OT3 Hubbell OT Series Low Voltage Fuse 250V 3A Fuse - Essential Electric Supply
OT3 Hubbell OT Series Low Voltage Fuse 250V 3A Fuse - Essential Electric Supply

Ferraz Shawmut OT3 - Class K-5 Time-Delay Fuse 3A 250V (50kA AIC Rating)

Ferraz Shawmut
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The Ferraz Shawmut OT3 is a Class K-5 time-delay fuse designed for branch circuit protection in industrial electrical systems, providing reliable overload and short-circuit interruption. It features a 250V AC voltage rating with a 3A current rating and 50kA interrupting capacity at 250V AC for robust fault protection. The single-barrel construction measures 0.56 inches in diameter with a compact design weighing 0.04 lb, engineered for space-efficient panel mounting. This fuse meets industry standards for time-delay characteristics and is UL/CSA certified for safety compliance. Typical applications include motor circuit protection, transformer protection, and industrial control panel applications where coordinated protection is required.

Key Features & Specifications
  • Type: Class K-5 time-delay fuse, single barrel construction
  • Voltage Rating: 250V AC
  • Current Rating: 3A
  • Dimensions: 0.56" diameter
  • Standards: UL/CSA certified
  • Applications: Motor circuit protection, transformer protection, industrial control panels
  • AIC rating: 50kA@250V AC
  • Class Rating: K-5
  • Barrels: 1
  • Weight: 0.04 lb


Product Identification
  • UPC: 782001700027
  • GTIN: 00782001700027