Littelfuse FLNR050 - Class RK5 Time-Delay Fuse 50A 250V (200kA AIC)

Littelfuse FLNR050 is a UL Class RK5 dual-element time-delay fuse designed for circuit protection in industrial applications. Rated for 250V AC/DC systems with a 50A current capacity, it features a ferrule rejection connection and time-delay characteristics for inrush current tolerance. The compact 0.81" diameter x 3" cylindrical body (0.44 lb) meets CE, UL 248-12 Class RK5, CSA, and QPL-W-F-1814 standards, offering 200kA interrupting capacity at rated voltage. Typical applications include motor branch circuits, transformers, and power distribution panels requiring reliable overload and short-circuit protection.

Key Features & Specifications

• Type: UL Class RK5 dual-element time-delay fuse
• Voltage Rating: 250V AC/DC
• Current Rating: 50A
• Dimensions: 0.81" diameter x 3" length
• Weight: 0.44 lb
• Standards: CE, UL 248-12 Class RK5, CSA, QPL-W-F-1814
• Applications: Motor protection, transformers, power distribution
• Class Rating: RK5
• Connection: Ferrule rejection
• Barrels: 1
• Velocity: Time-delay (TD)
• AIC rating: 200kA@250V
• Country of Origin: Mexico

Product Identification

• UPC: 07945815077
• GTIN: 00079458150773