... RMS voltage, true RMS frequency, true RMS current, true power and power factor, IGBT module to reduce circuit complexity, PWM technology ... applications (47.63HZ), but also for communication, military, avionics, marine applicatin at 400HzModel MUA1103Capacity3KVATypeIBGT/SPWMCurrent LimitLow(L-N)L:25AHigh ... Pure and stable sine wave output 14 .Self test at power on Variable Frequency Power Supply