Generac Smart Switch 100A Service Entranced Rated Automatic Transfer SwitchProduct Description 100A SERVICE ENTRANCED RATED AUTOMATIC TRANSFER SWITCHFeaturing 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. Product Feature Service Entrance RatedA service