Sub-micro AC DrivesTeco FM50 series sub-micro AC drives are available ¼ to 3 hp, 115 Vac/230 Vac single or three-phase input with 230 Vac or 460 Vac three-phase output. The 115 V and 230 V single-phase input models can be used in industrial applications using two-wire, single-phase input power, while providing three-phase output for motor power.