ESL Power Systems
Since its inception in the early 1990’s, ESL Power Systems, Inc. has emerged as an innovative leader in the design and manufacturing of custom engineered electrical equipment. ESL is a 100% employee owned customer service centric company proud to offer safe and reliable power solutions to a wide variety of industries. Their Vision is to be the innovative partner in providing safe and dependable custom electrical solutions. They strive to be the leader in designing and manufacturing electrical solutions that provide reliable power to their customers.


TripleSwitch®
​3-Way Manual Transfer Switch
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.

StormSwitch®
​Manual Transfer Switch
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.

DualConnect™
Dual Purpose Docking Station
​ 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.
