欧美精品一区二区,国产日韩欧美,欧美一性一乱一交一视频,欧美午夜理伦三级在线观看,欧美乱妇狂野欧美在线视频,欧美老熟妇又粗又大,欧美性受XXXX黑人XYX性爽,欧美影院,精品国产人成在线_亚洲高清无码在线观看_国产在线视频国产永久2021_国产AV综合第一页一个的一区免费影院黑人_最近中文字幕MV高清在线视频 ,国产成人久久精品一区二区三区 _午夜亚洲国产理论片中文飘花 _日本 888 XXXX _中文字幕日韩欧美一区二区三区 ,国产裸体美女永久免费无遮挡,无码国产69精品久久久久网站,欧美群妇大交群,被吊起来张开腿供人玩弄,国产精品一线二线三线精华液

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
铜鼓县| 丰都县| 类乌齐县| 金塔县| 阜平县| 阿勒泰市| 滁州市| 海晏县| 洮南市| 克拉玛依市| 昭觉县| 桐庐县| 郧西县| 日土县| 黄梅县| 蓬溪县| 灵山县| 秦皇岛市| 大庆市| 和平县| 抚远县| 理塘县| 广丰县| 同江市| 资讯 | 河西区| 肥东县| 监利县| 伽师县| 青州市| 黄浦区| 株洲市| 阜阳市| 灵宝市| 英吉沙县| 湛江市| 清河县| 金寨县| 香格里拉县| 莆田市| 罗定市|