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Eaton KD3300Y - Molded Case 300A 3-Pole (600VAC, 35kA@480V)

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Eaton KD3300Y is a three-pole molded case circuit breaker from the Series C family, designed for overcurrent protection in three-phase power distribution systems. It is rated for 300A at 600VAC (250VDC) and features a thermal-magnetic trip unit with long-time and instantaneous (LI) functions, delivering an interrupting capacity of 35kA at 480VAC. The unit has a K Frame size, measures 4.1 inches in depth by 5.5 inches in height by 5.5 inches in width, weighs 10.4 lb, and uses a bolt-on connection. It is UL Listed for safety and reliability. This breaker is suited for demanding commercial and industrial environments requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Eaton
  • Family: Series C
  • Type: KD
  • Poles: 3
  • Phase: 3
  • Current Rating: 300 A
  • Voltage Rating: 600 VAC, 250 VDC
  • AIC Rating: 35kA @ 480V
  • Interrupt Rating: 65 kA @ 240 VAC, 35 kA @ 480 VAC, 25 kA @ 600 VAC
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Trip Type: T186 Fixed Thermal/Fixed Magnetic
  • Frame Size: K Frame
  • Connection: Bolt-On
  • Dimensions: 4.1 in x 5.5 in x 5.5 in (Length/Depth x Height x Width)
  • Weight: 10.4 lb
  • Certification: UL Listed
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786679471203
  • GTIN: 00786679471203