Littelfuse FLNR125ID - RK5 Time-Delay Fuse 125A 250V (200kA AIC)

Littelfuse FLNR125ID is a UL Class RK5 dual-element time-delay fuse designed for circuit protection in industrial applications, featuring visual indication for blown fuse detection. Rated for 250V AC systems with a 125A current capacity, it provides 200kA interrupting capacity at rated voltage for reliable short-circuit protection. The fuse measures 7 1/8" in length with a 1.59" diameter rejection blade design, constructed with time-delay characteristics for motor circuit protection. Certified to CSA, cUL, and UL standards, this Mexico-manufactured fuse is commonly used in panelboards, switchgear, and industrial control equipment requiring RK5 protection.

Key Features & Specifications

• Type: UL Class RK5 dual-element time-delay fuse with visual indication
• Voltage Rating: 250V AC
• Current Rating: 125A
• Dimensions: 7 1/8" length x 1.59" diameter
• Standards: CSA, cUL, UL listed
• Applications: Industrial control panels, motor circuits, switchgear
• Connection: Rejection blade
• Class Rating: RK5
• AIC rating: 200kA@250V
• Weight: 0.8 lb
• Velocity: Time-delay (TD) characteristic

Product Identification

• UPC: 079458023909
• GTIN: 00079458023909