Schneider Electric Altivar 320 ATV320U55N4B Variable Speed Drive 5.5 kW, 7.5 HP March 9, 2024 No comments Article Schneider Electric Altivar 320 ATV320U55N4B Variable Speed Drive 5.5 kW, 7.5 HP. This is brand new and sealed in the box. The open box pictures are of one that was opened for pictures. You will receive a brand new and sealed unit. Categories: schneider