Littelfuse FLNR-500ID - Class L Time-Delay Fuse 500A 250V (200kA Interrupting Rating)

Littelfuse FLNR-500ID is a current-limiting fuse designed for overcurrent protection in industrial power distribution systems. It features a 500A current rating and 250V voltage rating for reliable circuit protection under demanding conditions. The fuse construction utilizes a compact design with durable materials and measures 3.5 inches in length with 1.25-inch diameter blade terminals. It complies with UL Class L fuse standards and meets industry requirements for high-interrupting capacity applications. Typical applications include service entrance equipment, industrial control panels, and motor branch circuit protection where high fault current interruption is critical.

Key Features & Specifications

• Type: Current-limiting Class L fuse with time-delay characteristics
• Voltage Rating: 250V AC
• Current Rating: 500A
• Dimensions: 3.5" length, 1.25" diameter blade terminals
• Standards: UL Class L, CSA certified
• Applications: Industrial power distribution, service entrance equipment, motor branch circuits
• Fuse Class: Class L
• Interrupting Rating: 200kA RMS symmetrical
• Weight: 0.8 lb
• Mounting: Blade terminal connection
• Time Delay: Yes
• Current Limiting: Yes