More Info

ESL’s Manual Transfer Switch is UL/cUL 1008 Listed up to 3000A, OSHPD seismic certified (OSP), and offers 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 commercial 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.
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
*KIRK® Key is a registered trademark of Kirk Key Interlock Company, LLC
U.S. Patent 7462792B1
Stay Powered and Compliant When It Matters Most
ESL’s Manual Transfer Switch gives your facility fast, safe generator connection that is built to code and easy to operate.