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

December 24(Tuesday) , 2024

Customer / 客戶服務(wù)

username:
password:

Power Professional D

PositionHome > Customer > Power Professional D

Air Switch or Circuit Breaker

發(fā)布時間: 2010/04/08 人氣 :1817
·Air Switch or Circuit Breaker
It is a current protection device. When the current exceed the specifications ratings over the air switch, the switch will close. Air switch can avoid the fire caused by the over-current in building line or electronic equipment line.

 

?