... switch by multi-phasecombination. There are two in/out lines at the RT18N fuse base,providing a ... , RT18B and RT18C. There are two setsof in-out lines for RT18N. One is installed with fuse ... RT18L isequipped with safety lock against wrong operation in the breakingstate. Base DataThe models, rated insulate ... voltage, rated current, and dimensions are shown in Figures 1~14 and Table 1~14 (Width ...