国产av在线观看,国产欧美日韩久久久久,国产精品久久久久久人妻,国产精品沙发午睡系列

April 22(Tuesday) , 2025

Customer / 客戶服務(wù)

username:
password:

Power Professional D

PositionHome > Customer > Power Professional D

Bypass

發(fā)布時(shí)間: 2010/02/23 人氣 :1912
·Bypass
The function is :When the UPS breakdown, it will switch to utility power by relay in UPS automatically, and the bypass circuit will continue to supply electricity to the load devices, then UPS will not power out. It can be seen that bypass is a "preliminary in case" backup circuit.
?