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Eaton KI3300L - Molded Case Circuit Breaker 300A 480V

Cutler Hammer
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Eaton KI3300L is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It provides a 300A current rating with a voltage rating of 480V and an AIC rating of 20kA at 480V, utilizing a thermal magnetic protection mechanism with LI (Long-Time and Instantaneous) functions. The unit features a feed-thru connection, weighs 12 lb, and measures 12.4 in x 6.3 in x 6.8 in (Length/Depth x Height x Width), manufactured in the Dominican Republic. It is certified to IEC 947-2 standards, ensuring compliance with international safety and performance requirements. This breaker is typically applied in three-phase industrial environments requiring reliable circuit interruption and coordination.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 480V
  • Current Rating: 300A
  • Dimensions: 12.4 in x 6.3 in x 6.8 in (Length/Depth x Height x Width)
  • Standards: IEC 947-2
  • Applications: Industrial power distribution, three-phase systems
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC rating: 20kA@480V
  • Phase: 3
  • Weight: 12 lb
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 78667909589
  • GTIN: 00786679095898