Alternative escape door-control system for e.g. balcony door, has housing comprising closing contacts and pin for releasing alarm by contact interruption or close-down during opening of door

摘要

The system has a housing (1) that is attached to an escape door, where the housing comprises closing contacts (2 power 2) and a pin (3) for releasing an alarm by contact interruption or close-down during opening of door. A contact spring is provided in an immersing slot. The system consists of functions such as audio signaling function, lamp controlling function and alarm transmission function via radio communication or potential free connection of a center.