Features: This VFD uses unique control method to realize high moment of force, high precision 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. Simple to operate and wire, connect to wires by screw terminals which are more convenient . Designed with large heat sink for better heat dissipation. Specifications: Model: AT2-0450X Application range: Universal Power supply phrase: Single phrase Rated current: 2.5A Rated voltage: AC 220V(single phrase) Power supply voltage: Low voltage Suitable motor power: 0.45kW Filter: Built-in filter DC power supply: Voltage type Control method: V/F open-loop Output voltage adjustable method: PWM control Size: Approx. 16.5 x 11.5 x 10cm / 6.4 x 4.5 x 3.9inch Quantity: 1pc Weight: 1kg(approx.) Note: When adjusting parameter, the VFD must stop working, otherwise it will not be able to save parameter setting. Package Includes: 1 x Variable Frequency Drive .