国产成人丝袜在线播放_日韩一区二区三区不卡毛片_亚洲日本在线中文字幕dvd_国产亚洲欧美日韩男男网站_中文字幕在线播放视频_亚洲高清无码不卡_91久久国产成人免费观看资源_无码中文字幕国模_免费观看午夜福利av_日本在线一二三四区

Company news

Precautions for the DC switch2022-08-21

1. Rated working voltage: should be greater than the DC circuit voltage.
2. Short-circuit breaking capacity: greater than the maximum short-circuit current through the DC circuit breaker.
3. The operation current and time between the upper and lower stages of the circuit breaker should be selective. After the rated current of the DC circuit breaker has been determined, its protection characteristics have also been determined, so the determined scheme should be as follows.
4. Dc bus contact electrical appliances should use DC disconnecting switch. But small capacity battery using single bus section wiring, the bus section electrical, DC circuit breaker can be selected, the protection selectivity depends on the engineering situation and different.

主站蜘蛛池模板: 昭觉县| 南乐县| 礼泉县| 安远县| 县级市| 太仓市| 扎囊县| 辽源市| 双柏县| 昆明市| 获嘉县| 双柏县| 齐河县| 从化市| 乌恰县| 中西区| 四川省| 定兴县| 长葛市| 清徐县| 凤冈县| 聂拉木县| 德庆县| 临高县| 横山县| 福海县| 陕西省| 北辰区| 甘肃省| 吐鲁番市| 江安县| 赣榆县| 台东县| 蒙自县| 龙江县| 陆河县| 利川市| 巴马| 宝山区| 淮滨县| 扎囊县|