7UT6121-5BB00-1AA0 - Siemens
DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR AND SHORT CABLE 4-LINE ALPHANUM.BACKLIT DISPLAY 7 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, CASE 1/3 X 19", 3BI, 4BO, 1 WATCHDOG CONTACT, 7I, IEE, SURFACE MOUNTING CASE, TERMINALS ON TOP AND BOTTOM CURRENT TRANSFORMER: 1A SUPPLY VOLTAGE:DC 110V TO 250V, AC 115V/230V, TRIGGER LEVEL BINARY INPUT 88V REGION WORLD, 50/60HZ, IEC/ANSI, LANGUAGE...