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Eaton HKDB3300 - 3-Pole 300A Molded Case Breaker (600V, 65kA)

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Eaton HKDB3300 is a 3-pole, 300A molded case circuit breaker from the Series C family, designed for LI (Long-Time and Instantaneous) protection via a thermal magnetic trip mechanism. This K-frame unit is rated for 600VAC, 3-phase operation with a 65kA interrupting capacity at 480VAC, and features a feed-thru connection. The breaker measures 4.1 inches in depth, 5.5 inches in height, and 5.5 inches in width, weighing 11 lb, and is constructed for robust industrial environments. It is UL Listed and manufactured in the Dominican Republic by Eaton, making it suitable for protecting branch circuits and feeders in commercial and industrial power distribution systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • 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: Commercial and industrial power distribution
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Phase: 3
  • Amperage: 300A
  • AIC rating: 65kA@480V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: K Frame
  • Breaker Type: HKDB
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489
  • Installation Type: Panelboard
  • Breaker Frame: K Frame
  • Current Rating: 300A
  • Family: Series C
  • Country of Origin: Dominican Republic
  • Weight: 11 lb


Product Identification
  • UPC: 782113952277
  • GTIN: 00782113952277