Lauritz Knudsen HB 400 Fuse Base 400A (Cat. No. SK907170000). Product Type: Fuse Base; Type: HB 400; Rated Current: 400A; Suitable Fuse-Link: HN Size 2; Suitable Fuse Current Range: 200-400A. Catalogue MRP Rs. 2,040 per unit; standard package 3.