Product Info Catalog Electrical & Lighting Fuses & Circuit Breakers Fuses & Cartridges 45A Type FRN-R Cartridge Fuse 45A Type FRN-R Cartridge Fuse Request a Quote UPC: 51712101790 Manufacturer: Cooper Lighting ( Choose the Vendor - Eaton - for Cooper Brand Name) SKU: 733717 Model Number: FRN-R-45 45A Type FRN-R Cartridge Fuse, Fusetron Time Delay, 250V, Boxed.