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Transformer Rectifier Units

As the world’s leading supplier of Transformer Rectifier Units (TRUs) for commercial aircraft, ELDEC offers you field-proven, exceptionally reliable solutions. We have thousands of TRUs in the field for a wide variety of aircraft programs. Sized from 20 to 400 amps, ELDEC TRUs give you the features you can count on:

 

 

  • Unregulated configurations for simplicity and reliability
  • Regulated  configurations with tight voltage control
  • Options for free, forced or fan cooling
  • Long-life field-proven fan
  • Clean output power ensuring compatibility with avionics loads
  • Availability of thermal sensor trip and fan fail signal
  • Clean input power with low harmonic distortion

 

Let us help you determine the best TRU for your application. Check the list below for technical details on our current production products or use the Ask the Expert button on the left.

 

Examples of Transformer Rectifier Units

Click on the Part Number to see the Data Sheet, then press your Browser's Back button to return to this page.

 

Output Part Number Application
Amps Vdc
50 12 8-943 747-400, 777
65 28 2-299 727, 737
75 28 2-418 747, L1011
75 28 4-007 MD-10, MD-11
120 28 4-273 757, 767, 777
125 28 81-014 S-92, KC-135
150 28 8-889 Global Express® Business Jet, KC-10
200 28 4-055 UH-60/SH-60 Helicopter, KC-135
250 28 8-832 Gulfstream G - V Business Jet, VC-10
400 28 +/- 0.5
(regulated)
81-012 S-92