... Rated Frequency: 50/60HZ Variation Frequency: 47~63Hz3. Input current 1.6A mps max at any input voltage and rated, DC ... load9. Efficiency: 70% min at 115/230Vac input voltage, 1/4,1/2,3/4and full load calculation average efficiency.10. Short ... °C ,full load , normal operation. Storage Temperature: -20~80°C with package Relative Humidity: 5%(0°C) ~90%(40°C) RH ,72 ...