The Lot of 3 Bussmann Fusetron FRS-R-10 Current Limiting Time Delay Fuse Class RK5 is a set of electrical fuses suitable for interior use. These fuses have a Type D tripping characteristic, AC current type, and thermal overload protection features. With a maximum amperage of 10A and a voltage range of 551-600V, these cartridge fuses are designed for overload protection and come in a green color. The Bussmann brand ensures quality and reliability, making them a suitable choice for any room in a building.