Power AC pumps from solar systems with super efficiency. Versatile, high-performance microprocessor controlled, variable speed motor controller for solar powered pumping operations using standard off-the-shelf pumps with 3 phase or 3 wire single phase AC motors - NO MORE WAITING FOR YOUR SOLAR PUMP! The USPC 2000 will operate ANY AC pump motors from 1/2 HP to 2 HP at any standard voltage - 115, 208, 230 VAC, 50 or 60 HERTZ. USPC 5000 also available for up to 5 HP AC motors.