OT400 Ferraz Shawmut OT Series Low Voltage Fuse 250V 400A Fuse - Essential Electric Supply
OT400 Ferraz Shawmut OT Series Low Voltage Fuse 250V 400A Fuse - Essential Electric Supply

Cutler-Hammer OT400 - Class K-5 Fuse 400A 250V (50kA AIC Rating)

Cutler Hammer
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The Cutler-Hammer OT400 is a Class K-5 low-voltage current-limiting fuse designed to provide reliable overcurrent protection in industrial electrical systems. It features a 400A current rating and 250V voltage rating with an interrupting capacity of 50kA at 250V AC. The fuse construction includes a single-barrel design measuring 8.63 inches in length with a 2.06-inch diameter and weighs 1.45 lb. This OT Series fuse meets industry standards for current-limiting protection and is manufactured in Mexico. Typical applications include motor circuit protection, feeder circuits, and industrial power distribution systems where high interrupting capacity is required.

Key Features & Specifications
  • Type: Class K-5 current-limiting fuse, single-barrel design
  • Voltage Rating: 250V AC
  • Current Rating: 400A
  • Dimensions: 8.63 inches length, 2.06 inches diameter
  • Weight: 1.45 lb
  • Standards: Meets industry standards for current-limiting protection
  • Applications: Motor circuit protection, feeder circuits, industrial power distribution
  • AIC Rating: 50kA@250V
  • Class Rating: K-5
  • Barrels: 1
  • Family: OT Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 782001700485
  • GTIN: 00782001700485