中国少妇内射XXXX狠干,久久精品国产99国产精2020,国产99视频精品免费视亚洲一级Av无码毛片久久精品,国产精品三P一区二区视频,欧美黑人巨大xxxxx视频
BYEM
BYEM series moulded case circuit breaker (MCCB)
BYEM series MCCB is one of the new circuit breakers designed and developed by our company with advanced technology. Its rated insulation voltage can reach 1000V, suitable for infrequent conversion and infrequent starting of motor in circuits with AC 50 Hz, rated working voltage AC400 / 690V and rated working current up to 1600A. It has the functions of overload long time delay, short circuit short time delay, short circuit instantaneous and under voltage protection, which can protect the line and power equipment from damage.
Features and highlights

1600A shell frame;

High performance, insulation voltage Ui=1000V, power frequency withstand voltage up to 2500V / min, impulse withstand voltage Uimp=12kV;

Adjustable parameters, effective three section protection function (grounding protection);

High breaking, short circuit breaking capacity Icu=100kA;

Low temperature (up to - 45 ℃) resistance, pass long-term 72h salt spray test;

Complete specifications,250 shell frame grades have been perfected.

返回頂部
Copyright ? Guangzhou Baiyun Electric Equipment Co., Ltd. All Rights Reserved 粵ICP備05024257號-2
中国少妇内射XXXX狠干,久久精品国产99国产精2020,国产99视频精品免费视亚洲一级Av无码毛片久久精品,国产精品三P一区二区视频,欧美黑人巨大xxxxx视频