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Eaton KDB3300W - Molded Case 300A 3-Pole Breaker

Cutler Hammer
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The Eaton Cutler-Hammer KDB3300W is a 3-pole molded case circuit breaker from the Series C family, designed for overcurrent protection in industrial power distribution systems. It is rated for 300A continuous current at 600VAC, with a 35kA interrupting capacity at 480VAC, and provides LI (Long-Time and Instantaneous) protection via a thermal magnetic trip mechanism. This K Frame breaker measures 4.1 inches in depth, 5.5 inches in height, and 5.5 inches in width, weighing 11.3 lb, and features a bolt-on connection style (lugs not included). It is UL Listed and manufactured in the Dominican Republic by Eaton, suitable for 3-phase applications requiring reliable circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI Protection
  • Voltage Rating: 600V
  • Current Rating: 300A
  • Dimensions: 4.1 in x 5.5 in x 5.5 in (Length/Depth x Height x Width)
  • Standards: UL Listed
  • Applications: Industrial power distribution, 3-phase systems
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Frame Size: K Frame
  • Trip Type: Thermal Magnetic
  • Connection: Bolt-On
  • Poles: 3
  • Protection: LI - Long-Time and Instantaneous
  • Functions: LI - Long-Time and Instantaneous
  • Phase: 3
  • AIC rating: 35kA@480V
  • Breaker Type: KDB
  • Family: Series C
  • Country of Origin: Dominican Republic
  • Weight: 11.3 lb
  • Additional Info: Lugs are not included


Product Identification
  • UPC: 786679612125
  • GTIN: 00786679612125