The dropout fuse cutout is composed of insulator support and fuse holder, static contacts are fixed on two sides of insulator support, moving contact installed on the two ends of fuse holder, the interior of the fuse tube is arc-extinguishing tube/layer, exterior is made of phenolic compound paper tube or epoxy glass. Load break type provides stretch auxiliary contacts and arc-chute cover to switch on/off loading current.

In normal operation the fuse link is tightened to form the closed position, when fault current occurs, the fuse link melts down and electric arc produce, the arc extinguishing tube is heated and explosive gas happens. This results in high pressure inside the tube and makes tube to be disconnected from the contacts. The strength of the contact is released once the fuse elements melt down. The cutout now is in OFF position, the operator needs to switch off the current. Use an insulated operating rod to pull, the moving contact can be pulled off.

Complies with GB/T15166.3，IEC282-2，ANSI /IEEE C37.41, C37.42 and etc

We possess a professional technical team, set tup mold development and making center, able to design and produce the products completely according to customer requirements, both all parts and final assembly are made by ourselves

-    Drop out fuse cutout:  300K poles

-    Full sealed (pagoda) type fuse: 80k poles

-    Disconnectors: 100K poles

-    Insulators: 150K pcs

-    Arresters: 150K pcs

-    Brass casting parts: 400K sets

We provided the complete test and inspection equipment and facilities, including voltage withstand tester, operation facilities, metal analyzer, bending machine, torque tester, Surface coating detector and etc, to ensure the products to be qualified.