Limit running current automatically to avoid frequent over-current which will cause trip Optimize V/F curve automatically based on the load to realize power save runningĬan keep constant output voltage when power source voltage varies. 10 hp variable frequency drive, three phase 220V /440V /480V ☑5%, IP20 enclosure.ģ phase 220V /440V /480V AC ☑5% (Optional)ġ50% of rated current for 1 minute, 180% of rated current for 3 secondsĪutomatic torque boost, manual torque boost 0.1%~30.0%