ESL Power Systems, Inc.

Engineered Power Distribution Solutions

ESL Power Systems, based in Corona, CA specializes in engineered power distribution solutions that are safe to use and easy to operate. Since its inception in the early 1990’s, ESL Power Systems, Inc. has emerged as an innovative leader in the design and manufacturing of safety-interlock electrical solutions including manual transfer switches for emergency power.

The Arthur N. Ulrich Company is the manufacturer’s representative for ESL Power Systems in Ohio, Kentucky, Indiana, West Virginia, Michigan (lower peninsula) and Western Pennsylvania.

Products / Solutions

ESL manufactures a line of emergency power connection equipment for commercial and industrial applications. ESL products like the StormSwitch™ (Manual Transfer Switch up to 3000A), TripleSwitch™ (3-Way Manual Transfer Switches up to 3000A) and TempTap™ (Generator Docking Stations up to 3200A) lead the industry with their UL/cUL 1008 listing.

Markets Served:

  • Gas Stations/Convenience Stores
  • Water/Wastewater Treatment Plants
  • Call Centers
  • Manufacturing Facilities
  • Healthcare Facilities
  • Cold Storage Facilities
  • Grocery Stores
  • Banking/Financial Centers

Visit for complete and up-to-date product information.

Contact Us

Contact us today to get started on your next project. We look forward to assisting you!


Representation In: Ohio | Kentucky | Indiana | West Virginia | Michigan | Western Pennsylvania