UPS-3phase high frequency ,online type,LED display Product Description UPS High Frequency Online -3C series LED display (3C10K/15K/C20KVA) Key Features and Benefits: * High frequency * Three phase in, one ... /20KVA/14KW/240VDC,External. Bat. input: * 380V of three phase Output: * 220V of single phase Wave form: * Pure sine wave UPS-3phase high frequency ,online ...