... (Mosfet, IGBT etc. ) ensure the units working stable. 4. Specialized PCB design, reasonable product configuration makes the units with ... , computer, printer, display apparatus, duplicator, scanners, digital camera, digital pickup camera, etc.4> Home equipments: cleaner, fan, lighting, electric cutter, ... high voltage, please DO NOT operate with power on.4. Turn on the Inverter when short circuit is not ...