Yueqing City, Guizhou Electric Co., Ltd   

Yueqing City, Guizhou Electric Co. Ltd. mainly has the advanced level high voltage limitation of research, development and production of domestic and foreign current fuse, wall bushing load isolating switch. Enterprise passed the ISO9001 (2000) quality management system certification, and achieved the test certificate of national quality supervision and inspection center and other qualification certificate. The enterprise has rich manufacturing experience and perfect testing means, advanced production, strong technical force, reliable product quality, strict management of technology products more perfect, win wide reputation. We sincerely welcome domestic and foreign manufacturers to come to negotiate business calls, also can be designed according to user requirements, production, delivery.

High voltage fuse: The fuse pipe is the main part of fuse, which is composed of a fuse is installed in the porcelain tube, and in the porcelain tube filling quartz sand, and sealed at both ends, rated current under 7.5A and rated voltage of 35V weld pipe, the fuse is circling in the porcelain core special, rated current of 7.5A or above melt pipe, the fuse is hanging in the porcelain tube. When the current through the fuse is 1.3 times the rated current, 1 hours without fuse; When the current through the fuse is 2 times the rated current, within 1 hours of the fuse, the fuse characteristic curve of the fuse