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Eaton KDC3300L - Molded Case Circuit Breaker 300A 3-Pole

Cutler Hammer
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Eaton KDC3300L is a 300A molded case circuit breaker from the Series C family, designed for thermal-magnetic overcurrent protection with LI (Long-Time and Instantaneous) trip functions. This 3-pole, 3-phase unit operates at a voltage rating of 600VAC and 250VDC, with a high interrupting capacity of 100kA at 480VAC. It features a K Frame size with feed-thru connection, weighs 12 lb, and is constructed for fixed mounting in industrial environments. The breaker is UL Listed, ensuring compliance with rigorous safety and performance standards. Typical applications include industrial and commercial power distribution systems requiring robust fault current interruption and reliable circuit protection.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: Series C
  • Type: KDC
  • Weight: 12 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: K Frame
  • Voltage Rating: 600 VAC / 250 VDC
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC rating: 100kA@480V
  • Phase: 3
  • Current Rating: 300 A
  • Amperage Rating: 300 A
  • Interrupt Rating: 100 kA at 600 VAC
  • Mounting Type: Fixed
  • Certifications: UL Listed
  • Trip Type: Fixed Thermal / Fixed Magnetic