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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 601–620 of 2331 results

    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
    17 In Stock
    More available within 1 - 3 working days*
    SKU: RCBO1-20/30SAX2
    £12.78
    Garo GCUT112 12 Module IP65 Plastic Enclosure

    Garo GCUT112 Empty 12 Module IP65 Enclosure
    Delivery usually within 1 - 3 working days*
    SKU: GCUT112
    £23.19
    FuseBox MAFDD063230B 32A 30mA Mini AFDDFuseBox | MAFDD063230B | 6kA | 30mA | 32A Mini AFDD

    FuseBox | MAFDD063230B | 6kA | 30mA | 32A Mini AFDD
    Delivery usually within 1 - 3 working days*
    SKU: MAFDD063230B
    £79.99
    Live Electrical CB110D Live Electrical CB110D 10A Curve D 10kA MCB 1

    Live Electrical | CB110D | 10kA | Curve D | 1 Pole Bi-Directional MCB | 10A
    13 In Stock
    More available within 1 - 2 working days*
    SKU: CB110D
    £2.95
    Hager VM05GS Hager Grommet Strip - 5 meters

    Hager Grommet Strip – 5 meters
    10 In Stock
    This item cannot be back-ordered
    SKU: VM05GS
    £5.55
    FuseBox AFSS18 Fusebox AFSS18 Surface Stand Off Plate

    Fusebox AFSS18 Surface Stand Off Plate
    4 In Stock
    More available within 2 - 3 working days*
    SKU: AFSS18
    £17.99
    WCED 4 Pole 230/400V 32A NO Normally Open AC Modular Contactor

    WCED WAC4P32 – 4 Pole 32A 4NO 230V AC Modular Contactor
    Delivery usually within 1 - 3 working days*
    SKU: WAC4P32
    Quantity Discount
    Quantity Price
    1 - 2 £14.16
    3+ £13.81
    5+ £13.45
    10+ £13.10
    20+ £12.74
    £14.16
    Hager VML112SPDRK 12 Way Main Switch SPD Consumer Unit with Round Knockouts

    Hager VML112SPDRK 12 Way Main Switch SPD Consumer Unit with Round Knockouts
    1 In Stock
    This item cannot be back-ordered
    SKU: VML112SPDRK
    £84.95
    WCED WPEPME12/LB PME Fault Detection Unit IP65 with Load Management 12 Mod c/w C40 RCBO Relays and SPD 1

    PME / PEN Fault Detection Unit IP65 with Load Management 12 Mod c/w C40 RCBO Relays and SPD
    Delivery usually within 1 - 3 working days*
    SKU: WPEPME12/LB
    Quantity Discount
    Quantity Price
    1 £130.71
    2+ £126.79
    3+ £124.17
    £130.71
    FuseBox MT10B501 FuseBox MT10B501 50A Single Pole 10kA B Curve MCB

    FuseBox MT10B501 50A Single Pole 10kA B Curve MCB
    14 In Stock
    More available within 2 - 3 working days*
    SKU: MT10B501
    £3.34
    FuseBox MT10C253 FuseBox MT10C253 25A Triple Pole 10kA C Curve MCB

    FuseBox MT10C253 25A Triple Pole 10kA C Curve MCB
    1 In Stock
    More available within 2 - 3 working days*
    SKU: MT10C253
    £9.51
    Live Electrical RDA4100-100 4 Pole Type A 100A 100mA RCD

    Live Electrical | RDA4100-100 | 4 Pole | Bi-Directional Type A RCD | 6kA | 100mA | 100A
    Delivery usually within 1 - 2 working days*
    SKU: RDA4100-100
    £20.99
    Hager ADC916R C16A Bidirectional RCBOHager | ADC916R | 1P+N | 6kA | 30mA | C Curve | Type A Bidirectional RCBO | 16A

    Hager | ADC916R | 1P+N | 6kA | 30mA | C Curve | Type A Bidirectional RCBO | 16A
    Delivery usually within 3 - 4 working days*
    SKU: ADC916R
    £19.70
    Garo SIDC432IP65 32A 4 Pole DC Rotary Isolator

    Garo SIDC432IP65 32A 4 Pole DC Rotary Isolator
    4 In Stock
    More available within 1 - 3 working days*
    SKU: SIDC432IP65
    Quantity Discount
    Quantity Price
    1 - 2 £18.95
    3+ £18.57
    5+ £18.00
    10+ £17.06
    £18.95
    Niglon PRCB01C1-16 1P + Neutral 16A Curve C Bi-Directional 10kA RCBO

    Niglon PRCBO10C1-16 1P + Neutral 16A Curve C Bi-Directional 10kA RCBO
    4 In Stock
    More available within 1 - 3 working days*
    SKU: PRCBO10C1-16
    £19.21
    Live Electrical RNC20B-30N – 20A Double Pole Single Module RCBO

    Live Electrical | RNC120B-030N | 6kA 30mA | Type A B Curve | Bi-Directional Double Pole RCBO | 20A
    148 In Stock
    More available within 1 - 3 working days*
    SKU: RNC120B-030N
    £9.75
    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
    3 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
    £181.24
    Live Electrical EMU2 2 Way Empty DIN Rail Metal Enclosure With LidLive Electrical EMU2 2 Way Empty DIN Rail Metal Enclosure With Lid

    Live Electrical EMU2 2 Way Empty DIN Rail Metal Enclosure With Lid
    6 In Stock
    More available within 1 - 2 working days*
    SKU: EMU2
    £7.85
    Live Electrical RKA106B-030 6A 10kA B Curve Compact Bi-Directional RCBO For TPN Distribution Boards

    Live Electrical | RKA106B-030 | 1P+N | Bi-Directional RCBO | Type A | Curve B | 10kA | 30mA | 6A
    15 In Stock
    More available within 1 - 3 working days*
    SKU: RKA106B-030
    £11.59

    Showing 601–620 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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