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Siemens JXD23M300 - Molded Case Circuit Breaker 300A 240V

Siemens
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Siemens JXD23M300 is a 3-pole molded case circuit breaker from the Sentron Series, designed for thermal magnetic protection in industrial power distribution systems. It is rated for 300A at 240VAC with a 65kA interrupting capacity, providing LI (Long-Time and Instantaneous) trip functions for reliable overcurrent protection. The unit features a JD frame, bolt-on connection, and measures 8.661 x 12.992 x 6.709 inches with a weight of 20 lb, operating within a temperature range of -13°F to 158°F (-25°C to 70°C). It complies with RoHS standards and holds UL and IEC certifications for safety and performance. This breaker is suitable for 3-phase electrical systems in commercial and industrial applications requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: Sentron Series
  • Type: JXD
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: JD Frame
  • Voltage Rating: 240V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 65kA@240V
  • Phase: 3
  • Current Rating: 300A
  • Dimensions: 8.661 x 12.992 x 6.709
  • Weight: 20 lb
  • Temp Rating: -13°F-158°F (-25°C - 70°C)
  • Standards: RoHS
  • Certification: UL, IEC