Model Range 118W ProFix® 1
The door can only be opened while a contact is made. In alternating current operation, a humming noise is audible. In direct current operation, there is no noise. When mounting with a throw-open spring or throw-open bolt, the door is opened visibly after a contact is made.
Adjustable keeper (FF, FaFix®), Mechanical unlocking (E), Fail-locked, Bi-directional diode