device: 6MU85 merging unit housing type: flush mounting; BI: 27; BO: 1 7 (3ST + 6F + 8HS + 0P); I: 4 (protection) + 4 (GIS_LPIT); U: 4 (standard) + 4 (GIS_LPIT); measuring transducer inputs: 0 (20 m A or 10 V, fast), 4 (20 m A, normal), 1 (temperature); housing width: 1 x 19'' + 1/3 x 19''; modules in 19" row 1: IO 240, PS201, IO202, IO209, IO20 9, IO218; modules in 19" row 2: PS 203, CB202; LEDs/push-buttons: 48 LEDs; operation panel: integrated; key switch: without; display type: large display; front design: standard;