This model has been phased out. MS300 series, Model VFD4A2MS43A is recommended as alternate.
Delta VFD015M43B - Variable Frequency Drive for controlling or adjusting speed of 2HP 3 phase motors
Sensorless Vector Micro AC Drive. The compact design is ideal for small and medium horsepower applications. The M drive is designed to provide an ultra-low-noise operation, and includes several innovative technologies that reduce interference.