central rolling door and grille operator 
CONTROL PANEL DIAGRAM
Central gear motors are a cost effective  solution to motorize a rolling door or grille  system 
  • requires band spring balance shaft assembly
  • does not require any side space for extended shaft , tensioning wheel , or sprockets 
  • fitted with brake  system for secure locking in the closed position 
  • manual brake release cable allows for temporary  emergency operation  during power outage 
SELF CONTAINED SPACE SAVING ELECTRIC OPERATOR