Designed for reliable circuit protection, this Cooper Bussmann FRN-R-40 fuse is rated for 40 A and 250 V, making it ideal for a wide range of industrial and commercial applications. Manufactured with high-quality copper and meeting UL specifications, this cartridge fuse ensures dependable performance and safety. Its through-hole mount design allows for easy installation in compatible fuse holders. The compact dimensions—3 in. length, 0.825 in. width, and 0.825 in. height—make it suitable for tight spaces while maintaining robust protection. Weighing only 0.28 lb., it is lightweight yet durable. This 40 amp 250v fuse is perfect for safeguarding electrical systems against overloads and short circuits, helping to prevent costly equipment damage. No batteries are required or included, and the product is compliant with national stock number 5920-01-272-6234. Choose this 40 amp fuse for dependable circuit protection in your electrical systems.