Feeo fais qhia rau koj paub ib tug '' ib '' Class Fuse yog dab tsi?

Qhov "ib" chav kawm ntawv fuse, los yog ib nrab ntau yam txhaum tau fuse, los yog ib tug 'qaum ' fuse, yog ib tug LV tam sim no txawj zoo fuse muaj peev ntawm coj thiab ua raws li daim kev cai tswjhwm tus mob uas muaj cov currents ntawm qhov tsawg tshaj plaws tam sim no K²In qhia rau nws lub sij hawm tam sim no cov yam ntxwv thiab cov muaj feem xyuam coj thiab peev xwm. "ib" chav kawm fuses feem ntau siv los tiv thaiv luv Circuit Court. Qhov kev tiv thaiv no yuav tsum tau tiv thaiv dua currents me tshaj K²In (tsawg dua currents, overloads), cov fuses yog uas yuav siv tau nrog rau lwm switching ntaus tsis tsim lossis tau "g" kawm fuses yuav tsum siv xwb.