汽車保險絲盒的注意事項和開路電壓：

qichebaoxiansihexuyaoanzhaoqibaoxiansihegaishangzhumingqiedingdianliuzhigenghuanbaoxiansi，buyaogaiyongbiedingdianliugaodebaoxiansi，qichebaoxiansihezhongyaoshiqixinbaoxiansiyoulikerongduan，zheyangshuomingdianluxitongzhongkenenghuicunzaiguzhang
，yingjinkuaijianxiu。

qichebaoxiansihexuyaozaimeiyouqibeiyongbaoxiansideqingkuangxia，zaijinjideshihou，keyigenghuanduiqijiashiyijianquanmeiyouyingxiangdeqitashebeishangbaoxiansilaidaiti
，ruguobunengzhaodaojuyouxiangtongdianliufuhedebaoxiansi，zekecaiyongbiyuanbaoxiansiedingdianliudidedaiti。

qichebaoxiansihedechangtaidianliu
，womenbixuyaozhidaozaisuoshiyongdedianluzhongliujingbaoxiansidechangtaidianliudaxiao
，tongchangqingkuangxiawomenxuyaoyuxianshedingyigejianeliang
，ranhouanxiamiandeyuanzelaijinxingxuanze：即常態電流必須小於額定電流與減額係數的乘積。

汽車保險絲盒在一定會有效的按照其UL規格的規定，保險絲應在額定電流2倍的情況下快速熔斷，但在大多數情況下，為了確保可靠地熔斷，我們推薦熔斷電流應大於額定電流的2.5倍。另外熔斷時間是重要的話，還必須參考廠商提供的熔斷特性圖來作出判斷。