中国极品少妇xxxxx_精品国偷自产在线视频_人妻在线日韩免费视频_三年片在线观看大全有国产精品人人爽人人做Av片,国产精品一区在线播放,

BNDC
BNDC type DC traction switchgear
Provides customers with a new maintenance free concept and high reliability. The products are mainly used in 750V / 1500V DC traction power supply systems such as urban rail transit and tram.
Features and highlights

Standardized, modular and intelligent comprehensive solutions can meet the requirements of DC power supply control and protection of different systems;

Large breaking capacity and small size;

Less maintenance, and the permanent magnet operating mechanism is simple and reliable;

The minimum bidirectional breaking current is less than 25A;

Tungsten carbide silver contact, which is safe and reliable.

返回頂部
Copyright ? Guangzhou Baiyun Electric Equipment Co., Ltd. All Rights Reserved 粵ICP備05024257號-2