device: 6MU85 merging unit housing type: flush mounting; BI: 35; BO: 2 3 (11ST + 12F + 0HS + 0P); I: 4 (protection) + 4 (sensitive); U: 8 (standard); measuring transducer inputs: 0 (20 m A or 10 V, fast), 4 (20 m A, normal), 1 (temperature); housing width: 5/6 x 19''; modules in 19" row 1: IO 202, PS201, IO202, IO207, IO21 8; modules in 19" row 2: ; LEDs/push-buttons: 16 LEDs; operation panel: integrated; key switch: without; display type: large display; front design: standard; auxiliary voltage: 60 V-250 V DC, 100 V-230 V AC;