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    Electrical4less Reviews 4.9 Based on 1573 reviews

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    SPD Surge Protection Devices

    Consumer Unit SPDs

    Consumer Unit SPDs (8)

    Single Phase SPDs

    Single Phase SPDs (48)

    Three Phase SPDs

    Three Phase SPDs (43)

    SPD Surge Protection for Solar PV

    SPD Surge Protection for Solar PV (12)

    Surge Devices SPDs

    Surge Devices SPDs (52)

    Fusebox F3M2SPDZ FuseBox 100A Main Switch/MCB + SPD T2 Retrofit Kit

    Fusebox F3M2SPDZ 100A Main Switch + Type 2 SPD Kit
    Delivery usually within 1 - 3 working days*
    SKU: F3M2SPDZ
    £61.14
    Garo DST2-275-2KIT 2 Pole 1 Module Class 11 Type 2 SPD 275V 20KA With a Cable Kit

    Garo DST2-275-2KIT 2 Pole 1 Module Class 11 Type 2 SPD 275V 20KA With a Cable Kit
    Delivery usually within 1 - 3 working days*
    SKU: DST2-275-2KIT
    £17.89
    Surge Devices 10811/LED Type 1+2+3 SPD – 3-Phase Lightning Arrester for TN-S & TNC-S Systems

    Surge Devices 10811/LED Type 1+2+3 SPD – 3-Phase Lightning Arrester for TN-S & TNC-S Systems
    Delivery usually within 3 - 4 working days*
    SKU: 10811/LED
    £486.00
    Surge Devices 800914ENC Surge Devices Type 1+2+3 100kA 3 Phase SPD with Window Indication and Pluggable Modules in IP65 Polycarbonate Enclosure

    Surge Devices 800914ENC Type 1+2+3 SPD – 3-Phase Lightning Arrester in IP65 Enclosure
    Delivery usually within 3 - 4 working days*
    SKU: 800914ENC
    £465.00
    Surge Devices SY12325KA2P/ENCM Surge Devices Type 1+2+3 25kA Single Phase Lightning and Surge Arrester

    Surge Devices SY12325KA2P/ENCM Type 1+2+3 SPD – 25kA Single Phase Lightning Arrester with MCB in IP65 Enclosure
    Delivery usually within 3 - 4 working days*
    SKU: SY12325KA2P/ENCM
    £180.00
    Surge Devices SY2-D Surge Devices Type 2+3 Single Module 2P SPD with Replaceable Modules and Window Indication

    Surge Devices SY2-D Single Phase Type 2/3 SPD
    Delivery usually within 3 - 4 working days*
    SKU: SY2-D
    £39.00
    Surge Devices 10812/LED 50kA Type 1+2+3 Single Phase SPD with LED Indication

    Surge Devices 10812/LED 50kA Type 1+2+3 Single Phase SPD with LED Indication
    Delivery usually within 3 - 4 working days*
    SKU: 10812/LED
    £243.00
    Surge Devices 800914 Surge Devices 800914 Type 1+2+3 100kA 3 Phase SPD with Window Indication and Pluggable Modules

    Surge Devices 800914 Type 1+2+3 SPD – 3-Phase Lightning Arrester for TN-S & TNC-S Installations
    Delivery usually within 3 - 4 working days*
    SKU: 800914
    £435.00
    Surge Devices 10020/4ENC Surge Devices Type 1+2+3 50kA 3 Phase Lightning and Surge Arrester with Indication in IP65 Polycarbonate Enclosure

    Surge Devices 10020/4ENC 50kA Type 1+2+3 Three Phase SPD in IP65 Enclosure
    Delivery usually within 3 - 4 working days*
    SKU: 10020/4ENC
    £330.00
    Surge Devices 10020/2ENC Surge Devices Type 1+2+3 25kA Single Phase Lightning and Surge Arrester with Indication in IP65 Polycarbonate Enclosure

    Surge Devices 10020/2ENC Type 1+2+3 SPD – 25kA Single Phase Lightning Arrester in IP65 Enclosure
    Delivery usually within 3 - 4 working days*
    SKU: 10020/2ENC
    £174.00
    Surge Devices 10020/2ENCM Surge Protection Devices 10020/2/ENCM

    Surge Devices 10020/2ENCM Type 1+2+3 SPD – Single-Phase 25kA Lightning Arrester in IP65 Enclosure with 63A MCB
    Delivery usually within 3 - 4 working days*
    SKU: 10020/2ENCM
    £180.00
    Surge Devices SY12325KA2P/ENC Surge Devices SY12325KA2P/ENC

