H.R.C.Fuse (RT18) 1:CCC,CE,ISO,IEC 2:Protection against ... ,2P,3P 4:OEM General1.1 NT low voltage H. R. C. Fuse has features of light in weight, small in size ... installation.1.2 This product conforms to IEC 269 standards with all of the rating at the world advanced level.1 ...