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Siemens JD22M300 - Molded Case Circuit Breaker 300A 240V 2-Pole

Siemens
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Siemens JD22M300 is a 2-pole molded case circuit breaker from the Sentron Series designed for overcurrent protection in industrial and commercial power distribution systems. It delivers 300A of current at 240VAC with a 65kA interrupting capacity, utilizing a thermal magnetic trip unit that provides LI (Long-Time and Instantaneous) protection functions. The JD Frame breaker weighs 20 lb and features a bolt-on connection for secure panelboard mounting, operating reliably across a temperature range of -13°F to 158°F (-25°C to 70°C). It is UL and IEC certified, RoHS compliant, and suitable for single-phase applications requiring robust circuit interruption.

Key Features & Specifications
  • Manufacturer: Siemens
  • Model: JD22M300
  • Type: Molded Case Circuit Breaker
  • Family: Sentron Series
  • Frame Size: JD Frame
  • Poles: 2
  • Current Rating: 300A
  • Voltage Rating: 240V
  • Interrupt Rating: 65kA at 240V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Phase: 1
  • Weight: 20 lb
  • Temperature Rating: -13°F to 158°F (-25°C to 70°C)
  • Certification: UL, IEC
  • Standards: RoHS