两个1P的空开可以当1个2P的用吗,怎么用?

2025-03-30 18:46:13
推荐回答(4个)
回答1:

不可以,2P的空开更有利散热,可以同时关掉火零线,比较安全。1P的空开(单进线)只能控制火线,零线需要进端子排,出现问题比较难寻找,也容易接触不良。

1p是单的 ,一般控制火线只有两个孔,一个进 一个出 ,2p是双的 ,火线和零线同时控制, 有4个孔 ,上边两个是火 ,零线进线孔 ,下边是出线孔,1p用于照明等人不经常触及只需控制火线的电器, 2p用于插座等220伏电器。

扩展资料

1p+n和2p空气开关

1P+N的断路器的N是用来接零线的并且不可分断,不管开关的合与分N线始终处于导通状态。1P的通常控制火线的分与合。

2P断路器可以同时控制火线和零线,合上开关时火、零同时接通,分闸时同时断开。1P+N和2P都是2极开关,但1P+N实际上是假2极,因为它的零线始终是导通的。如果是漏电断路器就不能混用零线,同一负载的火线和零线必须接在断路器的出线端,否则 断路器推不上(跳闸)。

回答2:

你不可以把两个1P的空开当1个2P的空开用。

但是,一个10A的2P微型空开就是由2个1P的10A微型空开组合而成的,只不过中间加了一套连杆,2个1P的空开就可以一起动作了。但这必须由厂家组装好,所以这种微型开关又叫模数化开关,像搭积木一样的可以组装。

但是这里要注意1P+N的空开啊,千万不能当2P开关用,尤其要注意接线时必须区分零线和火线。应为厂家偷工减料的,N相的灭弧装置是减配置的。

拆解3P空开

明显是拼装的

这个是1P+N空开,左边一半是N相的

回答3:

可以,就是维修时不太安全,正常使用是一样的,把两个1P的空开挨着放在一起就行,就跟2P的一样了,接线也都一样,但要注意两点,一是两个1P的空开最好是选脱扣电流一样大的,最重要的就是有线路要维修时必须把两个空开全都拉开才可以,这也就是与2P唯一不同的地方。有条件的话最好用2P 的,

回答4:

一样大的话可以。。但是3个1P的就不要当一个3P的了。

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