涩涩电影一区二区三区在线观看|日韩亚洲国产综合αv高清|搡老熟女老女人一区二区|日本国产欧美在线观看,欧美亚州特黄一区二区三区四区,亚洲国产午夜精品一区二区,亚洲日本VA久久一区二区

April 13(Sunday) , 2025

Customer / 客戶服務

username:
password:

Power Professional D

PositionHome > Customer > Power Professional D

Off-Line UPS

發(fā)布時間: 2010/02/23 人氣 :1842
·Off-Line UPS
STANDBY UPS or OFF LINE UPS. It contains surge absorber, bypass circuits, DC / AC converter. When utility power work normally, it will supply to the load through bypass, and charge battery, the machine does not work in that time, but when the utility power is interrupted, the battery will output voltage to the load through the DC / AC circuit.
?