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​3-Way Manual Transfer Switch – TripleSwitch®

Our 3-way manual transfer switches range up to 3000A and are UL/cUL 1008 Listed. ESL’s TripleSwitch uses three interlocked disconnects to isolate standby generator circuits during COPS (Critical Operation Power Systems) load bank testing. The unique design also provides a quick, safe method to connect to a portable generator for redundant backup power.

​Manual Transfer Switch – StormSwitch®

StormSwitch is a manual transfer switch that is UL/cUL 1008 Listed to 3000A and provides an economical commercial solution for businesses that want to be prepared for emergency power loss. Equipped with safety-interlocks and color-coded cam-style receptacles, ESL’s patented StormSwitch ensures a safe and simple hook-up to a portable power generator during a power outage.

 Dual Purpose Docking Station – DualConnect™

 For emergency backup system designs with either multiple or existing generators, ESL’s UL 1008 Listed DualConnect™ – Dual Purpose Docking Station (DPDS) provides the flexibility needed to meet your design criteria. ESL’s Dual                Purpose Docking Station offers the ability to connect a load bank and portable generator at the same time and is UL 1008 Listed from 400A – 5000A.