device: 7UM85 generator protection housing type: flush mounting; BI: 57; BO : 74 (57ST + 17F + 0HS + 0P); I: 10 (protection) + 2 (sensitive); U: 11 (standard); measuring transducer inputs: 4 (20 m A or 10 V, fast), 0 (20 m A, normal); housing width: 1 x 19''; modules in 19" row 1: IO 208, PS201, IO210, IO214, IO23 1, IO231; modules in 19" row 2: ; LEDs/push-buttons: 32 LEDs; operation panel: integrated; key switch: without; display type: large display; front design: standard; auxiliary voltage: 60 V - 250 V DC, 100 V - 230 V AC;