Device: 7UT86 three-winding transformer protection with standard variant Housing type: flush-mounted; BI: 11; BO: 18 (6ST + 12F + 0HS + 0P); I: 12 (protection); U: 4 (standard); Transmitter inputs: 0 (20 mA or 10 V, fast), 0 (20 mA, normal); Housing width: 1/2 x 19''; 19" bay unit 1: IO 203, PS201, IO208; 19" bay unit 2:; LEDs/pushbuttons: 16 LEDs; Operating panel: integrated; Key switch: without; Display type: small display; Front design: standard; Auxiliary voltage: DC 60 V ... 250 V, AC 100 ... 230 V