Cooper Bussmann, 200A, FM, FF, British Standard Fuse, 660V ac. Fuse Standard: BS 88, IEC 269-4. Fixing Centres: 80 → 85mm. Tag Width: 25.4mm. High Rupture Capacity: Yes. Overall Length: 113mm. Body Diameter: 38mm. Body Height: 50mm. MPN: 200FM