Littelfuse FLNR-400ID - Class J Time-Delay Fuse 400A 600V AC (200kA Interrupt Rating)

Littelfuse FLNR-400ID is a low-voltage current-limiting fuse from the Powr-Gard family, designed for overcurrent protection in industrial power distribution systems. It features a 400A current rating with a 600V AC voltage rating, housed in a durable cylindrical body with Class J time-delay characteristics. The fuse meets UL/CSA standards for safety and reliability in demanding environments. Its robust construction includes precision-engineered fusible elements for consistent performance. Typical applications include motor branch circuits, transformer protection, and industrial control panels.

Key Features & Specifications

• Type: Class J time-delay current-limiting fuse
• Voltage Rating: 600V AC
• Current Rating: 400A
• Standards: UL 248-8, CSA C22.2 No. 248.8
• Applications: Industrial power distribution, motor protection, transformer circuits
• Fuse Class: J
• Interrupt Rating: 200kA
• Mounting: Bolt-on terminal connection
• Item Subcategory: Low Voltage
• Family: Powr-Gard