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Eaton KDC3350L - 3-Pole 350A Molded Case Breaker (600V)

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Eaton KDC3350L is a three-pole molded case circuit breaker from the Series C family, designed to provide thermal-magnetic overcurrent protection with long-time and instantaneous (LI) trip functions for industrial and commercial power systems. Rated at 350 amps and 600 Vac or 250 Vdc, this K-frame unit delivers an interrupting capacity of 100 kAIC at 480 Vac and 65 kAIC at 240 Vac, operating at 50 to 60 Hz. The breaker features a feed-thru connection with aluminum line and load terminals, weighs 12 lb, and is constructed with a fixed thermal and fixed magnetic trip assembly for reliable fault interruption. It is UL Listed for safety and performance compliance in demanding environments. Typical applications include distribution panels, switchboards, and motor control centers requiring robust 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: 100 kAIC at 480 Vac, 65 kAIC at 240 Vac
  • Phase: 3
  • Current Rating: 350 A
  • Frequency Rating: 50 to 60 Hz
  • Terminal Material: Aluminum
  • Terminals: Line and load
  • Trip Type: Fixed thermal, fixed magnetic
  • Certifications: UL Listed