The GPU-4090-CUP trailler mounted 400 Hz Ground Power Unit features a brushless revolving field generator skid unit.The unit meets U.S. and EURO emission standards, Tier 3 and Com 3.GENERATOR SPECIFICATIONS400 Hz 115/200 volts nominal, +/- 15% adjustable, 3 phases, 4 wire wye-connected, grounded neutral, revolving field, brushless, self-cooling, single bearing, brushless rotating rectifier assembly, directly connected to the engine.
