... two in/out lines at the RT18N fuse base,providing a power cut function. The RT18L type ... sizes available to choose from for thesame fuse base of RT18N, RT18B and RT18C. There are ... open contacts withdouble breaking points. The whole base unit can cut the power.RT18 bases are all ... safety lock against wrong operation in the breakingstate. Base DataThe models, rated insulate voltage, rated current, ...