These contacts signal the electrical circuit of the control panel maneuver, that the door is in the closed position and the locking contact of the locks indicates to the maneuver that, in addition to being closed, the door is locked mechanically and electrically.
These contacts signal the electrical circuit of the control panel maneuver, that the door is in the closed position and the locking contact of the locks indicates to the maneuver that, in addition to being closed, the door is locked mechanically and electrically.
Type 628 is a magnetically held double contact to adapt to manual lift car doors, maintains them closed, and electrically indicates that they are closed.