Fuse Link, 40, 250, Interrupt Rating 10kA, For Use With Class H REN Fuse, Link Type Renewable, Package Quantity 20 Miscellaneous FusesRES and REN Time-DelayClass H. Knurled bushings for easy assembly for low-fault current and nonmotor loads. 0 to 60A: ferrule type; 70 to 400A: knife-blade type.10kA IR Functionally equal: Mersen RF (250V or 600V) and Littelfuse RLN (250V or 600V) LKN/LKS renewable links are not interchangeable between brands