Generac Smart Switch 200 Amp Service Rated 120/240 1Ø NEMA 3R CUL Approved200A SERVICE ENTRANCE RATED AUTOMATIC TRANSFER SWITCH Featuring a NEMA 3R aluminum enclosure and Heavy Duty Generac Contactor, this Service Entrance switch is designed for use with single phase generators. Using the integrated load management technology, four individual HVAC loads can be managed with no additional accessories required. This switch features a 5 year limited warranty. FEATURES Intelligent Load ManagementManage up to four HVAC loads with