... ±4% (3-phase,4-lines)Frequency (Hz)50 or 60Adjusting time (s)≤3s when the input ... the output capacity shall be not more than 50% rated capacity, to prevent overload.Overload capacityThe ... 110V,then the output capacity should not be beyond 50% of rated capacity, otherwise, it maybe overloaded ... , capacitive loadsFluorescent lamp, fan, pump, air-conditioner, refrigerator and etc.2.5 ~ 3>2.5 - 3 ...