Features:This VFD uses unique control method to realize high moment of force,high precision and wide speed regulating range driving,with high .It has good anti-trip and ability to adapt to rough power,temperature,humidity and dust interference,greatly improved stability.By optimizing PWM control technology and electromagnetic compatibility,it satisfies users' requirement of low noise,low electromagnetic interference.Simple to operate and wire,connect to wires by screw terminals which are more convenient. Designed with cooling fan and large heat sink for better heat dissipation.Specifications:Model: AT3-2200XPower Source Phase: Three-phaseRated Voltage: Three-phase AC380VPower Supply Voltage: Low voltageSuitable Motor Power: 2.2kWFilter: Built-in filterDC Power Supply Type: Voltage typeControl Method: V/F closed loopOutput Voltage Adjusting Method: PWM controlRated Current: 6AProtection: Over-current,over-voltage,over-heat,under-voltage,short circuit protectionMax. Output Frequency: 400HzSize: 18*12.5*13cm/7.1*4.9*5.1inWeight: 1.4kg(approx.)Package Includes:1 x Variable Frequency DriveWhen adjusting parameter,the VFD must stop working,otherwise it will not be able to save parameter setting.We have commodity security services. If the product you received has quality problems, please feel free to contact us, we can provide you with a return service.