    Surge Devices SY12325KA2P/ENC Type 1+2+3 SPD – 25kA Single Phase Lightning Arrester in IP65 Enclosure
    Delivery usually within 3 - 4 working days*
    SKU: SY12325KA2P/ENC
    £174.00
    Surge Devices SY2-D/ENC Surge Devices Type 2+3 Single Module 2P SPD with Replaceable Modules and Window Indication in A 2 Module Box

    Surge Devices SY2-D/ENC Single Phase Type 2/3 SPD in Enclosure
    Delivery usually within 3 - 4 working days*
    SKU: SY2-D/ENC
    £46.80
    Surge Devices 320002/ENC Surge Devices Type 2 Single Module 2P SPD with Replaceable Modules

    Surge Devices 320002/ENC Type 2/3 SPD in IP65 Enclosure
    Delivery usually within 3 - 4 working days*
    SKU: 320002/ENC
    £50.05
    Surge Devices LSPDPV600 SPD Type 1 & 2 600V DC for Solar/PV Installations

    Surge Devices LSPDPV600 Type 1+2 PV SPD for 600V Solar Installations
    Delivery usually within 3 - 4 working days*
    SKU: LSPDPV600
    Quantity Discount
    Quantity Price
    1 £96.00
    2+ £94.08
    3+ £93.12
    £96.00
    WCED Cable Pack Kit - Forked Terminal Live

    WCED Cable Pack Kit – Forked Terminal Live, Neutral & Earth Cable
    4 In Stock
    More available within 1 - 3 working days*
    SKU: Kit1-CP
    £2.00
    Niglon SAE3-23-215 Type 2 (or 3) Surge Protection Device

    Niglon SAE3-23-215 Type 2 (or 3) Surge Protection Device
    Delivery usually within 1 - 3 working days*
    SKU: SAE3-23-215
    £40.43
    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
    Hager JK101SPD Hager JK101SPD 125A Surge Protection Kit Type 1 & 2 1Hager JK101SPD 125A Surge Protection Kit Type 1 & 2 Three Phase

    Hager JK101SPD 125A Surge Protection Kit Type 1 & 2
    Delivery usually within 3 - 4 working days*
    SKU: JK101SPD
    £384.56
    Surge Devices 800912 Surge Devices Type 1+2+3 50kA Single Phase SPD with Window Indication and Pluggable Modules

    Surge Devices 800912 50kA Type 1+2+3 Single Phase SPD with Window Indication
    Delivery usually within 3 - 4 working days*
    SKU: 800912
    £219.00

    Surge Protective Devices (SPDs) for Consumer Units & Distribution Boards

    Protect electrical installations from transient overvoltages caused by lightning activity and switching surges with our range of Surge Protective Devices (SPDs). This category includes SPDs and kits suited to both domestic consumer units and commercial distribution boards, with options designed to meet BS 7671 expectations.

     

    Type 1, Type 2 & Combined Type 1+2 Surge Protection

    Choose Type 1 SPDs for installations where direct lightning currents may be present at the origin, Type 2 SPDs for protection against switching and residual surges, and combined Type 1+2 devices commonly used in consumer units. Where multiple devices are used, they should be properly coordinated for correct operation.

     

    Single Phase, Three Phase & Solar PV DC SPDs

    Shop by application with dedicated ranges for Consumer Unit SPDs, Single Phase SPDs, Three Phase SPDs, and SPD Surge Protection for Solar PV. You’ll also find practical all-in-one options such as SPD kits, stand-alone enclosures, and meter supply isolators with surge protection.

     

    Filter by Earthing System, Poles, IP Rating & Features

    Use the filters to match your install quickly — including SPDs for TN-S, TN-C-S, TT, and IT systems, plus choices by number of poles (1P/2P/3P/4P), IP rating (e.g. IP20/IP55), and extras like LED indication, data/telephone protection, and enclosure options.

     

    Trusted Brands & Fast UK Delivery

    Choose from well-known names including FuseBox, Hager, Live Electrical, Niglon, WCED, and specialist ranges such as Citel options for DC applications. UK Mainland orders over £75 + VAT qualify for free standard next-day delivery, with a 3pm cut-off for in-stock items (subject to availability). You also benefit from a 30-day returns policy on eligible unused goods (check product notes for exclusions).






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    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.

    Backorder Delivery Policy

    Items with Lead Times (e.g., 1–3 Working Days):
    This means we need to source the product from our supplier before sending it to you. The estimated dispatch time is displayed on each product page.

    Out of Stock at Supplier:
    If an item is unavailable at the supplier, we will contact you promptly. You’ll have the option to choose an alternative product or request a full refund.

    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.

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