device: 7SS85 busbar protection 6 zones, 6 fields included, T rAbb housing type: flush mounting; BI: 71; BO: 79 (51ST + 28F + 0HS + 0P); I: 40 (protection); U: 8 ( 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, IO202; modules in 19" row 2: PS 203, IO202, IO205, IO205, IO20 5; LEDs/push-buttons: 16 LEDs; operation panel: integrated; key switch: without;