device: 7SS85 busbar protection 2 zones, 4 fields included with standard version housing type : flush mounting; BI: 11; BO: 11 (3ST + 8F + 0HS + 0P); I: 15 (protection ) + 1 (sensitive); U: 0 (standard ); measuring transducer inputs: 0 (20 m A or 10 V, fast), 0 (20 m A, normal); housing width: 1/2 x 19''; modules in 19" row 1: IO 203, PS201, IO203; modules in 19" row 2: ; LEDs/push-buttons: 32 LEDs; operation panel: integrated; key switch: with; display type: large display; front design: standard; auxiliary voltage: 60 V - 250 V DC,