低压断路器的瞬时、短延时和长延时过流脱扣器的动作电流各如何整定?其热脱扣器的动作电流又如何整定?
正确答案:(1)瞬时过流脱扣器动作电流的整定
![](https://img.274949.com/Images/2020-03/25/mthe8wf8.jpg)
(2)短延时过流脱扣器动作电流和动作时间的整定
![](https://img.274949.com/Images/2020-03/25/rc0b48oh.jpg)
(3)长延时过流脱扣器动作电流和动作时间的整定
![](https://img.274949.com/Images/2020-03/25/xovc6ly9.jpg)
(4)热脱扣器动作电流的整定
![](https://img.274949.com/Images/2020-03/25/ivr7fiav.jpg)
![](https://img.274949.com/Images/2020-03/25/mthe8wf8.jpg)
(2)短延时过流脱扣器动作电流和动作时间的整定
![](https://img.274949.com/Images/2020-03/25/rc0b48oh.jpg)
(3)长延时过流脱扣器动作电流和动作时间的整定
![](https://img.274949.com/Images/2020-03/25/xovc6ly9.jpg)
(4)热脱扣器动作电流的整定
![](https://img.274949.com/Images/2020-03/25/ivr7fiav.jpg)
答案解析:有
![](/editor/images/201705/qrcode_for_gh_573e2a458573_258.jpg)
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低压断路器的瞬时、短延时和长延时过流脱扣器的动作电流各如何整定?其热脱扣器的动作电流又如何整定?
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