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HFDDC3125LA0205S2605 - 3-Pole DC Breaker 629V 125A 42kA

United Fuses
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The HFDDC3125LA0205S2605 is a 3-pole DC circuit breaker designed for overcurrent protection in high-voltage industrial systems. It is rated for 629 VDC and 125A, with an interrupting capacity of 42kA at 600V, ensuring robust fault isolation. Weighing 5.19 lb, this unit features a compact, molded-case construction suitable for panel mounting. It complies with applicable UL and IEC standards for DC power distribution. Typical applications include solar arrays, battery storage systems, and DC motor control centers.

Key Features & Specifications
  • Type: Molded-case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 629 DCV
  • Current Rating: 125A
  • Poles: 3
  • AIC rating: 42kA@600V
  • Weight: 5.19 lb
  • Standards: UL 489, IEC 60947-2
  • Applications: DC power distribution, solar, battery storage