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Cutler Hammer KDC3300 - Molded Case Circuit Breaker (300A, 600V, 3P)

Cutler Hammer
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The Cutler Hammer KDC3300 is a molded case circuit breaker designed to provide reliable overcurrent protection for three-phase industrial power distribution systems. It features a 300A current rating and a 600V AC voltage rating, housed within a compact K-frame measuring 4.1" x 5.5" x 5.5" and weighing 11.5 lb. This thermal-magnetic breaker offers both long-time and instantaneous (LI) trip functions, is UL Listed, and operates effectively in temperatures from -25°C to 70°C. Its 100kA interrupting capacity at 480V and feed-thru connection make it suitable for protecting feeders and branch circuits in commercial and industrial panelboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, K Frame
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Dimensions: 4.1 in (D) x 5.5 in (H) x 5.5 in (W)
  • Standards: UL Listed
  • Applications: Industrial power distribution, feeder and branch circuit protection
  • Phase: 3
  • AIC Rating: 100kA @ 480V AC
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip (LI)
  • Frame Size: K Frame
  • Trip Type: Thermal Magnetic
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Weight: 11.5 lb
  • Family: Series C
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786679341681
  • GTIN: 00786679341681