L72 – 400Hz Load Bank for Testing Ground Power Units


The L72 load bank is designed to provide a temporary load for field servicing and testing 200 volt 400Hz ground power generators and inverters. This load bank is air cooled and completely self contained. The load is selectable in 9KW steps from 0 to 72KW.


  • Eight three phase balanced load steps: 9KW, 18KW, 27KW, 36KW, 42KW, 54KW, 63KW, 72KW
  • Plug test pins for connecting test leads
  • 28V TR to provide voltage for interlock circuit
  • Standard A.C. aircraft receptacle
  • Meters: 0-250V voltmeter, 0-250A ammeter, 360-440Hz frequency meter
  • Power indicator lights
  • Phase rotation indicator
  • Thermal protection
  • E and F circuit indicator
  • Carrying case


  • Length: 22″
  • Width: 8″
  • Height: 11″
  • Weight: 34 Lbs.