Auxiliary switches report the status of the main devices on which they are mounted. The DHi-S fault signaling auxiliary switches are suitable for circuit breakers of the DLS 6 series (h, hsl or i). They switch when triggered by overload or short circuit. Fault messages can be displayed using additional signaling devices. Properties: Auxiliary switch function for DLS 6, various contact designs available, small size (0.5 TE) complies with the requirements of IEC 60947-5-1, EN 60947-5-1 and VDE 0660-200, type of installation: to the right of the base device by clamping, quick fastening to the mounting rail, installation position as required, areas of application: These devices are suitable for querying the operating status of power supplies in residential and commercial buildings as well as industrial plants. Notes: The auxiliary switch does not affect the function of the base device.