device: 7SX85 universal device housing type: flush mounting; BI: 13; BO: 21 (13ST + 8F + 0HS + 0P); I: 3 (protection) + 1 (sensitive); U: 4 (standard); measuring transducer inputs: 0 (20 m A or 10 V, fast), 0 (20 m A, normal); housing width: 1/2 x 19''; modules in 19" row 1: IO 208, PS201, IO206; modules in 19" row 2: ; LEDs/push-buttons: 32 LEDs; operation panel: integrated; key switch: without; display type: large display; front design: standard; auxiliary voltage: 24 V - 48 V DC ; redundant power supply: no