Housing size 3 AP for door station stainless steel ONE. Surface-mounted housing for door station made of aluminum for wall mounting. Housing consisting of aluminum profile with die-cast zinc end element at the top and bottom. Profile with rear cable feed-through and 4 long holes for adjustment and fastening. Die-cast zinc elements with integrated locking spring mechanism for screwless fastening of a door station. Unlocking of the built-in front panels is only possible with special tools (vandal protection). All visible elements are powder-coated black.