Variable speed drive ATV320...W/ATV320...WS 0.18 kW, 200...240 V, single phase;variable speed drive ATV320...W/ATV320...WS 0.75 kW, 380...500 V, three phase;variable speed drive ATV320...W/ATV320...WS 1.1 kW, 380...500 V, three phase;variable speed drive A