Liebert TDU-3500RTL620

Liebert TDU-3500RTL620 | FrontView
Liebert TDU-3500RTL620 | RearView
Liebert TDU-3500RTL620 | LeftSideView

The Liebert TDU-3500RTL620 is a step-down transformer in a 2U rack-tower enclosure that provides 120 VAC nominal output. It includes integral power output distribution and forced air cooling.


  • Designed to work with the Liebert GXT3/GXT4 6000RTL630/3000RT208 and PSI5-5000RT208 model UPS
  • Provides continuous use divided equally between two outlet groups
  • Unit accepts either 208 or 240 VAC input and provides 120 VAC (L-N) output
  • Incorporates a voltage selector switch for the user to select appropriate input voltage (208 or 240)
  • Optional feet for tower configuration


  • Delivers 120VAC power to support critical IT infrastructure
  • Offers 120V load support for 208V only UPS operation
  • Designed to accommodate a range of input voltages
  • Has input selection for 240VAC or 208VAC operation
  • Energy efficient with its AC-AC efficiency of 94%
  • Meets agency standards for safety, RFI/EMI, environmental and transportation
  • Simple and quick installation in all standard racks or cabinets with included mounting brackets

Brochures and Data Sheets

Specification Documentation