Maxi-J D

(20 – 120 kVA)

The Maxi-J D series is the next generation UPS featuring high efficiency, a hot-swappable modular structure and N+X redundancy. With its industry leading 94% high efficiency, the Maxi-J D series delivers remarkably low total cost of ownership in terms of both capital expense and operation expense. With N+X module and system redundancy to guarantee reliability and availability, the Maxi-J D series sets a new milestone for UPS protection in mission critical applications.


  • Available from 20 to 480kVA (4 units x 120kVA in parallel).
  • Redundancy at module and system level.
  • Hot-swappable function ensures uninterrupted operations during maintenance.
  • Redundant auxiliary power and control circuit ensures higher reliability.
  • Built-in maintenance and static bypass switch.
  • USV-Anlage Maxi J D
  • USV Maxi J-D 20-120 kVA austauschbar
  • USV Maxi J-D 20-120 kVA Display
  • USV Maxi J-D 20-120 kVA mit Batterie
Lowest Total Cost Of Ownership

  • High input power factor (pf > 0.99) and low harmonic distortion (iTHD < 3%). Savings in installation costs.
  • Energy savings with maximum 94% high efficiency for lower operation costs.
  • Compatible with generator installation.


  • Modular design provides easy maintenance and scalability.
  • Multi-language LCD display.
  • Two smart slots and six programmable dry contact outputs.
  • Optional extended battery cabinet for longer backup time.