Littelfuse LLSRK250 - Class RK1 Fuse 250A@600V (200kA AIC)

Littelfuse LLSRK250 is a Class RK1 low-voltage fuse designed for high-interrupting circuit protection in industrial electrical systems. It features a 600V AC/DC voltage rating and 250A current capacity with a 200kA interrupting rating at 600V for reliable fault protection. The fuse has a compact cylindrical design with a 2.59" diameter and single-barrel construction weighing 2 lb, meeting UL/CSA standards for safety compliance. Its RK1 classification ensures time-delay characteristics for motor circuit protection while preventing nuisance tripping. Typical applications include switchgear, motor control centers, and industrial power distribution systems requiring durable short-circuit protection.

Key Features & Specifications

• Type: Class RK1 time-delay fuse with single-barrel construction
• Voltage Rating: 600V AC/DC
• Current Rating: 250A
• Dimensions: 2.59" diameter
• Standards: UL/CSA listed
• Applications: Industrial power distribution, motor circuits, switchgear
• AIC rating: 200kA@600V
• Class Rating: RK1
• Barrels: 1
• Weight: 2 lb

Product Identification

• UPC: 079458350906
• GTIN: 00079458350906