Explore our high-performance Rotary Phase Converter Control Panels, designed for safe, efficient startup and voltage balancing in rotary phase converter systems. What is a Single Phase to 3 Phase Rotary Phase Converter? It’s a solution that powers three-phase equipment from a single-phase source, and our control panels are essential for custom setups using your own idler motor. Built in the USA with premium components, these panels ensure reliable operation, long service life, and easy integration into your existing infrastructure.