We Specialize in

Surge Protective Device (SPD)

Advanced Test Facilities
Controlled Processes
Measurable Performance
Professional Solutions

Trusted by Numerous Electrical Companies

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

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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.

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.

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.

TUV Certificate AC Surge Protective Device SPD Type 1 Type 2 FLP12,5-275 FLP7-275
CB Certificate AC Surge Protective Device SPD Type 1 Type 2 FLP12,5-275 FLP7-275
CE Certificate AC Surge Protective Device SPD Type 1 Type 2 FLP12,5-275 FLP7-275

Customization

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

AC Surge Protective Device SPD Type 1 Class B FLP25-275 3+1

Type 1 SPD

AC Surge Protection Device SPD Class B+C Type 1 Type 2 FLP12,5-275 3+1

Type 1+2 SPD

AC Surge Protection Device SPD Type 2 Class C SLP40-275 3+1

Type 2 SPD

AC Surge Protection Device SPD Type 2 Class C SLP40K-275 1+1

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
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
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
Frank Tido

Enrich your electrical product range

Customized or Standardized AC and PV Surge Protective Device

Are You

A Distributor or Wholesaler?

A Branded Customized Customer?

An Engineer, Architect, or Designer?

An Online Brand Business Owner?

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If you have connections with professionals in the construction, electrician electric industries,

We encourage you to become a valuable partner for LSP.

Reliability in surge protection!

LSP’s reliable surge protective devices are designed to meet the protection needs of installations against lightning and surges that disrupt equipment operation, cause failures, reduce their lifespan, or even destroy them.

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