Description
The Littelfuse JLLN045 is a 45 amp, 300 V fast‑acting Class T fuse engineered to provide rapid and reliable overcurrent protection in industrial and commercial electrical systems. Its fast‑acting characteristic responds quickly to short circuits and overload conditions, helping safeguard sensitive equipment and minimize potential damage. Designed with a Class T profile, this fuse offers high interrupting capacity and compact construction, making it well‑suited for motor control, power distribution, and other high‑stress applications where quick fault clearing is essential. Built for durability and long service life, the JLLN045 delivers dependable performance and enhanced safety in demanding environments.
Key Features:
- 45 amp current rating for robust circuit protection
- 300 V rating for versatile industrial and commercial use
- Fast‑acting design for rapid response to faults
- Class T fuse with high interrupting capacity
- Compact construction for space‑efficient installations
- Reliable performance in demanding electrical environments
- Ideal for motor control, power distribution, and critical systems







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