device: 6MU85 merging unit with standard version housing type: surface mounting; BI: 33; BO: 24 (18ST + 6F + 0HS + 0P); I: 4 (protection); U: 4 (standard); measuring transducer inputs: 0 (20 m A or 10 V, fast), 0 (20 m A, normal); housing width: 5/6 x 19''; modules in 19" row 1: IO 202, PS201, IO206, IO207, PS20 4; modules in 19" row 2: ; LEDs/push-buttons: 32 LEDs; operation panel: integrated; key switch: with; display type: small display; front design: USA; auxiliary voltage: 60 V - 250 V DC, 100 V - 230 V AC;