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Cutler Hammer HFDDC3040L - Molded Case Breaker 40A 616VDC (3-Pole)

Cutler Hammer
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Cutler Hammer HFDDC3040L is a molded case circuit breaker designed for providing reliable overcurrent protection in demanding three-phase DC applications. It features a 40A current rating and a 616VDC voltage rating, housed within a compact F-frame construction measuring 3.38" x 6" x 4.13" (LxHxW) and weighing 6.3 lb. This thermal-magnetic breaker is UL 489 certified and offers a 42kA interrupting capacity at 600V, ensuring compliance with critical safety standards for industrial power distribution, battery systems, and renewable energy installations.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection with Long-Time and Instantaneous (LI) Trip Functions
  • Voltage Rating: 616 VDC
  • Current Rating: 40 A
  • Dimensions: 3.38 in (Depth) x 6 in (Height) x 4.13 in (Width)
  • Standards: UL 489
  • Applications: Industrial DC Power Distribution, Battery Systems, Renewable Energy
  • Phase: 3
  • AIC Rating: 42 kA @ 600V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • Certification: UL 489
  • Weight: 6.3 lb
  • Family: Series C
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786679056387
  • GTIN: 00786679056387