JLLN400 | Fuse 300V F/A CLASS T 400A | Littelfuse

Fuse 300V F/A CLASS T 400A: Littelfuse JLLN400 This Littelfuse JLLN400 fuse provides reliable protection for high-voltage applications with a voltage rating of 300V and a current rating of 400A. Its Fast-Acting (F/A) characteristic ensures rapid interruption of fault currents, minimizing damage to equipment and preventing electrical fires. Manufactured to exacting standards, this fuse features a CLASS T designation, indicating its suitability for high-temperature environments. The fuse's rugged construction ensures durability and longevity, even under demanding operating conditions. The Littelfuse JLLN400 fuse is commonly used in industrial and commercial settings, where reliable overcurrent protection is essential. Its applications include power distribution systems, motor controls, and other electrical circuits requiring high-voltage protection. By choosing our HVAC supply store for your fuse needs, you can benefit from our competitive prices and fast shipping. Trust our HVAC supply store for all your industrial and maintenance supplies, and experience the difference in quality and service.