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Siemens HLXD63B300L - Molded Case 300A 3-Pole 600V

Siemens
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Siemens HLXD63B300L Circuit Breaker is a 3-pole molded case circuit breaker from the Sentron Series, designed for thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. It is rated for 600V AC, 300A continuous current, and delivers a 65kA interrupting capacity at 480V, making it suitable for high-fault industrial environments. The unit features an LD frame with feed-thru connections, weighs 25 lb, and is built for 3-phase systems. This breaker complies with UL and NEMA standards for overcurrent protection in distribution panels and switchboards. Typical applications include motor control centers, industrial power distribution, and commercial building main or branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Sentron Series
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 65kA@480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: LD Frame
  • Connection: Feed-Thru
  • Weight: 25 lb
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, NEMA AB1
  • Installation Type: Panelboard or Switchboard
  • Breaker Frame: LD


Product Identification
  • UPC: Not specified
  • GTIN: Not specified