This box contains 9 Bussmann Fusetron Dual Element Fuses of the Class RK5 FRS-R-12 type, with a maximum amperage of 12A and a voltage range of 551-600V. These fuses are suitable for interior use and are made of fiberglass/glass-reinforced plastic (GRP) and copper materials.

They feature thermal overload protection. The fuses are designed with D-Type Cartridge fuse type and have two poles. They are perfect for commercial and industrial applications.