Auto Throw Over Systems

Auto Throw Over Systems

Automatic Throw Over schemes provide automatic selection of available utility or generator sources to maintain service continuity to connected loads.

 
  ATO Schemes  
 
 
  Advantages  
 
 
  Transfer Utility Controllers  

Square D Engineering Services provide simple power reliability solutions to extremely sophisticated advanced automatic throw over schemes that include system integration to retrofit power systems with controls for automatic switching between Utility or Generator sources or Generator Paralleling. 

  • Utility Main-Tie-Main, Main-Main
  • Open Transition
  • Synchronized momentary open transition
  • Utility-Generator schemes
  • Momentary Closed Transition
  • Extended Closed Transition (ramped load control)
  • Maintained Parallel (import/export control)