20HZ FREQUENCY GENERATOR – 7XT3300-0BA00 MANUFACTURER: SIEMENS CODE: 7XT3300-0BA00 20 HZ FREQUENCY GENERATOR FOR GROUND FAULT 100% PROTECTION THE 20 HZ FREQUENCY GENERATOR CREATES A 20 HZ SQUARE WAVE VOLTAGE WITH AN AMPLITUDE OF APPROX. 25V. THIS VOLTAGE IS CONNECTED VIA THE BANDPASS AND A LOAD RESISTOR TO THE GENERATOR STATOR CIRCUIT. THE FREQUENCY GENERATOR IS CONNECTED (THREE PHASE) TO THE VOLTAGE TRANSFORMER. ALTERNATIVELY A POWER SUPPLY FROM THE STATION’S BATTERY (100.220V DC) IS POSSIBLE. MAX. THE PROCESSING OF THE MEASURED VALUE OF THE SUPPORT CONSUMPTION.APPROX.80VA WILL BE DONE BY 7UM515 IN 7XP20.