Littelfuse FLNR300 - RK5 Time-Delay Fuse 300A@250V (200kA AIC)

Littelfuse FLNR300 is a UL Class RK5 dual-element time-delay fuse designed for circuit protection in industrial electrical systems. Rated for 300A at 250V AC with a 200kA interrupting capacity, it features rejection blade terminals and time-delay characteristics for overload protection. The fuse measures 8-5/8" in length with a 2.09" diameter and 1.65 lb weight, constructed to meet UL 248-12, CSA, and QPL-W-F-1814 standards. Its RK5 classification ensures selective coordination in power distribution panels, motor circuits, and transformer protection applications.

Key Features & Specifications

• Type: UL Class RK5 dual-element time-delay fuse
• Voltage Rating: 250V AC
• Current Rating: 300A
• Dimensions: 8-5/8" length x 2.09" diameter
• Weight: 1.65 lb
• Connection: Rejection blade
• AIC Rating: 200kA@250V
• Certification: CE, UL 248-12 Class RK5, CSA, QPL-W-F-1814
• Class Rating: RK5
• Velocity: Time-delay (TD)
• Barrels: 1
• Country of Origin: Mexico

Product Identification

• UPC: 07945815091
• GTIN: 00079458150919