Surge Protection SPDs

Surge protection devices (SPDs) are indispensable for safeguarding electrical and electronic equipment from voltage spikes and surges. Our high-quality SPDs offer robust protection against power fluctuations, ensuring the longevity and reliability of your devices. With a variety of models and installation options, they're essential for homes and businesses. Explore our selection of dependable surge protection devices, ideal for securing sensitive equipment and data. Invest in these critical devices to ensure peace of mind and avoid costly damage from electrical surges.
9 products

  • Lewden SRGT2B-KIT 40kA 1 Module Single Pole Type 2 Surge Protector and Connection Kit

    Lewden Lewden SRGT2B-KIT 40kA 1 Module Single Pole Type 2 Surge Protector and Connection Kit

    Next day delivery

    40kA 1 Module Single Pole Type 2 Surge Protector and Connection Kit Lewden SRGT2B-KIT Fits directly to the comb busbar in a PRO consumer unit. Type 2 Surge Protection Device No dedicated MCB required. Suitable for use with maximum back up fuse 100A. Mechanical flag and volt free changeover signalling contact for end of life indication. Suitable for use in TN-C-S (PME) / TNS / TT network systems. IEC6163-11 Protect electrical installations from damaging transient overvoltages with this 40kA 1 Module Single Pole Type 2 Surge Protector and Connection Kit. Designed for direct connection to the comb busbar in compatible PRO consumer units, it provides reliable Type 2 surge protection without requiring a dedicated MCB. Suitable for TN-C-S (PME), TNS and TT network systems, it supports a maximum 100A backup fuse. A mechanical status flag provides clear end-of-life indication, while a volt-free changeover signalling contact enables remote monitoring. Compact, dependable and easy to install, this surge protection solution helps safeguard electrical equipment in domestic and commercial installations. .   Brand Lewden Dimensions 92x18x68mm(HWD) Guarantee 1 Year Incoming Terminal Capacity 25mm² Maximum Discharge Current 40kA Mounting DIN Rail Number of Modules 1 Number of Poles Single Pole and neutral Outgoing Terminal Capacity 25mm² Standards BS EN61643-11, IEC 61643-1 Suitable For TN-C-S,TN-S and TT Earthing Type 2

    Next day delivery

    £27.61 ex VAT £33.13 inc VAT

  • Lewden SRGT2B 40kA 1 Module Single Pole Type 2 Surge Protector Lewden SRGT2B 40kA 1 Module Single Pole Type 2 Surge Protector

    Lewden Lewden SRGT2B 40kA 1 Module Single Pole Type 2 Surge Protector

    Next day delivery

    40kA 1 Module Single Pole Type 2 Surge Protector Lewden SRGT2B  Fits directly to the comb busbar in a PRO consumer unit. Type 2 Surge Protection Device No dedicated MCB required. Suitable for use with maximum back up fuse 100A. Mechanical flag and volt free changeover signalling contact for end of life indication. Suitable for use in TN-C-S (PME) / TNS / TT network systems. IEC6163-11 Protect electrical installations from damaging transient overvoltages with this compact 40kA single pole Type 2 surge protection device. Designed to fit directly onto the comb busbar within compatible PRO consumer units, it provides effective surge protection without requiring a dedicated MCB. Suitable for TN-C-S (PME), TNS and TT network systems, it supports a maximum backup fuse of 100A. A mechanical status flag provides clear end-of-life indication, while the volt-free changeover signalling contact enables remote monitoring. Its space-saving single-module design makes it ideal for modern domestic and commercial consumer units requiring reliable, efficient and compliant surge protection. .   Brand Lewden Dimensions 92x18x68mm(HWD) Guarantee 1 Year Incoming Terminal Capacity 25mm² Maximum Discharge Current 40kA Mounting DIN Rail Number of Modules 1 Number of Poles Single Pole and neutral Outgoing Terminal Capacity 25mm² Standards BS EN61643-11, IEC 61643-1 Suitable For TN-C-S,TN-S and TT Earthing Type 2

    Next day delivery

    £18.87 ex VAT £22.64 inc VAT

  • Lewden SRG1VCU-KIT 40kA 1 Module Single Pole and Neutral Type 2 Surge Protection Kit

    Lewden Lewden SRG1VCU-KIT 40kA 1 Module Single Pole and Neutral Type 2 Surge Protection Kit

