Technical Parameters Parameter Specification Product Name Schneider Electric Altivar 61 Variable Frequency Drive Model ATV61HD15N4Z Drive Type Variable Frequency Drive (VFD) Application Pumping and ventilation machine control Rated Motor Power 15 kW (20 HP) at 380…480 V AC Supply Voltage 380…480 V AC (‑15%…+10%) Supply Phase 3‑phase Supply Frequency 50…60 Hz (47.5…63 Hz limits) Line Current ~48 A @ 380 V; ~39 A @ 480 V (15 kW) Apparent Power ~31.6 kVA @ 380 V EMC Filter Integrated Level 3 EMC filter Output Frequency Range ~0.1…599 Hz Nominal Switching Frequency 12 kHz Switching Frequency Range 1…16 kHz (adjustable; derating above 12 kHz) Maximum Transient Current ~39.6 A for 60 s Maximum Prospective Line Isc ~22 kA Control Methods Voltage/Frequency (2‑point, 5‑point, quadratic U/f); Sensorless flux vector Torque Performance ~130% nominal motor torque (60 s) Braking Torque ≤125% with braking resistor; 30% without Communication Protocols Modbus; CANopen Enclosure Protection IP20 (standard) Assembly Style With heatsink Ambient Operating Temp ~‐10…50 °C (without derating) Motor Types Supported Asynchronous motors; synchronous motors Typical Applications Pumps, fans, HVAC, industrial ventilation