Siemens JXD23B300 - Molded Case Circuit Breaker 300A 3P (65kA AIC)
Siemens JXD23B300 - Molded Case Circuit Breaker 300A 3P (65kA AIC)

Siemens JXD23B300 - Molded Case Circuit Breaker 300A 3P (65kA AIC)

Siemens
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Siemens JXD23B300 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 300A current rating and a 240V AC voltage rating, housed within a compact 400A/JD frame with dimensions of 8.661" x 12.992" x 6.700" (220 x 330 x 170 mm) and a weight of 18.301 lb. This thermal-magnetic breaker offers both long-time and instantaneous trip functions, ensuring compliance with UL and IEC standards for safety and performance. Its 65kA interrupting rating at 240V and bolt-on lug connection make it suitable for installation in SB switchboards and Sentron panelboards, operating effectively across a temperature range of -25°C to 70°C.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Standard Type
  • Voltage Rating: 240V AC
  • Current Rating: 300A
  • Frame Size: 400A/JD
  • Poles: 3
  • AIC Rating: 65kA @ 240V
  • Connection: Bolt-On, Lug Terminal (Lugs Not Included)
  • Phase Connection: 3-Phase, ABC
  • Functions: Long Time and Instantaneous Trip
  • Dimensions: 8.661" x 12.992" x 6.700" (220 x 330 x 170 mm)
  • Weight: 18.301 lb
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Standards & Certification: RoHS, UL, IEC
  • Compatible Panel Types: SB Switchboards (Without Lugs), Sentron Panelboards
  • MCM Size: 500 MCM
  • Family: Sentron Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643212954
  • GTIN: 00783643212954