A2K350R Ferraz Shawmut A2K-R Series Low Voltage Fuse 250V 350A Fuse - Essential Electric Supply
A2K350R Ferraz Shawmut A2K-R Series Low Voltage Fuse 250V 350A Fuse - Essential Electric Supply

Cutler Hammer A2K350R - RK1 Class Fuse 350A 250V (200kA AIC)

Cutler Hammer
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Cutler Hammer A2K350R is a low-voltage current-limiting fuse designed to provide reliable overcurrent protection for industrial electrical systems. It features a 350A current rating and a 250V voltage rating, with a high interrupting capacity of 200kA at 250V to safely clear major fault currents. The fuse is constructed as a single-barrel RK1 class fuse with a diameter of 2.06 inches and a weight of 1 lb, utilizing a time-delay design to prevent nuisance tripping from motor startups. It complies with industry standards for RK1 fuses, ensuring consistent performance in demanding applications such as protecting feeders, mains, and motor circuits in panelboards and switchgear.

Key Features & Specifications
  • Type: A2K-R Series, single-barrel, time-delay, current-limiting, low-voltage fuse
  • Voltage Rating: 250V AC
  • Current Rating: 350A
  • Dimensions: 2.06 inches in diameter
  • Standards: RK1 class rating
  • Applications: Protection for feeders, mains, and motor circuits in industrial panelboards and switchgear
  • AIC rating: 200kA @ 250V
  • Class Rating: RK1
  • Barrels: 1
  • Weight: 1 lb


Product Identification
  • UPC: 078200191535
  • GTIN: 00782001915353