Littelfuse FLNR400ID - UL Class RK5 Time-Delay Fuse 400A @ 250V (200kA AIC)

Littelfuse FLNR400ID is a UL Class RK5 dual-element time-delay fuse designed for circuit protection in industrial electrical systems, featuring visual indication for fault detection. It operates at 250V AC with a 400A current rating and offers a 200kA interrupting capacity at rated voltage. The fuse features a rejection blade connection, measures 8 5/8 inches in length with a 2.09-inch diameter, and is constructed for time-delay (TD) operation to withstand temporary overloads. Certified to CSA, cUL, and UL standards, this Mexico-manufactured fuse is ideal for motor circuits, transformers, and feeder protection in commercial and industrial power distribution systems.

Key Features & Specifications

• Type: UL Class RK5 dual-element time-delay fuse with visual indication
• Voltage Rating: 250V AC
• Current Rating: 400A
• Dimensions: 8 5/8 in length, 2.09 in diameter
• Weight: 1.65 lb
• Connection: Rejection blade
• Barrels: 1
• Velocity: Time-delay (TD)
• Certification: CSA, cUL, UL
• AIC Rating: 200kA @ 250V
• Class Rating: RK5
• Applications: Motor circuits, transformers, feeder protection

Product Identification

• UPC: 079458023985
• GTIN: 00079458023985