National 801-160 Replacement Fuse (220V/0.5 Amp) Tweet Description The National 801-160 Replacement Fuse (220V/0.5 Amp) is a 220 volt, 0.5 Amp replacement fuse with a time delay. Details Additional Category Tags: Microscope Accessories Category: Optics Manufacturer Catalog Number: 801-160 Product Manufacturer: National Subcategory: Microscopes