Ferraz Shawmut NRN 40 Fuses are 40 Amp, 250 Volt, time-delay, current-limiting fuses designed for use in a variety of applications. These fuses are UL Listed, CSA Certified, and CE Certified to provide reliable protection against electrical overloads and short circuits. They feature an interrupt rating of 10kA at 250VAC, and they are made of high-quality materials to ensure long-lasting performance. The NRN 40 Fuse features a ceramic body with nickel-plated silver alloy end caps for superior corrosion resistance.