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Cutler Hammer HKD3400 - Molded Case Circuit Breaker 400A 600V 3P

Cutler Hammer
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Cutler Hammer HKD3400 is a molded case circuit breaker designed for providing reliable overcurrent protection in demanding three-phase industrial power systems. It features a 400A current rating and a 600V voltage rating, housed within a compact, durable frame measuring 4.1" x 5.5" x 5.5" and weighing 11.5 lb. The breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection, is CSA Certified, IEC Rated, and UL Listed, and is engineered for integration into motor control centers, switchboards, and enclosed control panels from major manufacturers like Allen-Bradley and Eaton.

Key Features & Specifications
  • Type: HKD Series C Molded Case Circuit Breaker, Standard, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: 400A/K
  • AIC Rating: 65kA at 480V
  • Poles: 3
  • Phase Connection: 3-Phase, ABC
  • Connection Type: Feed-Thru
  • Terminal Connection: Line/Load Lug
  • Functions: LI (Long-Time and Instantaneous)
  • Dimensions: 4.1 in (D) x 5.5 in (H) x 5.5 in (W)
  • Weight: 11.5 lb
  • MCM Wire Size: 250 MCM (Min and Max)
  • Operating Temperature: -4°F to 158°F (-20°C to 70°C)
  • Standards & Certification: CSA Certified, IEC Rated, UL Listed
  • Compatible Panel Types: Allen Bradley MCC, Eaton MCC, Rockwell Automation Enclosed Control, Switchboard, Westinghouse
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786679319420
  • GTIN: 00786679319420