NT00, NT1, NT2, NT3, NT4 fuse links and bases conform to IEC269 fuse links and bases 1.Application: This series fuse is suitable for AC 50Hz,rated voltage to 1140V,rated current to 1250A.lt is mainly used in the electric installation for protecting ircuit from overload and short circuit(gG/GL);it also may derive for protecting the semiconductor device and others complete set installment from hort ...