device: 7SS85 busbar protection 2 zones, 4 fields included housing type: flush mounting; BI: 51; BO: 47 (19ST + 28F + 0HS + 0P); I: 24 (protection); U: 4 (standard); measuring transducer inputs: 0 (20 m A or 10 V, fast), 4 (20 m A, normal); housing width: 1 x 19'' + 1/2 x 19''; modules in 19" row 1: IO 203, PS201, IO201, IO201, IO20 1, IO202; modules in 19" row 2: PS 203, IO205, CB202; LEDs/push-buttons: 16 LEDs; operation panel: integrated; key switch: without; display type: large display; front design: standard;