圆形电连接器如何连接使用-绅士go
1、在连接器的设计过程中,是通过对圆形电连接器的热设计来满足额定电流要求的,因为在接触对有电流流过时,由于存在导体电阻和接触电阻,接触对将会发热。
2、当其发热超过一定极限时,将破坏圆形电连接器的绝缘和形成接触对表面镀层的软化,造成故障。
3、要限制额定电流,事实上要限制连接器内部的温升不超过设计的规定值。
4、在选择时要注意的问题是:对多芯圆形电连接器而言,额定电流必须降额使用。
5、这在大电流的场合更应引起重视,例如φ3.5mm接触对,一般规定其额定电流为50a,但在5芯时要降额33%使用,也就是每芯的额定电流只有 38a,芯数越多,降额幅度越大。
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