Bussmann 30A NON Cartridge General Purpose Fuse is a one-time, non-current limiting fuse designed for general-purpose applications. It is commonly used in lighting circuits, main panel protections, and other circuits that do not include large electric motors. This fuse has no time delay and is UL listed as Class K5 with ferrule ends, ing a 50,000-ampere interrupting rating (AIR). Rated for 250 volts, the NON cartridge design makes it easy to replace when needed. This fuse is suitable for various electrical applications where reliable overcurrent protection is essential. Model Number: NON-30