... : 400 / 230V or 240/120V5) Frequency: 50 / 60Hz6) Protection: IP237) Insulation: H Specifications Engine: 1)Heavy load durable, four-stroke, water/air cooled ... :IP23Altitude:≤ 1000mExciter Type:Brushless, self-exciting Insulation Class, Temperature Rise:H/HTelephone Influence Factor (TIF):<50THF:<2%Voltage Regulation, Steady State ...