... ALTERNATOR Output :8.1KVA - 380KVA Certificate: CE ,UL ,SONCAP, CC IP23 ENCLOSURE the UL brushless power alternatorFrequency50HZ60HZVoltage400V440VSpeed1500RPM1800RPMPrime Output6.5KW/8.1KVA--3000KW ... MG1-22,IEC34,CSA C22.2-100 and ASB59 The UL brushless synchronous alternator