Littelfuse LLSRK400 - RK1 Class Fuse 600V/400A (200kA AIC Rating)

Littelfuse LLSRK400 is a low-voltage current-limiting fuse designed for high-interrupting capacity circuit protection in industrial applications. It features a 600V AC/DC voltage rating and 400A current rating with a 200kA interrupting capacity at 600V, housed in a durable 2.59-inch diameter RK1-class barrel construction. The fuse meets UL Standard 248-12 and CSA certifications for reliable performance in demanding environments. Typical applications include motor control centers, switchgear, and power distribution systems requiring robust short-circuit protection.

Key Features & Specifications

• Type: LLSRK current-limiting fuse with single-barrel design
• Voltage Rating: 600V AC/DC
• Current Rating: 400A
• Dimensions: 2.59" diameter
• Standards: UL 248-12 / CSA certified
• Applications: Industrial power distribution, motor protection
• Class Rating: RK1
• AIC rating: 200kA@600V
• Weight: 2 lb
• Country of Origin: Mexico

Product Identification

• UPC: 079458350937
• GTIN: 00079458350937