The Bussmann FRN-R-150 250 V AC 150 A Class RK5 Current-Limiting Time-Delay Fuses are high-quality electrical fuses suitable for commercial and industrial applications. With a maximum amperage of 150 A and thermal overload protection, these fuses provide reliable protection against overloads and short circuits. The cartridge-type high rupturing capacity (HRC) design, along with the fiberglass/glass-reinforced plastic (GRP) material, ensures durability and safety in electrical wiring and control equipment panels. The vertical orientation and clip-on mounting style make installation easy, while the time-delay slow-blow fuse speed offers added security in high-pressure situations.