Tshem tawm fusetxiav tawmthiab load switching fusetxiav tawmyog ntawm sab nraum zoov siv high voltage tiv thaiv ntaus ntawv, Tobe txuas nrog incomin-g feeder ntawm tis transformer los yog tis kab, nws tsuas yog tiv thaiv transformeror kab los ntawm luv luv Circuit Court thiab overloading, thiab on / off loading, tam sim no, poob-tawm fuse cutout yog tsim los ntawm insulator txhawb thiab fuse tube, static contacts yog tsau rau ob sab ntawm insulator kev them nyiaj yug thiab tsiv mus nyob rau hauv lub raj ntawm ob lub fuse. cev arcex. Sab nrauv phenolic compound ntawv raj lossis epoxy glasstube, Load switching fuse cutout muab enfored elastic auxiliry contacts thiab arc-extinguishing exclosure rau switching on-off loading tam sim no.