When the power goes off from the utility, the controller closes a dry contact to tell your generator controller to start. Once your generator is up to speed and the voltage is correct, the transfer switch switches to the generator power.
Fully automatic, no one needs to be there! You can save a lot by mounting the transfer switch in your own enclosure (Rittal, Hoffman, etc).
Included is the original wiring diagram manual. Please contact a qualified electrician to install, this unit switches lethal voltages. The item "200amp 120/240 volt automatic transfer switch" is in sale since Thursday, February 11, 2021. This item is in the category "Business & Industrial\Light Equipment & Tools\Transfer Switches".The seller is "roethe" and is located in Reedsville, Wisconsin. This item can be shipped to United States.