Fiusi silẹyo kuroati fifuye fiusi yipadayo kurojẹ ti ita gbangba ti a lo ga foliteji aabo ẹrọ, Tobe connecte pẹlu incomin-g atokan ti pinpin transformer tabi pinpin ila, o kun dabobo transformeror ila lati kukuru Circuit andoverload, ati lori / pipa ikojọpọ, lọwọlọwọ, Ju-out fiusi cutout ti wa ni kq insulat insulator atilẹyin ati fiusi tube, aimi awọn olubasọrọ ti wa ni ti o wa titi lori meji mejeji ti tube support insulator ati gbigbe awọn olubasọrọ ti awọn meji ninu awọn tube fiusi support. tube arcexting. Lode phenolic yellow iwe tube tabi iposii glasstube, Fifuye yi pada fiusi cutout pese enfored rirọ iranlọwọ awọn olubasọrọ ati aaki-papa kuro fun yi pada lori-pipa ikojọpọ lọwọlọwọ.