VAT:
Quotes
  • 0
    • Electrical4less Logo
    0
    Electrical4less Reviews 4.9 Based on 1611 reviews

    UK Mainland Free Delivery £100 + VAT

    30 Day Return Policy

    Next Day Delivery Cut Off Time 3PM

    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 821–840 of 2331 results

    Timeguard TX3010 1 Module Blank Plastic DIN Rail

    Timeguard | TX3010| 1 Module Blank Plastic DIN Rail
    13 In Stock
    More available within 1 - 3 working days*
    SKU: TX3010
    £0.80
    LEV840SP-P 3 Phase IP65 EV Charger Consumer Unit C Curve8 Way Weatherproof Consumer Unit with Type A RCBO and SPD

    Live Electrical | LEV840SP-P | 3 Phase IP65 EV Charger Consumer Unit | SPD | C40A Type A RCBO
    Delivery usually within 1 - 3 working days*
    SKU: LEV840SP-P
    £70.72
    Live Electrical TPN12-125 Live Electrical TPN12-125 125A 12 Way TPN Distribution Board 1

    Live Electrical TPN12-125 125A 12 Way TPN Distribution Board
    Delivery usually within 1 - 2 working days*
    SKU: TPN12-125
    £143.29
    Live Electrical CB310B Live Electrical CB310B 3 Pole 10A B Curve 10kA MCB 1

    Live Electrical | CB310B | 10kA | Curve B | 3 Pole Bi-Directional MCB | 10A
    7 In Stock
    More available within 1 - 2 working days*
    SKU: CB310B
    £8.37
    Hager NDN363A 3 Pole MCB Type D 63A 10kA

    Hager NDN363A 3 Pole MCB Type D 63A 10kA
    Delivery usually within 3 - 4 working days*
    SKU: NDN363A
    £47.17
    Hager NBN140A Hager NBN140A Single Pole Type B MCB 40A 10kA

    Hager NBN140A Single Pole Type B MCB 40A 10kA
    15 In Stock
    More available within 3 - 4 working days*
    SKU: NBN140A
    £9.44
    Hager NBN116A Hager NBN116A Single Pole Type B MCB 16A 10kA

    Hager NBN116A Single Pole Type B MCB 16A 10kA
    23 In Stock
    More available within 3 - 4 working days*
    SKU: NBN116A
    £9.18
    Hager NBN106A Hager NBN106A Single Pole Type B MCB 6A 10kA

    Hager NBN106A Single Pole Type B MCB 6A 10kA
    12 In Stock
    More available within 3 - 4 working days*
    SKU: NBN106A
    £9.36
    Live Electrical TPN24-125S Live Electrical 125 Amp 24 Way TPN Distribution Board with SPD 1

    Live Electrical TPN24-125S 125 Amp 24 Way TPN Distribution Board with SPD
    Delivery usually within 1 - 2 working days*
    SKU: TPN24-125S
    £306.42
    Live Electrical MLCD61 Live Electrical Single Phase Energy Meter

    Live Electrical MLCD61 Single Phase Energy Meter
    Delivery usually within 1 - 2 working days*
    SKU: MLCD61
    £19.90
    FuseBox F3024MDT 24 Way 2x100A Dual Tariff Consumer Unit

    FuseBox F3024MDT 24 Way 2x100A Dual Tariff Consumer Unit
    Delivery usually within 2 - 3 working days*
    SKU: F3024MDT
    £112.86
    WCED WMC116C WCED Miniature Circuit Breaker 6kA Curve C - 16A 1

    WCED Miniature Circuit Breaker 6kA Curve C – 16A
    Delivery usually within 1 - 3 working days*
    SKU: WMC116C
    £1.37
    WCED 4 Pole 230/400V 25A NO Normally Open AC Modular Contactor

    WCED WAC4P25 – 4 Pole 25A 4NO 230V AC Modular Contactor
    4 In Stock
    More available within 1 - 3 working days*
    SKU: WAC4P25
    Quantity Discount
    Quantity Price
    1 - 2 £10.95
    3+ £10.68
    5+ £10.40
    10+ £10.13
    20+ £9.85
    £10.95
    Live Electrical RI20DC Live Electrical 4 Pole 20A DC Rotary Isolator Switch 1

    Live Electrical RI20DC 4 Pole 20A DC Rotary Isolator Switch
    2 In Stock
    More available within 1 - 2 working days*
    SKU: RI20DC
    £20.99 £16.10
    Live Electrical RA220C-030 Live Electrical Double Pole Type A RCBO - Curve C - 20A 1