    Next day delivery

    40kA 1 Module Single Pole and Neutral Type 2 Surge Protection Kit Lewden SRG1VCU-KIT Suitable for TN-C / TN-S and TT network systems Designed for universal application, for the protection of electrical appliances against impulse surge effects when connected to LV supply systems Devices are earth leakage free and may be connected before or after RCCB / RCBO circuit protection Complete with 40A Single Pole B Curve MCB and connection cables Looking for a reliable and effective way to protect your valuable electrical equipment from power surges? The Lewden SRG1VCU-KIT 1 Module Type 2 Surge Protection Kit is the ideal solution. Designed to provide superior performance and easy installation, this kit is an essential addition to any electrical system. With its compact and easy-to-install design, the SRG1VCU-KIT is the perfect choice for both residential and commercial applications. It features a Type 2 surge protection device that is capable of diverting harmful surges to the ground, ensuring that your electrical equipment remains safe and secure. With its durable and robust construction, this surge protection kit is designed to withstand even the toughest of environments. Whether you're looking to protect your home entertainment system or your office equipment, the SRG1VCU-KIT delivers the performance and reliability you need. Invest in the Lewden SRG1VCU-KIT 1 Module Type 2 Surge Protection Kit today and enjoy the peace of mind that comes with superior electrical protection. With its advanced features and easy installation, you can be confident that your valuable electrical equipment is always safe and secure. So why wait? Order yours today and take the first step towards total surge protection! .   Brand Lewden Guarantee 1 Year Incoming Terminal Capacity 2.5 - 4 mm² Maximum Discharge Current 40kA Mounting DIN Rail Number of Modules 2 Number of Poles Single Pole Outgoing Terminal Capacity 2.5 - 4 mm² Packaging Types Kit Standards BS EN61643-11, IEC 61643-1 Suitable For TN-S and TT Earthing Type 2 Weight 0.2kg

    Next day delivery

    £48.12 ex VAT £57.74 inc VAT

  • Lewden SRG3123 50kA 4 Module Single Pole and Earth Type 1+2+3 Surge Protector

    Lewden Lewden SRG3123 50kA 4 Module Single Pole and Earth Type 1+2+3 Surge Protector

    Available 1-3 working days

    50kA 4 Module Single Pole and Earth Type 1+2+3 Surge Protector Lewden SRG3123  Designed and tested for use with Lewden branded distribution boards Lewden surge protection devices are Suitable for TN-C-S / TN-S / TTnetwork systems   Protect your electronic devices with the Lewden SRG3123 50kA 4 Module Single Pole and Earth Type 1+2+3 Surge Protector. Designed and tested for use with Lewden distribution boards, this device offers 50kA protection and is suitable for TN-C-S / TN-S / TT network systems. Keep your equipment safe and secure with this reliable surge protector. .   Brand Lewden Dimensions 94x72x82mm(HWD) Guarantee 1 Year Mounting DIN Rail Number of Modules 2 Standards BS EN61643-11, IEC 61643-1 Suitable For TN-S and TT Earthing Type 1+2+3

    Available 1-3 working days

    £451.64 ex VAT £541.97 inc VAT

  • Lewden SRG1123 50kA 2 Module Single Pole and Earth Type 1+2+3 Surge Protector

    Lewden Lewden SRG1123 50kA 2 Module Single Pole and Earth Type 1+2+3 Surge Protector

    Next day delivery

    50kA 2 Module Single Pole and Earth Type 1+2+3 Surge Protector Lewden SRG1123  Designed and tested for use with Lewden branded distribution boards Lewden surge protection devices are Suitable for TN-C-S / TN-S / TTnetwork systems   The Lewden SRG1123 Surge Protector offers reliable and tested protection for TN-C-S/TN-S/TT network systems. Its 50kA capacity and 2 modules provide effective shielding against surges, making it ideal for use with Lewden distribution boards. Keep your equipment safe with this single pole and earth type 1+2+3 surge protector from Lewden. .   Brand Lewden Dimensions 94x36x82mm(HWD) Guarantee 1 Year Incoming Terminal Capacity 10-35mm² Maximum Discharge Current 50kA Mounting DIN Rail Number of Modules 2 Number of Poles Single Pole and Neutral Outgoing Terminal Capacity 10-35mm² Standards BS EN61643-11, IEC 61643-1 Suitable For TN-S and TT Earthing Type 1+2+3

    Next day delivery

    £292.50 ex VAT £351.00 inc VAT

  • Lewden SRG3V1G 50kA 4 Module 3 Pole and Neutral Type 2 Surge Protector

    Lewden Lewden SRG3V1G 50kA 4 Module 3 Pole and Neutral Type 2 Surge Protector

    Next day delivery

    50kA 4 Module 3 Pole and Neutral Type 2 Surge Protector Lewden SRG3V1G  Designed and tested for use with Lewden branded distribution boards Lewden surge protection devices are Suitable for TN-C-S / TN-S / TTnetwork systems   Protect your electronic devices with the Lewden SRG3V1G Surge Protector. With a high 50kA protection rating and 4 modules, it offers optimal defence against power surges. Designed and tested to work seamlessly with Lewden distribution boards, this surge protector is suitable for various network systems. Keep your equipment safe with Lewden. .   Brand Lewden Dimensions 94x72x82mm(HWD) Guarantee 1 Year Incoming Terminal Capacity 10-35mm² Maximum Discharge Current 50kA Mounting DIN Rail Number of Modules 4 Number of Poles Triple Pole and Neautral Outgoing Terminal Capacity 10-35mm² Standards BS EN61643-11, IEC 61643-1 Suitable For TN-S and TT Earthing Type 2

