the products is made of K type and T type fuse link.K type fuse link's melting rate is 6-8,the melting rate of T type is 10-13

KB,KU,KS type fuse links belong to K and T type fuse, it has general type, universal
type and screw type available according to IEC282 standard, the product drop-out
type fuse of 11-36KV grade.
The general fuse link wth button:

The products is made of K type and T type fuse link.K type fuse link's melting rate is 6-8,the melting rate of T type is 10-13.These two types are popularized by national resource department and are wdely applied to  RW10/RW11/RW20/PRWG1/PRWG2 and other type drop-out fuses.