Littelfuse FLNR-300 - Class R Fuse 300A 600V (Current-Limiting Protection)

Littelfuse FLNR-300 is a current-limiting fuse designed for robust overcurrent protection in industrial power distribution systems. It features a 300A current rating with a 600V AC voltage rating, providing reliable circuit interruption capabilities. The fuse utilizes a compact cylindrical design with durable ceramic construction and silver-plated ferrules for optimal conductivity and mechanical strength. It complies with UL Class R rejection requirements and meets industry standards for safety and performance. Typical applications include motor control centers, industrial control panels, and power distribution equipment where high-interrupting capacity protection is essential.

Key Features & Specifications

• Type: Current-limiting fuse with ceramic body and silver-plated ferrules
• Voltage Rating: 600V AC
• Current Rating: 300A
• Dimensions: Standard Class R dimensions with cylindrical form factor
• Standards: UL Listed, Class R rejection feature
• Applications: Motor control centers, industrial control panels, power distribution systems
• Fuse Class: Class R
• Weight: 5.19 lb
• Item Subcategory: Low Voltage
• Mounting: Bolt-on connection
• AIC rating: High interrupting capacity
• Connection: Ferruled ends
• Protection: Overcurrent and short-circuit
• Insulation Temperature: Rated for standard industrial operating temperatures
• Certification: UL recognized
• Installation Type: Industrial power circuits

Product Identification

• Manufacturer: Littelfuse
• Model: FLNR-300