1、Efficient Cooling: This frequency converter uses a 24V DC cooling fan and an external aluminum cooling base to provide efficient heat dissipation; Double layer board design, three proof paint processing, low failure rate 2、User Friendly Design: The variable frequency drive features a high brightness red digital display to avoid misoperation; PC housing, fireproof and heat resisting; Fully enclosed wiring terminal to avoid electric shock 3、Wide Application: This frequency converter provides complete control ports and can be applied in conjunction with PLC and sensor for various automation equipment; Vector voltage control, has a wide range of application 4、PID Controller: This variable frequency drive has built in PID controller, making it suitable for situations that require constant voltage, constant temperature, constant tension open loop control, and closed loop control 5、Protective Functions: With overvoltage, undervoltage, current limit, overcurrent, overload, electronic thermal relay, click overheat, overvoltage stall, data guard, low frequency warning, soft start, protecting equipment and power grid