Phase Technologies is a power electronics manufacturer founded in 1999 and headquartered in Rapid City, South Dakota. The company designs and builds its products in a 225,000-square-foot manufacturing facility, producing most key components in-house, including PCBs, wire assemblies, magnetics, and enclosures. Its technical focus spans digital phase conversion, variable frequency drives (VFDs), Active Front End technology, industrial telemetry, and connectivity IoT.
The company's product line includes the Phase Perfect® Digital Phase Converter, described as the world's first digital phase converter and a significant advancement in phase conversion technology. It also manufactures VFDs with Active Front End technology, the Phase Connect industrial telemetry and IoT product, and custom-engineered control panels. These products serve industries such as irrigation, water pumping, HVAC, and oil & gas.
Phase Technologies maintains what it describes as the industry's fastest lead times. All design and manufacturing is conducted in the United States.






