Design Features

After the plastic-Injected case is equipped with contacts and fuse links, the bases are formed by welding or riveting both capable of being multiphase structured. RT19 are open-structure, and others are semi-concealed structure. There are five fuse sizes available to choose from for the same fuse base of RT18N, RT18B, and RT18C. There are two sets of in-out lines for RT18N. One is installed with fuse links of the according size. The other is a permanent open contacts with double breaking points. The whole base unit can cut the power. RT18 bases are all DIN rail installed, among which the RT18L is equipped with safety lock against wrong ope-ration in the breaking state.