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Eaton KDB3350Y - Molded Case Circuit Breaker 350A 600V 3-Pole

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Eaton KDB3350Y is a three-pole molded case circuit breaker from the Series C family, designed for thermal-magnetic overcurrent protection in industrial power distribution systems. Rated for 350A at 600VAC and 250VDC, it provides long-time and instantaneous (LI) trip functions with a fixed thermal and fixed magnetic trip unit, delivering 35kA interrupting capacity at 480VAC and 65kAIC at 240VAC. The K-frame breaker measures 4.1 inches in depth by 5.5 inches in height and width, weighs 11.5 lb, and features a bolt-on connection with aluminum terminals for secure installation. It is UL Listed for safety compliance and operates at 50/60 Hz frequency. This breaker is suited for fixed mounting in panelboards and switchboards requiring reliable circuit isolation and protection.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: Series C
  • Country of Origin: Dominican Republic
  • Type: KDB
  • Dimensions: 4.1 in x 5.5 in x 5.5 in (Length/Depth x Height x Width)
  • Weight: 11.5 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: K Frame
  • Voltage Rating: 600VAC, 250VDC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Certification: UL Listed
  • AIC rating: 35kA@480V, 65kAIC@240V
  • Phase: 3
  • Current Rating: 350A
  • Trip Type: Fixed Thermal / Fixed Magnetic (T186)
  • Terminal Material: Aluminum
  • Frequency Rating: 50/60 Hz
  • Mounting Type: Fixed


Product Identification
  • UPC: 786679080030
  • GTIN: 00786679080030