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JD23B300

Siemens
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Siemens JD23B300 is a 3-pole molded case circuit breaker from the Sentron Series, designed for overcurrent protection in industrial and commercial power distribution systems. It utilizes a thermal-magnetic trip unit with LI (Long-Time and Instantaneous) functions, rated for 300A at 240V AC with a 65kA interrupting capacity. The unit weighs 20 lb, features bolt-on mounting and load side lug terminals, and operates 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. This breaker is suitable for 3-phase applications requiring reliable circuit protection.

Key Features & Specifications
  • Manufacturer: Siemens
  • Part Number: JD23B300
  • Item Subcategory: Molded Case
  • Family: Sentron Series
  • Type: JD
  • Weight: 20 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 240V AC
  • Poles: 3
  • Connection: Bolt-On
  • Standards: RoHS
  • Protection: Thermal Magnetic
  • Certification: UL, IEC
  • AIC Rating: 65kA @ 240V
  • Phase: 3
  • Temperature Rating: -13°F to 158°F (-25°C to 70°C)
  • Current Rating: 300A
  • Terminal Type: Load Side Lug
  • Application: Industrial, Commercial
  • Frame Size: JD


Siemens JD23B300 - Molded Case Circuit Breaker 300A 240V