Universal Efficient Variable Frequency Converter 3.7kw 5.5kva For Air Compressor

Universal Efficient 3.7kw 5.5kva For Air Compressor Variable Frequency Converter Production Details: High Performance Current-Vector Frequency Inverter Current Locked protective design. Efficient and energy saving. Stepless speed regulation. Self-learning function. Wide working voltage, can be used in low voltage applications. Perfect protection function can realize the overvoltage, undervoltage, overheating, overload, lack of phase, external fault, over-current protection,