OT300 Ferraz Shawmut OT Series Low Voltage Fuse 250V 300A Fuse - Essential Electric Supply
OT300 Ferraz Shawmut OT Series Low Voltage Fuse 250V 300A Fuse - Essential Electric Supply

Cutler-Hammer OT300 - Class K-5 Fuse 300A (50kA AIC @ 250V)

Cutler Hammer
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The Cutler-Hammer OT300 is a Class K-5 current-limiting fuse designed to provide reliable overcurrent protection in industrial electrical systems. This 300A rated fuse operates at 250V AC with an impressive 50kA interrupting capacity, ensuring robust short-circuit protection. Constructed as a single-barrel design measuring 8.63 inches in length with a 1.06-inch diameter, the fuse features durable construction weighing 7 pounds for industrial durability. It complies with industry standards for Class K-5 fuses, making it suitable for demanding applications including motor branch circuits, feeder circuits, and industrial control panels where high fault current protection is critical.

Key Features & Specifications
  • Type: Class K-5 current-limiting fuse, single-barrel design
  • Voltage Rating: 250V AC
  • Current Rating: 300A
  • Dimensions: 8.63 inches length, 1.06 inches diameter
  • Weight: 7 lb
  • Standards: Class K-5 fuse standards
  • Applications: Motor branch circuits, feeder circuits, industrial control panels
  • AIC rating: 50kA@250V
  • Barrels: 1
  • Class Rating: K-5
  • Family: OT Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 782001700447
  • GTIN: 00782001700447