国产一级真人片一区二区三区_欧美日韩不卡一区二区三区视频_国产一卡2卡三卡4卡在线观看_國產女人倫碼一區二區三區不卡_欧洲亚洲激情TV中文字幕_色五月日韩中文在线_蜜臀av无码毛片_97视频在线资源免费_欧美在线欧美日韩_全部免费观看亚洲人妻交换

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