CSVS filter state controller (19 to 30V, DC). 4 connections for sensors and thermal hubs (for network expansion to up to 256 sensors). Potential-free relay contact 5A SPST For implementing alarms in the event of overheating, completely dirty filters, defective or worn fans and other events. Analogue contact (V+ V-) 0 to 10V, signal shows the degree of contamination of the filter from 0 to 100%. Dimensions 80x80x41mm. Operating temperature -40 to +70°C. Shows all data relevant for maintenance directly in the display on the control cabinet, or can be linked to a PLC, for example, to provide data for remote maintenance. For mounting on a top hat rail (7.5mm). For mounting in sheet metal (cutout in doors, side or rear walls), an installation frame (IP55) must also be ordered.