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Eaton Cutler Hammer HFDDC3125L - Molded Case Circuit Breaker 125A 628VDC

Cutler Hammer
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Eaton Cutler Hammer HFDDC3125L is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in demanding direct current applications. It features a 125A current rating and a 628V DC voltage rating, housed within a compact F-frame measuring 3.38 in (D) x 4.13 in (H) x 4.13 in (W) and weighing 4.5 lb. This three-pole, feed-thru connection breaker utilizes a thermal-magnetic trip mechanism with long-time and instantaneous (LI) functions, offering an interrupting capacity of 42kA at 600V. It is engineered for integration into industrial DC power systems, including those for renewable energy, traction power, and battery storage, where robust protection is critical.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection with Long-Time and Instantaneous (LI) Trip Functions
  • Voltage Rating: 628V DC
  • Current Rating: 125A
  • Dimensions: 3.38 in (Depth) x 4.13 in (Height) x 4.13 in (Width)
  • Standards: Series C Family, Manufactured in the United States
  • Applications: Industrial DC Power Systems, Renewable Energy, Traction Power, Battery Storage
  • Phase: 3
  • AIC Rating: 42kA @ 600V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • Weight: 4.5 lb


Product Identification
  • UPC: 621037112193
  • GTIN: 00621037112193