Lauritz Knudsen HB 250 Fuse Base 250A (Cat. No. SK904060000). Product Type: Fuse Base; Type: HB 250; Rated Current: 250A; Suitable Fuse-Link: HN Size 0 & 1; Suitable Fuse Current Range: 80-250A. Catalogue MRP Rs. 1,470 per unit; standard package 3.