1、This VFD uses unique control method to realize high torque, high accuracy and wide speed regulating range driving, with high performance. 2、It has good anti-trip performance and ability to adapt to rough power, temperature, humidity and dust interference, greatly improved stability. 3、By optimizing PWM control technology and electromagnetic compatibility, it satisfies users' requirement of low noise, low electromagnetic interference. 4、Over current, over voltage, over heat, overload, under voltage, intelligent power module protection. 5、Simple to operate and wire. Fast start and stop response, large torque at low speed. Description: This Variable Frequency Drive is made of high quality shell material, heat resistant and flame retardant. Humanized keyboard design, easy to operate. Digital display screen makes it convenient to read clearly. High efficient fan has the best heat dissipation effect. Features: This VFD uses unique control method to realize high torque, high accuracy and wide speed regulating range driving, with high performance. It has good anti-trip performance 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. Over current, over voltage, over heat, overload, under voltage, intelligent power module protection. Simple to operate and wire. Fast start and stop response, large torque at low speed. Specification: Model: AT3-1500X Application range: Universal Power supply phase: Three phase Rated  current: 4A Rated voltage: AC380V(three phase) Suitable motor power: 1.5kW Filter: Built-in Filter DC power supply: Voltage type Control method: V/F closed loop Output voltage adjustable method: PWM control Size: Approx. 18 x 12.5 x 12.5cm / 7 x 4.9 x 4.9inch Weight: 1431g Package List: 1 x Variable Frequency Drive Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.