高压电引信的保险

Tobe connect with incoming feeder of distribution lines.It mainly protect transformer or lines from short circuit and overloading current.Drop-out fuse cutout is composed of insulat insulator supports and fuse tube,static contacts is fixed on two sides of insulator support and moving contact is installed on two ends of fuse tube. Fuse tube is composed of inside arcexting tube.Outer phrnolic compound paper tube or epoxy glasstube.Load switching fuse cutout provides enforced elastic auxiliry contacts and arc-extinguishing exclosure for switching on-off loading current.