Littelfuse FLNR-300 - Class R Fuse 300A 600V AC (200kA Interrupting Rating)

Littelfuse FLNR-300 is a low-voltage current-limiting fuse designed for branch circuit and feeder protection in industrial electrical systems. It features a 300A current rating and a 600V AC voltage rating, providing reliable overcurrent protection. The fuse is constructed with a durable ceramic body and silver-plated copper ferrules, ensuring stable performance and high interrupting capacity. It complies with UL Class R and CSA standards for safety and reliability. Typical applications include protection of motor circuits, transformers, and distribution equipment in commercial and industrial facilities.

Key Features & Specifications

• Type: Low-voltage current-limiting fuse, ceramic body, silver-plated copper ferrules
• Voltage Rating: 600V AC
• Current Rating: 300A
• Dimensions: Standard Class R dimensions
• Standards: UL Class R, CSA certified
• Applications: Motor circuit protection, transformer protection, industrial distribution systems
• Fuse Class: Class R
• Interrupting Rating: 200kA RMS symmetrical
• Mounting: Standard fuse clip mounting