. The free-swinging function is activated by locking the arm when opening once
. Opening angle, depending on notch of the door: 85° - 115° (115° - 145° on request)
. External power supply 24 V DC, in order to connect to an external smoke detector
. Closing force, closing speed, back check and latching speed continously adjustable
. Head-mounting on hinge side, guiding rail on door leaf (optional)
. Adaptor profiles and axis extension for special structural conditions available