Working with our Vertiv Sales team enables complex designs to be configured to your unique needs. If you are an organization seeking technical guidance on a large project, Vertiv can provide the support you require.

Learn More

Many customers work with a Vertiv reseller partner to buy Vertiv products for their IT applications. Partners have extensive training and experience, and are uniquely positioned to specify, sell and support entire IT and infrastructure solutions with Vertiv products.

Find a Reseller

Already know what you need? Want the convenience of online purchase and shipping? Certain categories of Vertiv products can be purchased through an online reseller.


Find a Reseller

Need help choosing a product? Speak with a highly qualified Vertiv Specialist who will help guide you to the solution that is right for you.



Contact a Vertiv Specialist

Need help choosing a product? Speak with a highly qualified Vertiv Specialist who will help guide you to the solution that is right for you.



Contact a Vertiv Specialist

Product Family

Liebert® TDU

The Liebert® (TDU) Transformer Distribution Unit is a transformer in a rack-tower enclosure with integral distribution and forced air cooling.

Get Brochure
Key Benefits
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 
Best Suited For:
  • Banking, Financial and Insurance
  • Education
  • Government
  • Healthcare
  • Retail and Wholesale
Tools & Selectors
Select, compare, or configure UPS systems and models
UPS Selector
Interactive product selector for single-phase UPS
UPS/Battery Upgrade Services
Explore options to maintain Liebert® GXT & Liebert® PSI UPS
Liebert® EXL S1 360 Interactive Experience
Visualize and explore key features and benefits of the Liebert® EXL S1 UPS

Model Specifications Overview
Vertiv™ Liebert® TDU - 3440W 120VAC | Step Down Transformer/Voltage Converter
3440VA / 3440W   208 VAC or 240 VAC (200/220/230 VAC acceptable)   120 VAC (100/110/115/127 VAC)   94%   3.4 in   16.9 in   22.6 in  
Vertiv™ Liebert® TDU - 4000W 120VAC |Step Down Transformer/Voltage Converter
4000VA / 4000W   208 VAC or 240 VAC (200/220/230 VAC acceptable)   120 VAC (100/110/115/127 VAC)   94%   3.4 in   16.9 in   22.6 in  
Vertiv™ Liebert® TDU - 5050W 120VAC | Step Down Transformer/Voltage Converter
5050VA / 5050W   208 VAC or 240 VAC (200/220/230 VAC acceptable)   120 VAC (100/110/115/127 VAC)   94%   3.4 in   16.9 in   22.6 in  

Benefits

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 

Features

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

Find Your Area Contact

Products Support Contacts

Showing contacts for Ohio, 43215, USA Change
Vertiv (Liebert Services)
+1 800 543 2378
610 Executive Campus Drive Westerville Ohio 43082 USA
Product areas of focus: Uninterruptible Power Supplies (UPS), Power Distribution, Thermal Management, Integrated Solutions, Racks and Containment
Partner Login

Language & Location