... loadMainfeaturesswitching frequency20kHzPower factor>0.93 (full load)efficiency>90%(full load)cooling methodWater cooling/forced air coolingMechanical ... 's benefits to userReliabilityHigh, running 24 hours a day, for sapphire crystal growth could last for more ... inside components and control board, upgrade reliabilityEfficiencyHigh, above 90% for 15V output rectifierSave running cost (electricity cost), ...