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Westinghouse KD3350X - Molded Case 350A 600V

Westinghouse
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Westinghouse KD3350X is a 3-pole molded case circuit breaker from the Series C family, designed for overcurrent protection in industrial and commercial power distribution systems. It is rated at 350A and 600V AC, with a thermal magnetic trip unit providing LI (Long-Time and Instantaneous) functions for dependable overload and short circuit protection. The K Frame breaker weighs 13 lb, features a bolt-on connection, and supports 3-phase operation with a high interrupting capacity of 35kA at 480V AC. It complies with UL489 and IEC 60947-2 standards, ensuring reliable performance in demanding electrical environments. This breaker is suitable for use in panelboards, switchboards, and motor control centers requiring robust circuit protection.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: Series C
  • Type: KD
  • Weight: 13 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: K Frame
  • Voltage Rating: 600V AC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 35kA@480V
  • Phase: 3
  • Current Rating: 350A
  • Interrupt Rating: 65 kA at 240V AC
  • Frequency: 50/60 Hz
  • Standards: UL489, IEC 60947-2


Part Number: KD3350X