85问答库 > 电气成套中熔断器一般在什么情况下需要安装，断路器前面？信号灯前面？还是。。。请详解

电气成套中熔断器一般在什么情况下需要安装，断路器前面？信号灯前面？还是。。。请详解

2025-03-17 04:38:16
推荐回答（1个）
回答1：

我认为熔断器的安装条件是由设备决定的。并不是安在哪种元件前面，而是安装在需要速断保护的设备的上一级。指示灯装熔断器保护，串在火线和指示灯之间。断路器加熔断器保护加在断路器前，要是在断路器后，可能是对设备进行保护
。

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