Littelfuse FLNR125 - UL Class RK5 Time-Delay Fuse 125A (200kA AIC @250V)

Littelfuse FLNR125 is a UL Class RK5 dual-element time-delay fuse designed for circuit protection in industrial power distribution systems. Rated for 250V AC/DC operation with a 125A current capacity, it features a rejection blade connection and time-delay characteristics for overload protection. The fuse measures 7-1/8 inches in length with a 1.59-inch diameter barrel construction, meeting UL 248-12 Class RK5, CSA, and CE standards. With a 200kA interrupting capacity at 250V, it provides reliable protection for motor circuits, transformers, and power distribution panels in commercial and industrial applications.

Key Features & Specifications

• Type: UL Class RK5 dual-element time-delay fuse
• Voltage Rating: 250V AC/DC
• Current Rating: 125A
• Dimensions: 7-1/8 in length, 1.59 in diameter
• Standards: CE, UL 248-12 Class RK5, CSA, QPL-W-F-1814
• Applications: Motor circuits, transformers, power distribution
• Connection: Rejection blade
• Barrels: 1
• Velocity: Time-delay (TD)
• AIC Rating: 200kA @ 250V
• Class Rating: RK5

Product Identification

• UPC: 079458150841
• GTIN: 00079458150841