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Siemens HFXD63B125L - Molded Case Breaker 125A 600V 3P

Siemens
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Siemens HFXD63B125L is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 125A continuous current rating and a 600V AC voltage rating, housed within a compact FD frame measuring 150mm wide x 250mm high x 170mm deep and weighing 9.017 lb. This thermal-magnetic breaker, part of the Sentron Series, is UL Listed and offers a 65kA interrupting capacity at 480V AC, ensuring compliance with critical safety standards for feeder and branch circuit protection. Its feed-thru connection and included line/load lugs support copper conductors from AWG 6 to 350 KCMIL and aluminum from AWG 4 to 350 KCMIL, making it suitable for installation in various panel types including S4, P4, SPP, and F2 enclosures across commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection with Long Time and Instantaneous Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Dimensions: 150mm W x 250mm H x 170mm D (5.906" x 9.843" x 6.693")
  • Standards: UL Listed
  • Applications: Industrial power distribution, feeder and branch circuit protection
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • AIC Rating: 65kA @ 480V AC
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: FD Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: S4, P4, SPP, F1, FC1, FCII, CDP-5, CDP-6, SB1-3, S5, P5, SPP/FPP, F2
  • Breaker Type: Molded Case
  • Wire Size: AWG 6 to 350 KCMIL (Cu), AWG 4 to 350 KCMIL (Al)
  • Certification: UL Listed
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Mounting: Panel Mount
  • Terminal Connection: Lug (TA1FD350A lugs included)
  • Standards: UL 489
  • Installation Type: Fixed
  • Breaker Frame: FD
  • Family: Sentron Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643084490
  • GTIN: 00783643084490