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Siemens JXD23B300L - Molded Case Circuit Breaker 300A 3P (65kA AIC)

Siemens
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Siemens JXD23B300L 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 300A current rating and a 240V AC voltage rating, housed within a compact JD frame with dimensions of 8.661" x 12.992" x 6.701" (220 x 330 x 170 mm) and a weight of 15.234 lb. The breaker utilizes a thermal-magnetic trip unit for combined long-time and instantaneous (LI) protection functions, ensuring compliance with UL and IEC standards as well as RoHS directives. Its robust construction, including a feed-thru connection style and an operational temperature range of -25°C to 70°C, makes it suitable for demanding applications such as panelboards, switchboards, and industrial control panels, where its 65kA interrupting capacity at 240V AC provides critical fault protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, JXD Type
  • Voltage Rating: 240V AC
  • Current Rating: 300A
  • Dimensions: 8.661" L x 12.992" H x 6.701" W (220 x 330 x 170 mm)
  • Standards: RoHS Compliant
  • Applications: Industrial Power Distribution, Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3-Phase
  • Amperage: 300A
  • AIC Rating: 65kA @ 240V AC
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal-Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: JD Frame
  • Trip Type: Thermal-Magnetic
  • Temp Rating: -25°C to +70°C (-13°F to 158°F)
  • Certification: UL, IEC
  • Family: Sentron Series
  • Country of Origin: Mexico
  • Weight: 15.234 lb


Product Identification
  • UPC: 783643009370
  • GTIN: 00783643009370