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Littelfuse LLSRK400ID - RK1 Class Fuse 400A 600V (200kA AIC)

Littelfuse
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Littelfuse LLSRK400ID is a low-voltage current-limiting fuse designed for high-fault current protection in industrial power distribution systems. It features a 600V AC rating and a 400A current rating, providing reliable circuit protection. The fuse is constructed as a single-barrel RK1 class device with a 2.59-inch diameter and a weight of 2 lb, engineered for durability. It complies with industry standards for current-limiting fuses and is rated for an interrupting capacity of 200kA at 600V. Typical applications include protecting feeders, mains, and branch circuits in motor control centers, panelboards, and switchgear.

Key Features & Specifications
  • Type: LLSRK_ID, Low Voltage, Current-Limiting, Time-Delay, RK1 Class Fuse
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 2.59" Diameter
  • Standards: Industry Standard for RK1 Current-Limiting Fuses
  • Applications: Industrial Feeder & Branch Circuit Protection, Motor Control Centers, Panelboards, Switchgear
  • AIC rating: 200kA @ 600V
  • Class Rating: RK1
  • Barrels: 1
  • Weight: 2 lb


Product Identification
  • UPC: 079458060713
  • GTIN: 00079458060713