Surge Protective Device

Trusted by Numerous Electrical Companies

More than 1200 companies from 35 countries trust us, the quantity is increasing.

AC Surge Protective Devices

Type 1, type 2, type 3 surge protective devices (SPDs) for AC power supply systems with premium quality and unmatched reliability.

Type 1 SPD

Type 1+2 SPD

Type 2 SPD

DC Surge Protection Devices

Type 1+2, type 2 surge protective devices (SPDs) for Solar Panel / PV / DC / Inverter with premium quality and unmatched reliability.

Type 1+2 SPD

Type 2 SPD

Application of Surge Protective Devices

LSP’s wide range of surge protective devices (SPDs) for photovoltaic, energy storage systems, solar farm, cell sites, industrial sites, security systems, water treatment facilities, datacenter etc.

Certified by TUV-Rheinland

TUV, CB and CE certification. Surge Protective Devices (SPD) tested accroding to IEC/EN 61643-11 and IEC/EN 61643-31.

Customization

We assist you with every step to turn your requirements into tangible surge protective devices (SPDs) with professional and experienced engineers backing up.

Type 1 SPD

Type 1+2 SPD

Type 2 SPD

Compact SPD

Customers Testimonial

Created with reliable materials and refined workmanship, by utilizing modular design and reasonable internal structure, our surge protective devices (SPDs) boast excellent arc extinguishing performance to suit your specific site requirements.

LSP is one of the best companies that we work with. Surge protective devices provided by LSP are state of the art, excellent quality and most importantly carry all of the necessary international agency approvals such as TUV, CB, CE which is extremely important in the France.

Tim Wolstenholme

LSP is the most professional manufacturer of surge protective devices to any level of protection required…is one of the very few companies offering a full capability of test equipment and engineers to confirm the parameters of all their surge designs and products.

Edward Woo

After cooperated with LSP, I can say that LSP is a high standard company with high technical engineers and factory staff. Working with LSP is so easily done because all questions regarding their surge protective devices range are so easily explained and quickly delivered.

Frank Tido