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191问答库 > 电能表的电流规格写的是5（80）A，括号里面的80是什么意思？

电能表的电流规格写的是5（80）A，括号里面的80是什么意思？

2025-03-14 05:04:01

推荐回答（2个）

回答1：

括号里面的80A是最大电流值，是电能表能够满足准确计量要求的最大电流值。接入电表的电流超过此值，会造成电能表损耗，甚至会造成电表烧毁及安全事故。

回答2：

括号外面的5a是指基本电流值，这个值是用来确定电能表启动计量的最小电流值。

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