Feature 1EFFICIENT COOLING SOLUTION: Equipped with a large heat sink and small fan, helps with good heat dissipation, with low noise. 2SMART DIGITAL DISPLAY: The frequency inverter comes with an intelligent digital display, clear and intuitive, better for control and monitoring. 3USER FRIENDLY: The frequency converter adopts user friendly keyboard, with reasonable layout, convenient for operation. 4EASY REMOTE CONTROL: The detachable design of this variable frequency drive enables convenient remote control operation. 5WIDE APPLICATION: Suitable for use in various industrial applications such as CNC routers, milling machines, drilling machines, wing spreaders.Item Type: Variable Frequency DriveMaterial: Aluminum alloy, PC flame retardantModel: JLS B 4T 4.0GB 5.5PBInput Voltage: 3PH AC380V 50 60HzOutput Voltage: 3PH AC380V 0-320HzInput Current: 10.5A 14.6AOutput Current: 9.0A 13.0AAdaptive Motor Power: 4.0KW 5.5KWSurrounding Temperature: -10 to +40 (ambient temperature is between 40 to 50, please reduce the rating for use)Surrounding Humidity: 5% to 95% RH, no condensation of water dropletsSurrounding Environment: Indoor (without direct sunlight, corrosion, flammable gases, oil mist, stain, etc.)Altitude: Derated for use above 1000 meters, derated by 10% for every 1000 meter increaseProtection Grade: IP20Cooling Method: Air cooled, with fan controlTypical Functions:Multi Speed: 16 programmable multi speed control, multiple operation modes availableSwing Frequency Operation: Preset frequency, center frequency adjustable, state memory and recovery after power outagePID Control RS485 Communication: Built in PID controller (with preset frequency). Standard configuration RS485 communication function, multiple communication protocols optional, with linkage synchronization control function .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Variable Frequency Drive1 x User Manual