Abstract: A safety lock out switch system for the prevention of an unexpected restart of an electrically powered machine in whose main power circuit it is installed. Therein the power-free status of the power supply output of the system is confirmed visually. The system is configured so it is flexible, thus being able to be used in the most various types or sizes of machines. Technical aspects and safety aspects were taken into account therein so that the installation can be carried out in practically every country in the world.
Type:
Grant
Filed:
March 6, 2002
Date of Patent:
August 17, 2004
Assignees:
Pilz GmbH & Company, Moeller GmbH
Inventors:
William Edward Anderson, Donald Louis Wires, Jürgen Behrens, Claude Hovine, Gernot Müsseler, Rolf Dickhoff, Winfried Gräf, Udo Ratey