发布时间:2025-01-23 10:40:03
可以直接采用直流12VLED灯(或者灯带),停电的时候,直接用电瓶点亮LED灯即可。有电的时候,给电瓶充电,同时给LED灯提供电源。
接触器线包接220V市电,只用一对触点,常开触点,串联在灯与电瓶之间,停电灯就亮。
高压进线柜计量柜高压出线柜低压进线柜电容柜低压出线柜的作用分别是什么求高手解答
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