亚洲精品久久久久久无码色欲四季_性视频在线_伊人久久五月天_波多野结衣一区二_好好热视频_在线播放的av_麻豆福利在线观看_成人在线免费观看91_国产第1页_国产成人亚洲综合a∨婷婷

SIVACON 8PT Low-voltage switchgear     Low-voltage switchgear (Siemens authorised cabinet)  

They are suitable for three-phase four-wire and three-phase five-wire power systems with a rated working voltage and rated insulation voltage of 400V, 690V and a rated current of 6300A and below, and are widely used in power plants, substations, industrial and mining enterprises, buildings and hotels, airports, terminals and communication centres such as radio and television, as PCs for power generation, transmission and distribution, electrical energy conversion and electrical energy consumption. They are used as PCs in power generation, transmission and distribution, power conversion and power consumption, and as MCCs in motor control centres.