Fusetron Dual-element Time-delay Fuse, 40-amp

Introducing the Bussmann 40A FRN-R Cartridge Heavy-Duty Time Delay Cartridge Fuse, now available at Luedtke Lumber True Value in Lomira, WI. This robust and reliable fuse is designed specifically for motor protection, making it an essential component for both professionals and DIY enthusiasts. With its heavy-duty construction and time delay feature, this fuse ensures that your motors are safeguarded against burnout caused by overloads or single phasing, providing peace of mind during operation.

• Heavy-Duty Design: Built to withstand demanding conditions, this fuse is perfect for protecting motors in various applications.


• Time Delay Feature: Allows the initial startup surge of typical motors to pass, while opening before burnout occurs during prolonged overloads.


• UL Listed: Certified by Underwriter's Laboratories, ensuring safety and reliability with a Class R 200,000 AIR (amp interrupting rating).


• Versatile Compatibility: Suitable for a range of amperage ratings, with ferrule ends for 1/10A to 60A and knife-blade ends for 70A to 200A.


• Voltage Rating: Operates at a maximum of 250 volts, making it ideal for various electrical systems.

Imagine using the Bussmann 40A FRN-R fuse in your workshop or job site in Lomira. Whether you're working on industrial machinery or residential electrical systems, this fuse provides the necessary protection to keep your motors running smoothly. Its time delay feature is particularly beneficial during startup, allowing for a brief surge without tripping the fuse, which is crucial for maintaining productivity in your projects.



In conclusion, the Bussmann 40A FRN-R Cartridge Heavy-Duty Time Delay Cartridge Fuse is not just a fuse; it is a vital component that enhances the safety and efficiency of your electrical systems. Don't compromise on quality when it comes to protecting your motors. Get yours today at Luedtke Lumber True Value in Lomira, WI, and ensure your equipment operates at its best.