660V,690V,1140V, medium voltage frequency inverter 30KW-600KW ApplicationSuitable for high-end application ... with high precision, fast response, high torque, big inertia, potential load etc.Main featuresLCD keypad, English, Russian, French, German, Spanish and ... ~90%RH, non-condensingProtection ratingIP20Cooling modeForced air cooling FST-700 medium voltage fequency inverter