The Bussmann FRN-R 20A / 250 Vac Brass Time-Delay Cartridge Fuse BP/FRN-R-20 (1-PK) is a high-quality electrical fuse designed for interior use. With a maximum amperage of 20A and a voltage range of 201-250V, this cartridge fuse features a clip-on mounting style and a green color finish. The fuse body is made of brass and offers thermal overload protection, making it a reliable choice for electrical protection. With a tripping characteristic of Type D and a time-delay/slow-blow fuse speed, this Bussmann cartridge fuse is suitable for various industrial and commercial applications.