Manufacturer: Siemens Type:Digital Input Module MNR: TXM1.8D Operating voltage: 24 V DC (21.5 … 26 V DC) No. of Digital input (DI): 8 Max. power consumption: 1.1 W Protection degree (Terminal base): IP20 Max. tightening torque: 0.6 Nm Operation temperature: -5 … 50°C Dimensions: 98 x 64 x 77.5 mm