Littelfuse FLNR450ID - RK5 Time-Delay Fuse 450A@250V (200kA AIC)

Littelfuse FLNR450ID is a UL Class RK5 dual-element time-delay fuse designed for circuit protection in industrial applications. It features a 250V AC voltage rating and 450A current rating with a 200kA interrupting capacity at rated voltage. The fuse has a rejection blade connection, 2.59" diameter barrel construction, and weighs 3 lb for robust physical durability. Certified to UL Standard 248-12 and CSA requirements, it meets stringent safety standards for electrical protection. Typical applications include motor branch circuits, transformer protection, and feeder circuits requiring time-delay characteristics.

Key Features & Specifications

• Type: UL Class RK5 dual-element time-delay fuse with visual indication
• Voltage Rating: 250V AC
• Current Rating: 450A
• Dimensions: 2.59" diameter barrel
• Standards: UL 248-12, CSA certified
• Applications: Motor circuits, transformers, industrial feeders
• Connection: Rejection blade
• Class Rating: RK5
• AIC rating: 200kA@250V
• Velocity: Time-delay (TD) characteristic
• Weight: 3 lb
• Country of Origin: Mexico

Product Identification

• UPC: 079458023992
• GTIN: 00079458023992