中文字幕在线亚洲|国产精品午夜国产小视频|免费激情网站国产高清第一页|国产成人精品视频2021|99热这里有精品
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.

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中文字幕在线亚洲|国产精品午夜国产小视频|免费激情网站国产高清第一页|国产成人精品视频2021|99热这里有精品