Product Info Catalog Electrical & Lighting Fuses & Circuit Breakers Fuses & Cartridges Cartridge Fuse, Type FRN-R, 250-Volt, 30-Amp Cartridge Fuse, Type FRN-R, 250-Volt, 30-Amp Request a Quote UPC: 51712101769 Manufacturer: Cooper Lighting ( Choose the Vendor - Eaton - for Cooper Brand Name) SKU: 411025 Model Number: FRN-R-30 30a type frn-r cartridge fuse, fusetron time delay, 250v.