device: 7SX85 universal device housing type: flush mounting; BI: 87; BO: 53 (33ST + 20F + 0HS + 0P); I: 16 (protection); U: 8 (standard); measuring transducer inputs: 0 (20 m A or 10 V, fast), 0 (20 m A, normal); housing width: 1 x 19''; modules in 19" row 1: IO 203, PS201, IO208, IO208, IO23 0, IO231; modules in 19" row 2: ; LEDs/push-buttons: 48 LEDs; operation panel: integrated; key switch: with; display type: large display; front design: standard; auxiliary voltage: 60 V - 250 V DC, 100 V - 230 V AC; redundant power supply: no