The Powtran PI550-075G3 is a high-performance industrial three-phase to three-phase vector control frequency inverter designed for demanding applications with a power rating of ~75 kW. It accepts a 3-phase AC input in the range 380 V-440 V and provides a regulated three-phase AC output, offering precision motor speed and torque control for heavy-duty equipment such as pumps, fans, conveyors, mixers, compressors, and large industrial motors.

Key Specifications & Features:

• Brand: Powtran

• Model: PI550 Series, 075G3 variant. Some vendor data list it as “PI550 075G3 75 kW 380-415 V” which aligns with the 380-440 V input rating. 

• Rated Output Power: ~ 75 kW

• Input Voltage: AC 3-phase 380 V (-15%) to 440 V (+10%) (standard for the PI550 3-phase 380V line) 

• Input/Output: 3-phase in / 3-phase out

• Control Methods: Vector control (DSP-based), V/F control, high bandwidth PWM, built-in advanced features for industrial use. 

• Built-in Functions: Multi-speed setting, built-in PID, communication interface options (RS485/Modbus etc) 

• Environment / Derating: Standard ambient up to +40 °C; above that derating applies. (As per standard PI550 series spec) 

• Use Case: Ideal for industrial motor drive tasks requiring reliable performance at 75 kW power range with 380-440 V supply.

Installation & Usage Notes:

• Ensure the inverter is mounted with proper ventilation and clearance as per the manufacturer’s manual.

• The supply voltage should be stable and within the 380-440 V range; phase balance and quality are important to avoid derating or faults.

• Program motor parameters accurately (voltage, current, pole count) for full vector control performance.

• Use shielded motor cable and proper grounding to minimize EMI and leakage current issues.

• If ambient temperature exceeds 40 °C or if altitude is high, consult the manual for derating factors and perhaps additional cooling.

• If the variant includes external options (brake unit, DC reactor, filter) ensure compatibility and correct sizing.