Meet the ADX Series Smart Phase Converter This high performance digital rotary phase converter uses current control technology to provide consistent torque while starting high inertia and extremely hard starting loads. Yet, is precise enough for CNC applications. Best for high Inertia/friction loads such as pumps, fans, compressors, blowers, dust collectors and fly wheels, and more, you can be sure the ADX will protect your equipment while delivering the optimal three-phase power you need. Learn