Door release keyswitch, External Lock Override

Door release keyswitch, External Lock Override

 

  •  key switch is an emergency switch button with a special mechanical key for emergency situations. Simple design, exquisite and elegant stainless steel panel.
  • Stainless steel shell, safe and durable
  • Tested to 500,000 cycles
  • Defend and duplicate the key, safe to use
  • Three contact output, suitable for all kinds of the locks