Qhov ntsuas tam sim no ntawm fuse yog hais txog nws lub npe tam sim no, feem ntau yog qhov siab tshaj plaws tam sim no uas lub Circuit Court tuaj yeem ua haujlwm. Tus nqi tam sim no ntawm lub fuse yuav tsum raug xaiv kom raug, thiab cov kev xav hauv qab no yuav tsum tau ua:
Piv txwv li: kev ua hauj lwm tam sim no ntawm Circuit Court: IR {{0}}.5 A, qhov ntsuas tam sim no ntawm qhov xaus ntawm UL specifications yuav tsum yog: hauv=IR / ntawm {{3} }.5/0 75=2A.
IR ntawm no yog qhov ua haujlwm tam sim no ntawm Circuit Court, thiab ntawm tus nqi luv nqi ntawm UL specification fuse, yog li koj yuav tsum xaiv 2A fuse. Tsis muaj kev txo nqi rau IEC specification fuse, uas yog, IR=IN.
Yog tias qhov tshwj xeeb ntsuas tam sim no tsis yog universal, tus nqi siab tshaj yuav tsum raug xaiv.