UL Power Fuse, Class RK5; Time Delay Characteristics; 250 Vac/Vdc; 250 Ampere; Interrupting Rating 200 Kiloampere (Ac), 20 Kiloampere (Dc); Blade Terminal; Diameter 2-1/16 In; Length 8-5/8 In; Approval UL 198L, UL 248-12, CSA C22.2; Tri-Onic Brand Also known as -MERSEN TR250R 250A 250V Class-RK5 Time-Delay Fuse