The Ultimate Power Solution.

TSi Power makes the highest-quality power solutions available. Our off-the-shelf and custom products are engineered to perform continuously – and reliably – at the outer limits of their stated specifications. Customers around the world rely on TSi Power to protect their mission-critical applications. For your next project, make us your power solutions partner.

Learn more about TSi Power »

What’s New

at TSi Power.

White Paper

Cap-Ex, Op0Ex, and Energy Savings by Using an Automatic Transfer Switch (ATS) instead of an UPS

Download »


Rely on power protection solutions designed specifically for your industry and application.

Technical Resources

Find useful information here on topics of interest to both existing and prospective customers.

  • FAQs

    Find questions and answers about many power-related topics. If you don’t see your question addressed, let us know and we’ll do our best to answer it.

    See All »
  • White Papers

    Download TSi Power’s free white papers for even more information on a variety of topics we have encountered over the years.

    See All »
  • Product Specifications

    Organized by product category, easily find product specifications in a downloadable .pdf format.

    See All »
  • Product Documentation

    Register to access TSi Power’s operating manuals, drawings and other documents relating to our products.

    See All »