Mitsubishi Electric: Provide variable frequency inverters. Models including: ZT-0.6SA-904, ZT-1.2SA-904, FR-F 740, FR-E 500, FR-B3-H3700, E500, F700, E520, A740, F740, FVRG7S, FVR-055 G75-2, Freqrol-Z024-2.2K, NYA120, XB357VFB...etc. (MODEL RANGE: S500E series, E500 series, F700 series, A560 series, A700 series, V500 series...etc.)