The Double Break Switch Fuse Unit is a product manufactured by Standard Electrical. Double Break Switch Fuse Unit has terminals that are suitable for Al. And Cu. Conductors. Bases of the Double Break Switch Fuse Unit are made of Phenolic material with fire retardant shrouds. Double Break Switch Fuse Unit are provided with Silver plated contacts for high conductivity and longer life. Double Break Switch Fuse Unit has Range 63 -400A. The salient features of the Double Break Switch Fuse Unit: