Littelfuse LLNRK150 - RK1 Class Fuse 150A@250V (200kA AIC)

Littelfuse LLNRK150 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 150A current capacity and a high interrupting rating of 200kA at 250V for reliable short-circuit protection. The single-barrel construction measures 1.59 inches in diameter with a durable ceramic body, meeting UL/CSA standards for safety and performance. Its current-limiting design provides fast-acting protection against overloads and short circuits in motor control centers, switchgear, and industrial power distribution panels.

Key Features & Specifications

• Type: Current-limiting RK1-class fuse with ceramic body
• Voltage Rating: 250V AC
• Current Rating: 150A
• Dimensions: 1.59" diameter
• Standards: UL/CSA listed
• Applications: Motor control centers, switchgear, industrial power distribution
• Class Rating: RK1
• Barrels: 1
• AIC rating: 200kA@250V
• Weight: 1 lb

Product Identification

• UPC: 07945833086
• GTIN: 00079458330861