1. Thaum cov khoom siv hluav taws xob ua haujlwm ib txwm, lub fuse yuav tsum tsis txhob tshuab;
2. Thaum ib qho luv luv tshwm sim, lub fuse yuav tsum tau tshuab tam sim ntawd;
3. Thaum tam sim no hloov ib txwm (xws li lub cev muaj zog pib txheej txheem), lub fuse yuav tsum tsis txhob tshuab;
4. Thaum cov khoom siv hluav taws xob tsis tu ncua overloaded, lub fuse yuav tsum tau ncua.
Kev xaiv ntawm fuses feem ntau suav nrog hom kev xaiv thiab kev txiav txim siab ntawm cov ntsuas tam sim no.
Thaum xaiv hom fuse, nws tsuas yog ua raws li kev tiv thaiv tus yam ntxwv ntawm lub nra thiab qhov loj ntawm qhov luv-circuit tam sim no. Piv txwv li, fuses siv los tiv thaiv teeb pom kev zoo thiab lub cev muaj zog feem ntau suav hais tias yog kev tiv thaiv overload. Nyob rau lub sijhawm no, nws cia siab tias lub melting coefficient ntawm lub fuse yuav tsum tsim nyog me me. Yog li ntawd, lub teeb pom kev zoo thiab lub cev muaj zog nrog lub peev xwm me me yuav tsum siv RC1A series fuses nrog txhuas-zinc alloy yaj. Rau lub teeb pom kev zoo thiab lub cev muaj zog nrog lub peev xwm loj, ntxiv rau kev tiv thaiv overload, muaj peev xwm tawg luv luv tam sim no thaum lub caij luv luv yuav tsum xav txog. Yog tias qhov luv luv tam sim no me me, koj tuaj yeem siv RCIA series fuses nrog tin yaj lossis RM10 series fuses nrog zinc yaj. Kev tiv thaiv fuses siv rau cov kab hluav taws xob qis hauv cov chaw ua haujlwm feem ntau xav txog qhov muaj peev xwm tawg thaum lub sijhawm luv luv. Thaum lub luv luv-circuit tam sim no loj, RL1 series fuses nrog siab tawg peev xwm yuav tsum tau siv. Thaum qhov luv-circuit tam sim no loj heev, RT0 series fuses nrog kev txwv tam sim no yuav tsum tau siv. Qhov ntsuas hluav taws xob ntawm lub fuse yuav tsum siab dua lossis sib npaug ntawm qhov ntsuas hluav taws xob ntawm lub voj voog. Qhov ntsuas tam sim no ntawm lub fuse yuav tsum raug xaiv raws li cov khoom thauj.
