Ronk's automatic transfer switch is designed to automatically transfer critical loads in the event of a power outage for residential, agricultural, commercial and light industrial applications. Units come standard as NEMA 4, UL 1008 listed. The simple, rugged and easy to install and operate design provides peace of mind that it works right when it’s needed most.
Reliability and safety of electrical systems have never been more important. Ronk's American designed and assembled products are durable, efficient and last for decades.