device: 7SS85 busbar protection 6 zones, 6 fields included, T rAbb housing type: surface mounting; BI: 39; BO: 30 (3ST + 27F + 0HS + 0P); I: 24 (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''; modules in 19" row 1: IO 203, PS201, IO203, IO203, IO23 2, PS204; modules in 19" row 2: ; LEDs/push-buttons: 8 push-buttons /LEDs(NE)+48 LEDs; operation panel: integrated; key switch: with; display type: large display; front design: standard;