欧美成人黄色片-www.国产在线-台湾极品xxx少妇-老色鬼在线精品视频-欧美人与动牲交片免费-亚洲乳大丰满中文字幕-永久毛片全免费福利网站-男女又爽又黄视频-宅宅午夜无码一区二区三区-wwwwxxxxx日本-欧美性视频在线播放-亚洲色偷偷偷鲁精品-手机免费av-一呦二呦三呦精品网站-国产乱子伦无套一区二区三区-99视频精品-一级黄色的毛片-国产又粗又长又黄的视频-奇米影视四色7777-色情无码www视频无码区澳门

BYEW
BYEW series air circuit breaker (ACB)
BYEW series ACB is suitable for distribution network with AC 50Hz, rated working voltage of 400V / 690V and rated current of 200-6300A, which is used to distribute electric energy, protect lines as well as power equipments from overload, short circuit, under voltage, single-phase grounding, residual current and other faults. The selective protection of the circuit breaker is accurate, which can improve the reliability, continuity and safety of the power supply system.
Features and highlights

High break, Icu=Ics=Icw=138kA；

High performance, power frequency withstand voltage = 4000V, impulse withstand voltage Uimp = 12kV;

Low temperature resistance, pass the low temperature - 45 ℃ test;

Salt spray resistance, pass long-term 72h salt spray test;

Beautiful and novel appearance.

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