device: 7SS85 busbar protection 2 zones, 4 fields included, T rAbb housing type: flush mounting; BI: 91; BO: 87 (67ST + 20F + 0HS + 0P); I: 40 (protection); U: 0 ( standard); measuring transducer inputs: 0 (20 m A or 10 V, fast), 0 (20 m A, normal); housing width: 2 x 19"; modules in 19" row 1: IO 203, PS201, IO203, IO203, IO20 3, IO203; modules in 19" row 2: PS 203, IO205, IO205, IO205, IO20 7, IO207; LEDs/push-buttons: 16 LEDs; operation panel: integrated; key switch: without; display type: small display;