... (AC50HZ). OutlineSFL,SFL1,SFL2 and SRL3 high voltage fuse links in the fuse element it has been used for outdoor drop-out ... )SFLI and SSYIIfuse-lines consist of upper and lower leaders,fuse element,button and auxiliary arc-extinguishing tube,the material of ... not conveniently avvording to the requirements.c)SFLIII fuse-link consists of upper and lower leaders,fuse elemelement and button.The material of ...