... etc.Alternator: Stamford, Leroy Somer, Marathon, and our HY brand brushless alternators TFW and STC1) Insulation class: Class H2) Voltage: 400V / 230V, 380V / 220V ... temperature, high oil temperature, low oil pressure, over speed and low battery conditions.Machine picture: Factory certificate and workshop : Weichai genset with ISO and CE