Littelfuse LLNRK250 - RK1 Class Fuse 250A@250V (200kA AIC)

Littelfuse LLNRK250 is a low-voltage current-limiting fuse designed for circuit protection in industrial electrical systems. This RK1-class fuse features a 250V AC rating with a 250A current capacity and 200kA interrupting rating at 250V for high-fault protection. The single-barrel construction measures 2.09" in diameter with a durable ceramic body for thermal stability. It complies with industry standards for time-delay fuses, making it suitable for motor branch circuits, transformers, and feeder protection where selective coordination is required.

Key Features & Specifications

• Type: LLNRK series time-delay current-limiting fuse (RK1 class)
• Voltage Rating: 250V AC
• Current Rating: 250A
• Dimensions: 2.09" diameter single-barrel design
• Standards: UL/CSA recognized
• Applications: Motor circuits, transformers, feeder protection
• AIC rating: 200kA@250V
• Class Rating: RK1
• Weight: 2 lb

Product Identification

• UPC: 07945833090
• GTIN: 00079458330908