HIGH VOLTAGE BAY CONTROL UNIT SIPROTEC 4 RELAY HOUSING SIZE 1/1 7XP20 COMPONENTS: PROCESSOR MODULE WITH POWER SUPPLY INPUT/OUTPUT MODULES WITH: 65 SINGLE-POINT INDICATIONS 42 1-POLE SINGLE COMMANDS 3 SINGLE COMMAND TO COMMON POTENTIAL 1 LIVE CONTACT, APPLICABLE AS NO CONTACT OR NC CONTACT, 3 X CURRENT, 4 X VOLTAGE VIA DIRECT C.T. INPUTS 2 MEASURING TRANSDUCER INPUTS CURRENT TRANSFORMER 1A AUXILIARY VOLTAGE 110V DC THRESHOLD BINARY INPUT 88V FLUSH-MOUNTING HOUSING, WITH INTEGRATED LOCAL OPERATION BACKGROUND ILLUMINATED GRAPHIC DISPLAY, 14 PROGRAMMABLE LEDS, KEY-OPERATED SWITCHES, CONTROL KEYS, NAVIGATION KEYS, FUNCTION KEYS, NUMERICAL BLOCK, SCREW-TYPE TERMINALS (DIRECT CONNECTION/ RING CABLE LUGS) REGION WORLD, 50/60HZ LANGUAGE: ENGLISH (LANGUAGE CAN BE CHANGED) IEC 61850, 100 MBIT ETHERNET WITH INTEGRATED SWITCH OPTICAL, DOUBLE, LC-CONNECTOR (FROM OCT. 09) . WITH MEASURED-VALUE PROCESSING AND -DISPLAY WITH SYNCHRONIZATION WITHOUT PROTECTION FUNCTIONS