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Cutler Hammer CHKD3400F - Molded Case Circuit Breaker Frame, 400A 600V

Cutler Hammer
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The Cutler Hammer CHKD3400F is a molded case circuit breaker frame designed to provide reliable thermal-magnetic protection for three-phase industrial power distribution systems. It is rated for 400A at 600V AC and features a 65kA interrupting capacity at 480V for robust short-circuit protection. The unit is constructed as a compact, three-pole K-frame with bolt-on connections, measuring 4.1" D x 5.5" H x 5.5" W and weighing 9.65 lb. It is UL Listed and engineered to meet industry standards for safety and performance in demanding environments. This frame-only component is intended for integration into panelboards and switchgear where long-time and instantaneous (LI) overcurrent protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker Frame (Series C, CHKD Type), Thermal Magnetic Protection with LI (Long-time & Instantaneous) Functions
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 4.1 in (Depth) x 5.5 in (Height) x 5.5 in (Width)
  • Standards: UL Listed
  • Applications: Industrial three-phase power distribution, panelboards, and switchgear
  • Phase: 3
  • AIC Rating: 65kA @ 480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: K Frame
  • Weight: 9.65 lb
  • Country of Origin: Dominican Republic
  • Additional Info: Frame only; does not include lugs or a trip unit.


Product Identification
  • UPC: 786679346600
  • GTIN: 00786679346600