New combined main current trigger system for the protection of electrical installation parts against over loads (Machine-translation by Google Translate, not legally binding)

摘要

New combined main current release system for the protection of parts of electrical installations against overloads, characterized in that it contains a first main part that carries out the time trip independently of the current and a second main part that represents a thermal copy of the object to be protected, these two main parts acting on a common trigger mechanism and together with this are assembled in a single device. (Machine-translation by Google Translate, not legally binding)