A4BY450 Mersen AKR Series Low Voltage Fuse 600V 450A Fuse - Essential Electric Supply
A4BY450 Mersen AKR Series Low Voltage Fuse 600V 450A Fuse - Essential Electric Supply

Cutler Hammer A4BY450 - Class L Fuse 450A (200kA AIC @600V)

Cutler Hammer
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Cutler Hammer A4BY450 is a low-voltage current-limiting fuse designed to provide high-interrupting capacity protection for industrial electrical equipment. It features a 450A current rating and a 600V AC voltage rating, with a 200kA interrupting rating at 600V AC to safely clear high-level faults. The fuse is constructed as a single-barrel, Class L device with a 2-inch diameter and a weight of 3 lb, built for robust performance. It complies with UL and CSA standards, ensuring reliable operation in demanding applications such as service entrance equipment, feeders, and branch circuits.

Key Features & Specifications
  • Type: Current-limiting, single-barrel fuse, Class L
  • Voltage Rating: 600V AC
  • Current Rating: 450A
  • Interrupting Rating (AIC): 200kA @ 600V AC
  • Dimensions: 2-inch diameter
  • Weight: 3 lb
  • Standards: UL, CSA
  • Family: AKR Series
  • Item Subcategory: Low Voltage


Product Identification
  • UPC: 078200193899
  • GTIN: 00782001938994