    Next day delivery

    £179.52 ex VAT £215.42 inc VAT

  • Lewden SRG1V1G 50kA 2 Module Single Pole and Earth Type 2 Surge Protector

    Lewden Lewden SRG1V1G 50kA 2 Module Single Pole and Earth Type 2 Surge Protector

    Next day delivery

    50kA 2 Module Single Pole and Earth Type 2 Surge Protector Lewden SRG1V1G  Designed and tested for use with Lewden branded distribution boards Lewden surge protection devices are Suitable for TN-C-S / TN-S / TTnetwork systems For use when TPN board is arranged for single phase 230VAC incoming supply   The Lewden SRG1V1G Surge Protector is a reliable choice for protecting your TN-C-S, TN-S, or TT network systems. With a 50kA rating and 2 module design, it can handle heavy surges and is suitable for use with single phase 230VAC supply. Specifically designed for use with Lewden distribution boards for optimal performance. .   Brand Lewden Dimensions 94x36x72mm(HWD) Guarantee 1 Year Incoming Terminal Capacity 10 - 35 mm² Maximum Discharge Current 50kA Mounting DIN Rail Number of Modules 2 Number of Poles Single Pole and neutral Outgoing Terminal Capacity 10-35mm² Standards BS EN61643-11, IEC 61643-1 Suitable For TN-S and TT Earthing Type 2

    Next day delivery

    £116.20 ex VAT £139.44 inc VAT

  • Lewden SRGT2CU 20kA 1 Module Single Pole Type 2 Surge Protector

    Lewden Lewden SRGT2CU 20kA 1 Module Single Pole Type 2 Surge Protector

    Next day delivery

    20kA 1 Module Single Pole Type 2 Surge Protector Lewden SRGT2CU  Lewden surge protection device is designed and tested for use withLewden branded distribution boards These SPDs are suitable for use in TN-C-S (PME) / TN-S / TT networksystems Earth leakage free and may be connected before or after RCCB/RCBO circuitprotection   The Lewden SRGT2CU Surge Protector provides reliable protection against surges, with a 20kA capacity and 1 module single pole design. Specifically designed for use with Lewden distribution boards and suitable for various network systems, this device is both earth leakage free and can be easily integrated with RCCB/RCBO circuit protection. .   Brand Lewden Dimensions 90x18x67mm(HWD) Guarantee 1 Year Incoming Terminal Capacity 25mm² Maximum Discharge Current 40kA Mounting DIN Rail Number of Modules 1 Number of Poles Single Pole and neutral Outgoing Terminal Capacity 25mm² Standards BS EN61643-11, IEC 61643-1 Suitable For TN-C-S,TN-S and TT Earthing Type 2

    Next day delivery

    £43.31 ex VAT £51.97 inc VAT

  • Lewden SRG1VCU-RP Plastic Enclosure with Main Switch, MCB and SRG1VCU IP55

    Lewden Lewden SRG1VCU-RP Plastic Enclosure with Main Switch, MCB and SRG1VCU IP55

    Next day delivery

    Plastic Enclosure with Main Switch, MCB and SRG1VCU IP55 Lewden SRG1VCU-RP Suitable for use on TN-C-S (PME) / TN-S / & TT networks Provides surge protection against the effects of transient over voltages Ideal for installation where it is not possible to accommodate a suitable surgearrester directly within the existing consumer unit.   Protect your electrical system with the Lewden SRG1VCU-RP Plastic Enclosure. It comes equipped with a Main Switch, MCB, and SRG1VCU IP55, providing surge protection against transient over voltages. Perfect for use on TN-C-S (PME), TN-S, and TT networks, this enclosure is ideal for installations where a surge arrester cannot be placed directly in the consumer unit. .   Brand Lewden Surge Protective Class Type 2 Material Technopolymer Recyclable Palazzoli IP Rating IP55 Frequency 50-60Hz Phase 1 Rated Operating Voltage 230V Earthing Systems TN-C-S-(PME) Earthing Systems TT, TN-S For Cables 35mm2 Dimensions 226x112x102(HWD) Standards IEC61643,61439,61643,61439

    Next day delivery

    £114.15 ex VAT £136.98 inc VAT

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