Quick-fastening device

摘要

A description is given of a quick-fastening device for fixing an installation unit on a carrying-rail configuration. The carrying-rail configuration has a carrier plate and a hat-profile rail. Integrally formed on the carrier plate is a resilient snap-action hook with a nose that is oriented in the direction of the hat-profile carrying rail and is snapped into one depression on the narrow side wall of the installation unit.