Schneider Electric ATV320U55N4B Variable Frequency Drive

Schneider Electric ATV320U55N4B is a compact Altivar Machine ATV320 three‑phase variable‑frequency drive rated at 5.5 kW (7.5 HP) for 380–500 V AC, designed for precise speed control of demanding motor loads. This book‑form drive supports asynchronous and synchronous motors, including IE2, IE3 and PM motors, and provides a 0–10 V analog control input with nine programmable signals for flexible automation. With IP20 protection and operation on 50/60 Hz power, it is optimized for ventilation and pumping applications, where energy savings of up to 30% are possible in properly configured setups. The unit draws about 14.3 A at 5.5 kW on a 380–500 V three‑phase supply, and offers advanced connectivity to simplify installation in retrofit or new builds.