According to individual user requirements, Cleangrad offers various kinds of interlocking-systems.


‘Green’ interlocking system controls movement of users thru system of doors, with visual and auditory signals (red light, green light, alarm signal).


In addition to visual and auditory signals, the ‘Red’ interlocking system mechanically prevents unwanted movement of users within the system.



  • Interlocking- box
  • electric locks / electromagnetic locks
  • sensor open / close
  • door control plates with buttons and light signals