device: 6MU85 merging unit housing type: surface mounting; BI: 83; BO: 5 1 (11ST + 36F + 4HS + 0P); I: 4 (protection); U: 0 (standard); product status: delivery release missing; 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 201, PS201, IO207, IO209, IO23 2, IO232; modules in 19" row 2: ; LEDs/push-buttons: 16 LEDs; operation panel: detached, width= 1/3 + 2.5 m cable; key switch: without; display type: no display; front design: standard;