Application

The dropout (swing out) fuse is an expulsion type and its main function is to protect Transformers on rural distribution network. It is also particularly useful for inaccessible Sub-stations where indication of fusing is of advantage.

Construction

The Drop out fuse set has single pole construction and shall be suitable for Vertical mounting. Each pole consist of galvanized steel base, insulators of reputed make, copper alloy DO Top & Bottom contacts and fuse carrier’s top & bottom contacts, epoxy extruded fiber fuse carrier. DO fuse bottom contact and rotateable latch is specially designed in such a way that it hangs the fuse carrier on blowing of fuse element. Top and bottom contacts are provided with overtravel limit. Ferrous parts are hot dip galvanized and non-ferrous parts are heavily tinned to withstand weather. Fuse element is of EC grade copper of appropriate size to complete the current path from top post to bottom post.

Features

• Low Contact resistance through the life of switch.

• Sturdy design of current carrying parts.

• Robust design and construction.

• Smooth and trouble free operation.