国产精品美女午夜av_日韩区一区二_午夜精品理论片_欧美精品一区三区 亚洲色偷拍另类无码专区_国产在线国偷精品免费

PT metering cabinet cabinet

Share：
● Standard configuration
    630A load switch
    Special locks
    PT (can be optional)
    PT protection fuses
    CT (can be optional)
    Meter meter (can be optional)
    Charged indicator
    Voltmeter
    Ammeter
    Switch
● options
   Watt-hour meter
   Loss of pressure instrument
   Metering cabinet / PT cabinet interlock
   Heater