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Cutler Hammer HFDDC3225L - Molded Case Breaker 225A 645VDC

Cutler Hammer
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The Cutler Hammer HFDDC3225L is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in demanding direct current applications. It features a 225A continuous current rating and a 645V DC voltage rating, suitable for robust three-phase systems. The breaker is constructed with a compact F-frame design, measuring 4.8 inches in all dimensions and weighing 6.3 lb, and utilizes a thermal-magnetic trip unit for combined long-time and instantaneous (LI) protection functions. It is certified to UL 489 standards and offers an interrupting capacity of 42kA at 600V, ensuring compliance and safety in industrial environments. Typical applications include protection for DC power distribution, industrial control panels, and renewable energy systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Feed-Thru Connection
  • Voltage Rating: 645V DC
  • Current Rating: 225A
  • Dimensions: 4.8 in x 4.8 in x 4.8 in (L/D x H x W)
  • Standards: UL 489
  • Applications: DC Power Distribution, Industrial Control Panels, Renewable Energy Systems
  • Phase: 3
  • AIC Rating: 42kA @ 600V
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Frame Size: F Frame
  • Connection: Feed-Thru
  • Certification: UL 489
  • Weight: 6.3 lb
  • Family: Series C
  • Country of Origin: United States


Product Identification
  • UPC: 786685482057
  • GTIN: 00786685482057