The 650V series inverters provide simple, no-fuss speed control of standard three-phase AC motors from 0.3 to 150 HP. Sensorless vector provides exceptional dynamic response. They are full of useful features including pre-programmed applications - all designed to simplify set-up, installation and operation. With the 650 series you are in control of your application immediately - no complicated set-up procedures, no confusing menu navigation: just quick and easy operation straight from the box.