    Live Electrical Double Pole Type A RCBO – Curve C – 20A
    Delivery usually within 1 - 2 working days*
    SKU: RA220C-030
    £13.99
    WCED 4 Pole 40A 24V NC Normally Closed AC Modular Contactor

    WCED WAC4P40NC/24 – 4 Pole 40A 4NC 24V AC Modular Contactor
    1 In Stock
    More available within 1 - 3 working days*
    SKU: WAC4P40NC/24
    Quantity Discount
    Quantity Price
    1 - 2 £14.16
    3+ £13.81
    5+ £13.45
    10+ £13.10
    20+ £12.74
    £14.16
    FuseBox MT10B101 FuseBox MT10B101 10A Single Pole 10kA B Curve MCB

    FuseBox MT10B101 10A Single Pole 10kA B Curve MCB
    32 In Stock
    More available within 2 - 3 working days*
    SKU: MT10B101
    £3.22
    FuseBox MT10B401 FuseBox MT10B401 40A Single Pole 10kA B Curve MCB

    FuseBox MT10B401 40A Single Pole 10kA B Curve MCB
    14 In Stock
    More available within 2 - 3 working days*
    SKU: MT10B401
    £3.22
    FuseBox MT10D401 FuseBox MT10D401 40A Single Pole 10kA D Curve MCB

    FuseBox MT10D401 40A Single Pole 10kA D Curve MCB
    14 In Stock
    More available within 2 - 3 working days*
    SKU: MT10D401
    £3.22
    FuseBox MT10C252 FuseBox MT10C252 25A Double Pole 10kA C Curve MCB

    FuseBox MT10C252 25A Double Pole 10kA C Curve MCB
    8 In Stock
    More available within 2 - 3 working days*
    SKU: MT10C252
    £6.68

    Showing 821–840 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.

     






    © 2026 Electrical4less
    We accept Visa We accept Mastercard We accept Maestro We accept PayPal We use Amazon Pay We use Apple Pay We use Google Pay
    Next Day Delivery

    Cut-Off Time and Order Information
    To ensure your order qualifies for next day delivery, please place your order by 3:00 PM. This is subject to all items being available on the shelf at the time of your order. For orders where the total value exceeds £200 + VAT (double our standard carriage-paid order value of £100 + VAT), we are happy to split the delivery into two shipments if some items are needed urgently and others are not immediately available. If you have any questions or need further assistance, feel free to reach out to us via WhatsApp for live support. We’re here to help!

    In Stock Delivery Policy

    Free Next-Day Delivery Over £100 + VAT:
    Orders above £100 + VAT qualify for free next-day delivery via DPD for in-stock items. While we strive for timely dispatch, we recommend placing orders early to avoid potential delays. Once dispatched, unexpected issues may arise despite the courier’s efforts.

    Orders Below £200 + VAT:
    To keep costs manageable, we dispatch your order once all items are ready, including products with longer lead times.

    Need items faster? You can pay for an additional delivery service to receive in-stock items sooner. Simply email us with your order details, and we’ll send you a payment link for the extra delivery cost.

    Orders Above £200 + VAT:
    For larger orders, we can split delivery at no extra cost. In-stock items will be sent immediately, with the remaining items dispatched once available.

    Supplier Lead Time & Availability

    This item may be sourced from our supplier before dispatch.
    The lead time shown is an estimate only and is based on the usual supplier timeframe. It is subject to supplier availability and is not a guaranteed delivery date.
    We do not have a live supplier stock feed, so supplier stock can change without notice.
    Delivery timers and courier estimates apply once the item is available for dispatch.
    If the item is unavailable, we will contact you with the available options, including waiting for stock, choosing an alternative product, cancellation, or a refund for the unavailable item.
    This does not affect your statutory rights.

    Didn't find what you're looking for?

    No problem — message us directly on WhatsApp and we’ll help you out.

    We usually respond within minutes during working hours.

    Cookie Preferences
    We use cookies to enhance your browsing experience, serve personalised content, and analyse our traffic. By clicking "Accept All", you consent to our use of cookies. To find out more about how we use cookies please view our Privacy Policy.

    Cookie Preferences

    We use cookies to help you navigate the site and use its features. Below you will find details about each cookie category.

    Cookies marked as "Necessary" are stored in your browser and are required for the site to function properly.

    We also use third-party cookies to analyse site usage, remember your preferences, and show you relevant content and ads. These are only stored with your consent.

    You can enable or disable optional cookies below. Turning some off may affect how the site works for you.

    Necessary Always Active

    Necessary cookies are needed for core site features, such as secure login and saving your cookie preferences. They do not store personal data.