device: 7SS85 busbar protection 6 zones, 6 fields included housing type: flush mounting; BI: 39; BO: 39 (3ST + 36F + 0HS + 0P); I: 72 (protection); U: 0 (standard); measuring transducer inputs: 0 (20 m A or 10 V, fast), 0 (20 m A, normal); housing width: 1 x 19'' + 5/6 x 19''; modules in 19" row 1: IO 203, PS201, IO203, IO203, IO20 3, IO203; modules in 19" row 2: PS 203, IO203, IO203, IO203, IO20 3; LEDs/push-buttons: 48 LEDs; operation panel: integrated; key switch: without; display type: large display;