device: 6MU85 merging unit housing type: surface mounting; BI: 3; BO: 3 (3ST + 0F + 0HS + 0P); I: 0 ( protection) + 8 (GIS_LPIT); U: 0 ( standard) + 8 (GIS_LPIT); 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 240, PS201, IO240; 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; auxiliary voltage: 60 V - 250 V DC, 100 V - 230 V AC;