OT25 Mersen OT Series Low Voltage Fuse 250V 25A Fuse - Essential Electric Supply
OT25 Mersen OT Series Low Voltage Fuse 250V 25A Fuse - Essential Electric Supply

Cutler-Hammer OT25 - Class K-5 Time-Delay Fuse 25A 250V (50kA AIC Rating)

Cutler Hammer
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The Cutler-Hammer OT25 is a Class K-5 time-delay fuse designed for motor circuit protection in industrial applications. It features a 25A current rating and 250V AC voltage rating with an interrupting capacity of 50kA, providing reliable short-circuit protection. The fuse construction includes a single-barrel design measuring 2 inches in length with a 0.56-inch diameter and weighs 0.04 lb, engineered for compact installation in motor control centers and industrial panels. This fuse complies with industry standards for time-delay characteristics, allowing temporary overloads during motor starting while maintaining protection against sustained faults. Typical applications include motor branch circuit protection, combination motor starters, and industrial control panels where coordinated protection is essential.

Key Features & Specifications
  • Type: Class K-5 time-delay fuse, single barrel construction
  • Voltage Rating: 250V AC
  • Current Rating: 25A
  • Dimensions: 2 inches length, 0.56 inches diameter
  • Weight: 0.04 lb
  • Standards: Class K-5 time-delay rating
  • Applications: Motor circuit protection, industrial control panels, motor control centers
  • AIC rating: 50kA @ 250V
  • Barrels: 1
  • Class Rating: K-5
  • Family: OT Series


Product Identification
  • UPC: 782001700133
  • GTIN: 00782001700133