The New FERRAZ SHAWMUT A050F40-4 semiconductor fuse is a high-quality electrical component designed for commercial, branch circuit, and industrial applications. With a maximum amperage of 40A and thermal overload protection features, this multicolored fuse is made of fiberglass/glass-reinforced plastic for durability. Manufactured in Mexico, this fuse offers reliable protection for electrical systems, ensuring safety and efficiency in various industrial settings.