1、EFFICIENT COOLING SOLUTION: Equipped with a large heat sink and small fan, helps with good heat dissipation, with low noise. 2、SMART DIGITAL DISPLAY: The frequency inverter comes with an intelligent digital display, clear and intuitive, better for control and monitoring. 3、USER FRIENDLY: The frequency converter adopts user friendly keyboard, with reasonable layout, convenient for operation. 4、EASY REMOTE CONTROL: The detachable design of this variable frequency drive enables convenient remote control operation. 5、WIDE APPLICATION: Suitable for use in various industrial applications such as CNC routers, milling machines, drilling machines, wing spreaders. Item Type: Variable Frequency Drive Material: Aluminum alloy, PC flame retardant Model: JLS B 4T 4.0GB 5.5PB Input Current: 10.5A 14.6A Output Current: 9.0A 13.0A Adaptive Motor Power: 4.0KW 5.5KW Surrounding 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 droplets Surrounding 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 increase Protection Grade: IP20 Cooling Method: Air cooled, with fan control Typical Functions: Multi Speed: 16 programmable multi speed control, multiple operation modes available Swing Frequency Operation: Preset frequency, center frequency adjustable, state memory and recovery after power outage 1 x Variable Frequency Drive 1 x User Manual