Littelfuse LLNRK090 - RK1 Time-Delay Fuse 90A (200kA@250V Interrupt Rating)

Littelfuse LLNRK090 is a low-voltage RK1 time-delay fuse designed for circuit protection in industrial electrical systems. It features a 250V AC rating with a 90A current capacity and 200kA interrupting rating at 250V for reliable short-circuit protection. The fuse has a single-barrel construction with a 1.06-inch diameter, meeting RK1 classification standards for time-delay characteristics. It complies with industry safety requirements for electrical protection devices. Typical applications include motor branch circuits, transformers, and power distribution panels where time-delay protection is required.

Key Features & Specifications

• Type: RK1 time-delay fuse with single-barrel construction
• Voltage Rating: 250V AC
• Current Rating: 90A
• Diameter: 1.06 inches
• Class Rating: RK1
• AIC Rating: 200kA @ 250V
• Standards: Meets UL/CSA fuse requirements
• Applications: Motor circuits, transformers, panel protection

Product Identification

• UPC: 07945833081
• GTIN: 00079458330816