Insurance fuse yog siv dav hauv ntau lub lag luam los tiv thaiv kev nyab xeeb thiab kev ua haujlwm ntawm cov khoom siv hluav taws xob. Lub luag haujlwm tseem ceeb ntawm kev tuav pov hwm fuse yog txiav tawm tam sim no thaum tam sim no tshaj qhov ntsuas tus nqi, tiv thaiv qhov tshwm sim ntawm hluav taws kub, tawg, thiab lwm yam kev nyab xeeb tshwm sim los ntawm overvoltage, overload, thiab luv luv Circuit Court.
Insurance fuses feem ntau siv hauv tsheb, fais fab nroj tsuag, khoom siv hauv tsev, thiab lwm yam khoom siv hluav taws xob. Hauv kev lag luam tsheb, kev tuav pov hwm fuses yog qhov tseem ceeb los xyuas kom muaj kev nyab xeeb ntawm cov khoom siv hluav taws xob, tiv thaiv hluav taws kub thiab ua haujlwm tsis zoo. Hauv cov chaw tsim hluav taws xob, kev tuav pov hwm fuses yog siv los tiv thaiv cov khoom siv hluav taws xob loj, xws li transformers, motors, thiab generators, los ntawm kev puas tsuaj los ntawm overcurrent.
Hauv cov khoom siv hauv tsev, kev tuav pov hwm fuses yog siv los ua kom muaj kev nyab xeeb ntawm cov khoom siv hluav taws xob, xws li tshuab ntxhua khaub ncaws, tub yees, thiab cua txias. Yog tsis muaj kev tuav pov hwm fuses, cov khoom siv yuav puas lossis tawg, ua rau muaj xwm txheej txaus ntshai.
Yog li ntawd, kev tuav pov hwm fuses ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev nyab xeeb ntawm cov khoom siv hluav taws xob ua haujlwm thiab tiv thaiv qhov xwm txheej muaj kev nyab xeeb. Nws yog ib qho tseem ceeb uas yuav tsum tau siv cov fuses kom raug thiab hloov tam sim ntawd yog tias lawv puas los yog tas sij hawm kom muaj kev nyab xeeb thiab kev ntseeg siab ntawm cov khoom siv hluav taws xob.