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Siemens HJXD63B300 - Molded Case Circuit Breaker 300A 3P (65kA AIC)

Siemens
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Siemens HJXD63B300 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 600V AC voltage rating and a 300A continuous current rating, housed within a robust JD frame with a bolt-on connection for secure installation. This thermal-magnetic breaker offers both long-time and instantaneous trip functions, ensuring coordinated protection, and is rated for an interrupting capacity of 65kA at 480V AC. Constructed for demanding environments, it operates reliably across a temperature range of -25 to 70 °C and complies with relevant industry standards for safety and performance in commercial and industrial applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Frame Size: JD Frame
  • Poles: 3
  • Phase: 3-Phase
  • AIC Rating: 65kA @ 480V AC
  • Protection Functions: Long Time and Instantaneous Trip
  • Operating Temperature: -25 to 70 °C (-13 to 158 °F)
  • Connection: Bolt-On
  • Weight: 18.301 lb
  • Family: Sentron Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643314900
  • GTIN: 00783643314900