7UT6121-5EB30-1BA0

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, CURRENT TRANSFORMER: 1A SUPPLY VOLTAGE: DC 110V TO 250V, AC 115V/230V, TRIGGER LEVEL BINARY INPUT 88V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION WORLD, 50/60HZ, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B IEC 60870-5-103 PROTOCOL, 820NM FIBER, ST-PLUG, WITHOUT DIGSI 4/MODEM PORT BASIS MEASURED VALUES, FAULT RECORDING RESTRICTED EARTH FAULT LOW IMPEDANCE (87N) UMZ, 1-PHASE FOR RESTRICTED EARTH FAULT HIGH IMPEDANCE (87N WITHOUT RESISTOR AND VARISTOR) SENSITIVE OVERCURRENT-TIME PROTECTION/TANK PROTECTION (64) NEGATIVE SEQUENCE PROTECTION (46) BREAKER FAILURE PROTECTION (50BF) TRIP CIRCUIT SUPERVISION (74TC)