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Cutler Hammer HKD3350 - Molded Case Circuit Breaker, 350A 3P (65kA AIC)

Cutler Hammer
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Cutler Hammer HKD3350 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 350A current rating and a 600V AC voltage rating, housed within a compact K-frame design measuring 4.1" D x 10.13" H x 5.5" W and weighing 8.5 lb. This UL-listed breaker utilizes a thermal-magnetic trip unit with long-time and instantaneous (LI) functions and offers a high interrupting capacity of 65kA at 480V AC. Its feed-thru connection and robust construction make it suitable for panelboards, switchboards, and industrial control panels requiring dependable circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, HKD Series C
  • Voltage Rating: 600V AC
  • Current Rating: 350A
  • Dimensions: 4.1 in (Depth) x 10.13 in (Height) x 5.5 in (Width)
  • Standards: UL Listed
  • Applications: Industrial power distribution, panelboards, switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Amperage: 350A
  • AIC Rating: 65kA @ 480V AC
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: K Frame
  • Trip Type: Thermal-Magnetic
  • Breaker Type: Molded Case
  • Mounting: Fixed
  • Certification: UL Listed
  • Terminal Connection: Feed-Thru
  • Phase Connection: 3-Phase
  • Country of Origin: United States
  • Weight: 8.5 lb


Product Identification
  • UPC: 786679319406
  • GTIN: 00786679319406