12kw silent type generator air cooled Deutz engine: F2L912D alterator: stamford, leory somer,our brushless ... main standards, such as :GB/T2820,ISO8528,IEC34,VDE0875-NRated Power: 12kwRated voltage:400/230v, 440/254v, 220/127v, etc ... AVR automatic controlAltitude above sea level: ≤1000 metersAmbient air temperature: ≤40 centigradeRelative air humidity: ≤ 90%Controller system1.Standard control panel, ...