TRANSFORMER CURRENT MODIFIER MANUFACTURER NAME ABB PART NUMBER TPU 43.23 EQUIPMENT OF WHICH IT IS PART MEDIUM VOLTAGE SWITCHES ADDITIONAL CHARACTERISTICS MAXIMUM EQUIPMENT VOLTAGE UM UP TO 12KV NOMINAL PRIMARY CURRENT IN 1200A NOMINAL SECONDARY CURRENT I3 5A TRANSFORMATION RATIO 1200//5/5A TWO CORE WINDINGS SECONDARIES NOMINAL FREQUENCY 50HZ ALSO AVAILABLE IN 60HZ NOMINAL LOAD BURDEN 15VA ACCURACY CLASS 0.5 FOR MEASUREMENT THERMAL FACTOR 120 CONSTRUCTIVE CHARACTERISTICS INSULATION CAST EPOXY RESIN PRIMARY TYPE SINGLE TURN FOR CURRENTS UP TO 1250A DIMENSIONS BODY LENGTH 148MM DIN STANDARD PRIMARY TERMINALS WITHOUT PRIMARY RECONNECTION WITH RIBS FOR GREATER LEAKAGE DISTANCE LEAKAGE DISTANCE 214MM APPROXIMATE WEIGHT BETWEEN 29 AND 37KG MECHANICAL STRENGTH CANTILEVER 5KN MOUNTING THE TRANSFORMER CAN BE MOUNTED IN ANY POSITION GROUNDING HAS AN M8 GROUND TERMINAL ON THE BASE PLATE ENSURE THAT ONE TERMINAL OF EACH SECONDARY WINDING USED IS CONNECTED TO GROUND RECOMMENDED TORQUES M5 SECONDARIES 2.8-3.5NM M12 PRIMARIES 56-70NM M8 GROUND 16-20NM