The AFX933H series 400Hz Static Frequency Converter adopts special technology and high-frequency electric switch change technology. It is specially used for aviation and military electric equipment, such as aircraft and its carried equipment, radar, navigation, and so on. It is the substitute of the unit frequency conversion power supply. There are ±20% adjustment in voltage and frequency; also it is applied to laboratory and product line as debugging power supply. This series product is available from 10KVA to 300KVA capacities