Power Systems & Controls’ Series XC is a Hybrid Rotary Uninterruptible Power Supply (RUPS) system designed for “mission critical” facilities. It is available from 400 – 5,000kVA and combines the best features of both rotary isolation and high speed solid-state power stages into one solution for the ultimate in power protection. It is ideal for industrial, manufacturing, microchip production, and laboratory facilities because of its proven dependability, longevity, and electrical isolation. Hybrid Rotary UPS systems come in single modules, as well as, paralleled systems for complete N+X redundancy.


  • Industrial Facilities
  • Manufacturing Plants
  • U.S. Government Applications
  • Rail & Hydro Facilities
  • Sensitive Electronics
  • Test Lab & Research Centers
  • Microchip Production


  • 100% True Electrical Isolation
  • High Speed Digital Controls
  • Synchronous Motor & Generator
  • Large Color Touch Screen Interface
  • Low Maintenance Costs
  • Versatile Communications Platform
  • Long Life Design

The Series XC is a true motor generator, on-line, double conversion UPS, which will protect the critical load with 100% conditioned power 24/7. The motor-generator set absorbs load harmonics while producing a pure sine wave output, which are ideal benefits for any critical load. By operating the rectifier/charger and inverter in series as the primary power path, the Series XC Hybrid Rotary UPS continuously tests its most critical components under actual operating conditions. There is no delay, no transients, and no question when the utility source fails. Transfer to battery is seamless. Additionally, the reliability of those components to perform in a power outage is constantly being verified allowing for proper trending and analysis.

Also by providing a physical air gap between the load and the utility source, the motor-generator set protects the critical load from high power transients, including lightning. This electrical isolation is only possible because the motor and generator are distinctly separate with their own carefully grounded frames, which are tied together mechanically through precise coupling. This mechanical separation is the only way to electrically separate the utility from the load.

PS&C’s hybrid rotary uninterruptible power supplies have an interactive color touch screen display reflecting important system information. This gives the user complete control over their hybrid rotary UPS in both monitoring and control. When requested this important information can be incorporated directly into SCADA and other building management systems allowing for seamless dissemination of vital information. Additionally, the greater reliability of the Series XC hybrid rotary UPS significantly reduces the cost of ownership and virtually eliminates costly power disruptions. There are also numerous options available ranging from advanced remote communications/controls to customized ISO enclosures for special applications.