Schneider Electric ATV930U55Y6 Altivar Process ATV930 Variable Speed Drive 5.5kW/7.5hp 500V/690V IP00. This Altivar Process ATV900 variable speed drive can feed 3-phase synchronous and asynchronous power motors. It is suitable for motors with power rating up to 5.5kW/7.5HP for applications requiring slight overload (up to 120%).