国产精品日韩免费视频_毛片视频免费观看_污黄网站在线观看_小林最污APP下载、小野花apk污下载_亚洲欧美一区二区三区图片_亚洲精品国产av成拍色拍婷婷_日韩精品极品视频_日本黄色福利视频_手机Av在线播放网址_日本一本伊人久久

Product description

The characteristics of power distribution box mechanism for the company's production has the advantages of compact structure, convenient maintenance, a combination of flexible, so it is widely used in the industrial and mining enterprises, as AC 50Hz, 500V three-phase power systems, lighting and power distribution with, to a control circuit with overload and short circuit protection function. The power distribution box, indoor device, wall installation, operation and maintenance of the screen. The door and the bottom plate can be disassembled and can be split. To facilitate the construction of the building, saving time.

技術(shù)參數(shù)