Cummins Onan RSS Automatic Transfer Switch - RSS200 200Amp | A065M393In a compact, cost effective form, the RSS Automatic Transfer Switch combines dependability and versatility. For standby power systems in a home and small business applications, RSS switches are appropriate. RSS transfer switches monitor electrical power seven days a week, 24 hours a day. The controller tells the generator to start when the utility power is no longer enough or fails, after which the load is switched to the generator. The transfer