Leading SPD Manufacturer

Advanced Lightning Protection Solutions

Professional R&D and manufacturing of Surge Protective Devices (SPD). Providing reliable, certified safety for critical infrastructure worldwide.

Product CatalogDownload
40+Countries Exported
250kAMax Discharge Current
< 25nsRapid Response Time
50+Patents & Certifications

Meet Us, Tour Our Factory

A leading high-tech enterprise dedicated to the R&D and manufacturing of premium lightning and surge protection products.

Learn More
Soldering

Precision
Soldering Process

Meticulous soldering techniques ensure robust electrical connections, maximizing the reliability and lifespan of every surge protection device.

Automation

Fully Automated
Production Line

Equipped with the first domestic SPD fully automated assembly line, guaranteeing high efficiency, consistency, and zero-defect manufacturing.

Assembly

Standardized
Assembly Lines

Streamlined and ISO-certified assembly processes seamlessly integrate high-quality components, strictly meeting international standards.

Inspection

Rigorous
Quality Testing

Featuring advanced 250kA/50kA surge testing stations and 500kV high-voltage equipment, ensuring TUV, CE, and CB certified performance.

Full Range Lightning Protection Products

Full coverage of HV/LV SPD, high-voltage arresters, photovoltaic & signal lightning protectors, one-stop supply for engineering integrated selection

Read More +
LT-T25 B+C T1+T2 Surge Protector 25kA Commercial Buildings

LT-T25 B+C T1+T2 Surge Protector 25kA Commercial Buildings

<div class="leitai-dms-info"> <p class="leitai-dms-info-subtitle">LT-T25 B+C — China SPD Factory & Wholesale Supplier</p> <p class="leitai-dms-info-desc">The LT-T25 B+C is a B+C class combined SPD for service entrances, combining lightning impulse current handling with nominal discharge current duty Supplied factory-direct from China with testing before dispatch, it is a practical choice for distributors, switchgear assemblers and project buyers.</p> <div class="leitai-dms-info-model"><span class="leitai-dms-info-model-check">✓</span> <span class="leitai-dms-info-model-name">LT-T25 B+C — Surge Protective Device<span class="leitai-dms-info-model-code">Type 1+2 (T1+T2) SPD · DIN Rail · IEC 61643-11</span></span></div> <div class="leitai-dms-info-benefits"> <div class="leitai-dms-info-benefit">Iimp 25kA</div> <div class="leitai-dms-info-benefit">B+C Combined</div> <div class="leitai-dms-info-benefit">50kA Imax</div> </div> <h3 class="leitai-dms-info-label">Key Specifications</h3> <ul class="leitai-dms-info-list"> <li><strong>Type</strong> — Type 1+2 (T1+T2) SPD</li> <li><strong>Uc</strong> — 275V / 350V / 440V</li> <li><strong>Iimp</strong> — 25kA (10/350us)</li> <li><strong>In / Imax</strong> — 25kA / 50kA (8/20us)</li> <li><strong>Up</strong> — 1.2 / 1.6 / 2.0kV</li> <li><strong>Certifications</strong> — CE</li> <li><strong>Standards</strong> — IEC 61643-11</li> </ul> </div>

Why Choose Us

Manufacturing & Testing Capabilities

  • Automated Production: Equipped with China’s first fully automatic SPD (Surge Protective Device) production line to ensure high efficiency, precision, and consistency.
  • World-Class Testing Lab: Featuring over 50 advanced testing devices, including a lightning test station capable of 250KA (8/20μs) and 50KA (10/350μs) surge capacity testing.
  • Comprehensive Coverage: Advanced testing capabilities for PV systems, signal protection, and high-voltage arresters up to 220kV, strictly meeting IEC and national standards.

Four Core Advantages

  • Industry Leadership: A National High-Tech Enterprise, member of the National Lightning Protection Standardization Technical Committee, and President unit of the local industry association.
  • Global Certifications: The first in the industry to earn the “Zhejiang Made” premium certification, with products widely approved by TUV, CE, CB, UKCA, CQC, and RoHS.
  • International Presence: Operating globally since 2010, our products are trusted in over 40 countries across North America, Europe, Asia, the Middle East, and Africa.
  • Continuous Innovation: Recognized by the government as a technology-innovative enterprise, maintaining rapid year-over-year growth in R&D, production, and global exports.

Ready to Secure Your
Critical Infrastructure?

Contact us today for customized lightning protection solutions and competitive factory-direct pricing.

OEM & ODM Services

Empowering your brand with customized lightning protection solutions.

  • Customized Solutions
    R&D Excellence

    Customized Solutions
    for Your Brand

    As a national high-tech enterprise and standards committee member, we offer professional R&D to bring your unique product concepts to life.

  • Smart Manufacturing
    Smart Manufacturing

    Fully Automated
    Production Lines

    Empower your orders with our industry-leading automatic SPD production line, ensuring fast delivery, cost-efficiency, and consistent premium quality.

  • Ultimate Reliability
    Ultimate Reliability

    World-Class
    Testing Laboratory

    Your brand’s reputation is secured by our 50+ advanced testing devices, including 250KA/50KA lightning strike stations that meet strict IEC standards.

  • Global Partnership
    Global Partnership

    Trusted by Clients
    in 40+ Countries

    Since 2010, we have been seamlessly integrating with international markets, providing reliable OEM/ODM manufacturing for global brands.

Company Strength

01

Global Certifications

A high-tech enterprise leading the industry with ISO9001, ISO14001, and ISO45001 systems. Our products are certified by TUV, CE, CB, UKCA, CQC, and RoHS.

02

Advanced Manufacturing

Equipped with the first domestic fully automatic SPD production line and 50+ testing devices, including a lightning strike test station capable of 250KA and 50KA testing.

03

Worldwide Export

Since 2010, our products have been exported to over 40 countries including the USA, UK, France, and Australia, with export volumes doubling year by year.

INDUSTRY APPLICATIONS

Providing Certified Lightning And Surge Protection Solutions For Global Critical Infrastructure.

BLOG & NEWS

Simply follow our blog and news, and you’ll always be the first to know
about the latest in electrical manufacturing — from product releases to industry breakthroughs.

Contact Us

Zhejiang Leitai Electrical Co., Ltd., a Chinese high-tech enterprise, focuses on R&D, production and sales of lightning protection products.

Tel: 0577-62625686

Mobile: 133 5337 7303

WhatsApp: +86 137 3677 5008

E-mail: leitai@leitai.cn

Address: No. 17, Zhenmin Road, Sibaiqiao Industrial Zone, Liushi Town, Wenxiang City, Zhejiang Province

Follow Us

Official Accounts