Generac 400 Amp Service Rated 120/240-Volt Single Phase NEMA 3R Smart Transfer Switch

Generac Automatic Transfer Switches are designed for use with single phase generators that utilize Evolution or Nexus Controllers. The 100, 200 and 400 amp open transition switches are available in single phase in both service equipment rated and non-service equipment rated configurations. The 150 and 300 amp open transition switches are only available in a service rated equipment configuration.