Gang Operated (GO) switch is an electrical device that is used for High Tension (HT) power supply 11KV or 33 KV switching. GO switch is used for making and breaking high voltage power supply in substation and industries premises. It is used in a combined three phase or triple pole so It is given the name gang-means a group of phases. It is used outdoor for the distribution of HT systems.
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.