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