Littelfuse FLNR-450 - Low Voltage Fuse 450A (600V AC RK5 Time-Delay)

Littelfuse FLNR-450 is a low-voltage current-limiting fuse designed for circuit protection in industrial electrical systems. It features a 600V AC rating with a 450A current capacity, housed in a compact 0.56-inch diameter cylindrical body constructed with durable materials for reliable operation. The RK5 class time-delay (TD) design provides selective coordination while meeting UL/CSA standards for safety compliance. Typical applications include motor branch circuits, transformer protection, and feeder distribution panels where high interrupting capacity is required.

Key Features & Specifications

• Type: Current-limiting time-delay fuse with single-barrel construction
• Voltage Rating: 600V AC
• Current Rating: 450A
• Dimensions: 0.56" diameter
• Standards: UL/CSA listed
• Applications: Industrial motor circuits, transformer protection, panelboards
• Class Rating: RK5
• Velocity: Time Delay (TD)
• Barrels: 1

Product Identification

• UPC: 07945802399
• GTIN: 07945815095