MULTIPLE CONTROL: With 8 stage programmable, multiple stage speed control, a variety of operation modes are optional, with simple PLC operation, optional speed control mode. ANALOG INPUT OUTPUT: The motor frequency converter comes with standard RS485 RTU mode, with a variety of analog input and output: 0-5V and 0-10V, 4-20mA and 0-20mA. HIGH PERFORMANCE: Adopt PID control, wind pressure constant pressure control, which is energy saving, has low noise and low electromagnetic interference. MULTIPLE FUNCTION: The governor has multiple motor protection methods and stepless speed regulation, low frequency and high torsion, energy saving and power saving. GOOD PROTECTION: Overcurrent, overvoltage and undervoltage, module failure, overheating, short circuit, input and output lack and other protections. Item Type: Frequency Converter Model: AT904-5.5KW Input Voltage: Single Phase 220VAC 50/60Hz Output Voltage: 3 Phase 0-380VAC 0-400Hz Maximum Output Current: 30A Suitable Motor Power: 5.5KW (8HP) Filter: Built in Filter Application: Universal DC Power Supply Property: Voltage Type Control Mode: V/F Open Loop Output Voltage Regulation Mode: PWM Control Appearance: ABS Plastic Shell Product Size: Approx. 25 x 18 x 16.5cm / 9.8 x 7.1 x 6.5in (manual measurement has a certain error) Uses: Control the start, stop, speed regulation and forward and reverse rotation of the motor to meet the conditions required for production or equipment use, widely used in fans, pumps, air compressors, etc. 1 x Frequency Converter. 1 x User Manual. Select a compatible motor to use, you must choose a 380V 3 phase motor with a power less than 5.5KW and adjustable speed. According to the wiring method of the user manual, connect the power supply and the 3 phase motor. Select the appropriate operation mode according to the needs of the application scenario, and refer to the manual for mode selection. Power on, the speed of the motor and forward and reverse rotation can be adjusted according to the knob on the panel. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.