XRNC, BRI, BR2, BRW, BRW2, BR, RN, RNY!, RNG and RW fuse is used in power system of 10kV or below to prevent the star-shaped capacitor bank or single capacitor from interior fault. it’s able to reliably and rapidly switch off the capacitor in iallure, so as to avoid explosion accident caused by component breakdown inside capacitor and enables the power arid to work uninterrupted and safely.