1. Series: Altivar Easy 310 (ATV310) 2. Model: ATV310HU55N4E 3. Power Rating: Heavy Duty: 5.5 kW (7.5 HP) Normal Duty: 7.5 kW (10 HP) 4. Input Voltage: 3-phase, 380–460 V AC 5. Output Frequency: 0.5 to 400 Hz 6. Maximum Output Current: Heavy Duty: 18.9 A for 60 seconds Normal Duty: 17.6 A for 60 seconds 7. Switching Frequency: Adjustable from 2 to 12 kHz 8. Control and Interface: Analog Inputs: 1 Analog Outputs: 1 Digital Inputs: 4 Digital Outputs: 3 Communication Interface: RS-485 9. Cooling Method: Integrated fan 10. Protection Rating: IP20