Standard aircraft power requirements include 28VDC and 110VAC at 400Hz. GPU power is used for engine ignition, to start the APU, to check the safety functions of the aircraft before takeoff, and to ...

Ground power units Sold to various airports around the world. There are two main versions of GPU produced by Semidan: 28V and 400Hz. The mobile or stationary, semiconductor-controlled 28V GPU is ...

Failsafe Power is a specialist, independent manufacturer of solid-state 400Hz and 28VDC ground power units (GPUs) for aircraft use. The company also manufactures 400Hz converters for internal hangar ...

FCX: THE WORLD'S LEADING MANUFACTURER OF SOLID-STATE FREQUENCY CONVERTERS, GROUND POWER SUPPORT (GSE) AND CUSTOM POWER CONVERSION SOLUTIONS FO ...