... 1,GB 15166.2 ,CCCConstruction FeaturesXRNP1-12,40.5/3.15 series high voltage fuses(protect the Voltage Transformer) Production ... treated high-purity quartz inside;High temperature resistance and high-strength material: alumina ceramic.3. Fuse melting when circuit fault ... limiting characteristics. Quick operate, NO delayed.Technical parameterCurrent specification(A)0.5,1,2,3.15Voltage(kV)12,40.5Rated ...