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Three Phase

Three-Phase UPS Systems


Some of the benefits offered with the SBS line of three-phase systems include:

  • Intelligent power module (IPM) thansistors
  • Insulated gate bipolar transistors (IGBT) in rectifier and inverter sections
  • Low input currrent harmonics (THD)
  • Unity input power factor
  • High efficiency/low heat loss
  • Zero internal make-before-break maintenance bypass switch (MBP)
  • Automatic restart
  • Automatic retransfer
  • Converter walk-in function
  • Battery temperature compensation
  • Adjustable DC cutoff
  • 2-year on-site bumper-to-bumper warranty
  • Parallel able (without the use of parallel cabinets)
  • Coated control boards (industrial environments)
 Major Brands Available:
  • Eaton Powerware
  • Emerson Liebert
  • General Electric
  • Mitsubishi
  • Toshiba
  • SBS custom solutions


SBS provides on-site and depot service, as well as maintenance agreements (PM) to keep your 3-phase UPS systems in proper working order.


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View single-phase UPS systems

UPS systems and service by SBS