国产一级A大黄片毛片视频_国产娇小粉嫩在线观看_一区二区三区av无码观看_人人澡人人人人夜夜爽,国产YIN乱大巴MAGNET_国产网红AV在线观看网红主播_国产巨作麻豆欧美亚洲综合久久_免费
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(hào)-2
国产一级A大黄片毛片视频_国产娇小粉嫩在线观看_一区二区三区av无码观看_人人澡人人人人夜夜爽,国产YIN乱大巴MAGNET_国产网红AV在线观看网红主播_国产巨作麻豆欧美亚洲综合久久_免费