Littelfuse FLNR045 - RK5 Time-Delay Fuse 45A 250V (200kA AIC Rating)

Littelfuse FLNR045 is a UL Class RK5 dual-element time-delay fuse designed for circuit protection in industrial electrical systems. Rated for 250V AC/DC operation with a 45A current capacity, it features a ferrule rejection connection and time-delay characteristics for overload protection. The fuse measures 0.56" in diameter with a 3" length and 0.44 lb weight, constructed to meet UL 248-12 Class RK5, CSA, and QPL-W-F-1814 standards. With a 200kA interrupting rating at 250V, it provides reliable protection for motor circuits, transformers, and power distribution equipment.

Key Features & Specifications

• Type: Dual-element time-delay fuse with ferrule rejection
• Voltage Rating: 250V AC/DC
• Current Rating: 45A
• Dimensions: 0.56" diameter x 3" length
• Weight: 0.44 lb
• Standards: UL 248-12 Class RK5, CSA, QPL-W-F-1814, CE
• 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: 07945815076
• GTIN: 00079458150766