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Siemens HFD63B125L - Molded Case Circuit Breaker 125A 600V

Siemens
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Siemens HFD63B125L is a molded case circuit breaker from the Sentron Series designed to provide reliable overcurrent and short-circuit protection for 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 by 250mm high by 170mm deep and weighing 10.031 lb. This thermal-magnetic breaker, which is UL Listed, offers LI (Long-time and Instantaneous) protection functions and achieves a 65kA interrupting capacity at 480V AC. It is engineered for integration into various panel types including S4, P4, SPP, and F2, utilizing a feed-thru connection and is rated for operation in ambient temperatures up to 40°C (104°F).

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, FD Frame
  • 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 and panel protection
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Amperage: 125A
  • AIC rating: 65kA @ 480V AC
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • 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
  • Temp Rating: 40°C (104°F)
  • Wire Size: 6AWG - 350KCM (Copper) / 4AWG - 350KCM (Aluminum)
  • Certification: UL Listed
  • Additional Info: Includes line and load side lugs (TA1FD350A)


Product Identification
  • UPC: 783643235885
  • GTIN: 00783643235885