Manual Transfer Switch for
Quick Portable Generator Connection

ESL's Manual Transfer Switch with generatorUL/cUL 1008 Listed up to 3000A, ESL’s StormSwitch™ – Manual Transfer Switch is the ideal solution for portable generator connection to grid-tied facilities. StormSwitch™ provides pluggable connectors and a manual transfer switch allowing a quick, safe portable generator connection and operation for any building. Once installed by a licensed electrician, the StormSwitch™ is so easy and safe to operate that only basic training is required. No KIRK® key* or trapped key interlocks are necessary.

UL Logo

Manual Transfer Switch Solutions

ESL’s StormSwitch offers unique solutions for commercial and industrial applications including:

  • Gas Stations/Convenience Stores
  • Water Wastewater
  • Call Centers
  • Manufacturing
  • Financial Centers
  • Cold Storage Facilities
  • Grocery Stores
  • Distribution Centers
  • Restaurants
  • Petrochemical
  • Health Care Facilities

Selecting a Manual Transfer Switch
U.S. Patent 7462792B1

*KIRK® Key is a registered trademark of Kirk Key Interlock Company, LLC
Made in USA