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Cutler Hammer KDC3350 - Molded Case Circuit Breaker, 350A 600V 3P

Cutler Hammer
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Cutler Hammer KDC3350 is a molded case circuit breaker designed for providing reliable overcurrent protection in demanding three-phase industrial power systems. It features a 350A current rating and a 600V voltage rating, housed within a compact K-frame construction measuring 4.1" x 5.5" x 5.5" and weighing 11.5 lb. This UL-listed, thermal-magnetic breaker offers LI (Long-time and Instantaneous) protection functions and a high 100kA interrupting capacity at 480V, ensuring compliance with critical safety standards. Its three-pole, feed-thru configuration makes it suitable for protecting feeders, mains, and heavy machinery in industrial facilities, manufacturing plants, and large commercial installations.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, KDC Series
  • Voltage Rating: 600V AC
  • Current Rating: 350A
  • Dimensions: 4.1 in (Depth) x 5.5 in (Height) x 5.5 in (Width)
  • Standards: UL Listed
  • Applications: Industrial feeder and main circuit protection, heavy machinery
  • Switch Type: Circuit Breaker
  • Configuration: Feed-Thru
  • Phase: 3
  • Amperage: 350A
  • AIC Rating: 100kA @ 480V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: K Frame
  • Trip Type: Thermal Magnetic
  • Certification: UL Listed
  • Family: Series C
  • Country of Origin: Dominican Republic
  • Weight: 11.5 lb


Product Identification
  • UPC: 786679026366
  • GTIN: 00786679026366