TECHNICAL FEATURES - Made to easily verify the visual and electrical position of each valve even from long distances. - Built according to VDI / VDE 3845 standards. (EN15714-3) - It can contain two limit switches either mechanical "SPDT" or proximity. - The cam of limit switch cannot slide since their regulation or other tools. - The pre-wiring is realized means of numbered terminals: n° 6 for the two microswitches, and extra poles for eventual solenoid wiring (see wiring diagrams). - N. 1 threaded electrical connection for cable gland - Operating temperature: from -20°C to +80°C. - Protection rate: IP65 (IP 67 on request).