Directional Mini RCBO 06A C Curve 30mA Type A - Compact and Reliable Protection

    FuseBox Bi-Directional Mini RCBO 40A C Curve 30mA Type A
    30 in stock
    More available within 1 - 3 working days *
    SKU: RTAMC40BD
    £13.94
    Live Electrical CB206C 2 Pole MCB 6A C Curve

    Live Electrical CB206C 2 Pole 10kA MCB 6A C Curve
    Delivery usually within 1 - 3 working days *
    SKU: CB206C
    £5.89
    Live Electrical SA140/1P+N 2 Pole Type 2 SPD Surge Protection Device

    Live Electrical SA140/1P+N 2 Pole Type 2 SPD Surge Protection Device
    Delivery usually within 1 - 3 working days *
    SKU: SA140/1P+N
    £14.94
    WCED WKC110B 10kA 1 Pole MCB Curve B 10A

    WCED WKC110B 10kA 1 Pole MCB Curve B 10A
    10 in stock
    More available within 1 - 3 working days *
    SKU: WKC110B
    Quantity Discount
    Quantity Price
    1 - 4 £3.28
    5+ £3.15
    10+ £3.07
    £3.28
    Niglon RCBO1-20/30SAX2 20A RCBO – Type A, Bi-Directional, Curve B, 30mA, Compact 18mm, 6kA.

    Niglon RCBO1-20/30SAX2 20A Curve B 30mA Bi-Directional A Type RCBO
    20 in stock
    More available within 1 - 3 working days *
    SKU: RCBO1-20/30SAX2
    £12.78
    Live Electrical TPNH03-100 3 Way Horizontal TP&N Consumer Unit – 100A 4 Pole Main Switch, Compact 395mm Wide Three-Phase Distribution BoardLive Electrical TPNH03-100 – Compact 3 Way Horizontal TP&N Distribution Board with 100A 4 Pole Main Switch, 395mm wide for low-profile three-phase installations

    Live Electrical TPNH03-100 3 Way Horizontal TP&N Distribution Board – 100A 4 Pole Main Switch
    4 in stock
    More available within 1 - 3 working days *
    SKU: TPNH03-100
    £52.65
    Garo DCBO2MC40 40A 2 Pole RCBO with 30mA RCD – Compact 2-module device with C curve tripping for overload, short-circuit,, making it ideal for 40A EV charger installations.

    Garo DCBO2MC40 30mA C Curve 40A Double Pole RCBO
    6 in stock
    More available within 1 - 3 working days *
    SKU: DCBO2MC40
    £20.79
    FuseBox BB1003P 100A 3-Pole Insulated Busbar – 1 metre copper busbar for safe, consistent multi-pole connections in professional electrical installations.

    Fusebox BB1003P 100A 3P Insulated Busbar – 1 meter
    4 in stock
    More available within 1 - 3 working days *
    SKU: BB1003P
    £40.95
    FuseBox F3011MZ Consumer Unit Kit with 8 RCBOs, integrated SPD, and 100A main switch – boxed kit, not pre-installed.

    FuseBox F3011MZ Bi-Directional SPD Consumer Unit Kit – with 8 RCBOs
    In Stock
    SKU: F3011MZ/BD/KIT/8
    £175.96
    Live Electrical RKA106C-030 10kA Type A C Curve Compact 6A Bi-Directional RCBO

    Live Electrical RKA106C-030 10kA Type A C Curve Compact 6A Bi-Directional RCBO
    5 in stock
    More available within 1 - 3 working days *
    SKU: RKA106C-030
    £11.59
    Garo DCBOGRC16 30mA Type A Compact RCBO 16A C Curve

    Garo DCBOGRC16 30mA Type A Compact RCBO 16A C Curve
    Delivery usually within 1 - 3 working days *
    SKU: DCBOGRC16
    £10.99
    Garo SIAC432IP65 32A 4P IP65 Rotary Isolator Switch

    Garo | SIAC432IP65 | 32A 4P IP65 | Rotary Isolator Switch
    2 in stock
    More available within 1 - 3 working days *
    SKU: SIAC432IP65
    £14.50
    Hager SBN290 100A Double Pole Isolator

    Hager SBN290 100A Double Pole Isolator
    2 in stock
    More available within 1 - 3 working days *
    SKU: SBN290
    £36.89
    Live Electrical CB340D Live Electrical CB340D 3 Pole 40A D Curve 10kA MCB 1

    Live Electrical CB340D 3 Pole 40A D Curve 10kA MCB
    19 in stock
    More available within 1 - 2 working days *
    SKU: CB340D
    £8.37
    Live Electrical CB140D Live Electrical CB140D 40A Curve D 10kA MCB 1

    Live Electrical CB140D 40A Curve D 10kA MCB
    16 in stock
    More available within 1 - 2 working days *
    SKU: CB140D
    £2.95
    Hager NCN120A Hager NCN120A Single Pole Type C MCB 20A 10kA

    Hager NCN120A Single Pole Type C MCB 20A 10kA
    3 in stock
    More available within 1 - 3 working days *
    SKU: NCN120A
    £8.94
    Live Electrical MAC4P20 Live Electrical MAC4P20 20AModular AC Contactor 4 Pole NO 1

    Live Electrical MAC4P20 – 4 Pole 20A 4NO 230V AC Modular Contactor
    6 in stock
    More available within 1 - 2 working days *
    SKU: MAC4P20
    £12.99

    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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