檢視保险丝的原始碼

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中文名；保险丝

外文名；fuse

IEC127定义；熔断体(fuse-link)

外形；条丝状、片状

熔断标志；发光、变色、弹出固体指示器

灭弧材料；石英砂
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'''保险丝'''(fuse)也被称为电流保险丝，IEC127标准将它定义为"熔断体（fuse-link)"。其主要是起过载保护[[作用]]。电路中正确安置保险丝，保险丝就会在电流异常升高到一定的高度和热度的时候，自身熔断切断电流，保护了电路安全运行。

一百多年前由爱迪生发明的保险丝用于保护当时昂贵的白炽灯，随着时代的[[发展]]，保险丝保护电力设备不受过电流过热的伤害，避免电子设备因内部故障所引起的严重伤害。<ref>[https://www.sohu.com/a/226786817_616034 保险丝的基本介绍（结构、功能、原理） ],搜狐 , 2018-03-30 </ref>