The DSS SWITCHES are first and foremost a Disconnect switch. What makes the disconnects so useful is the generator standby input. Simply connect generator to enable homeowner to run their HVAC system during power outages. Initially designed for mini splits / ductless systems which are extremely efficient. The switches also include indicator lights to notify the user when their utilities power or generator are active.
Full home generators are costly and often not permitted or face zero lot line challenges. The DSS switch circumvents the main panel for a single circuit appliance like an AC or Refrigerator run independently on a generator.