Siemens JXD63B300 - Molded Case Circuit Breaker, 300A 600V 3P
Siemens JXD63B300 - Molded Case Circuit Breaker, 300A 600V 3P

Siemens JXD63B300 - Molded Case Circuit Breaker, 300A 600V 3P

Siemens
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Siemens JXD63B300 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 600V AC voltage rating and a 300A continuous current rating, housed within a compact JD frame with bolt-on connections and dimensions of 8.661" x 12.992" x 6.702" (220 x 330 x 170 mm). The breaker utilizes a thermal-magnetic trip unit for both long-time and instantaneous protection, is rated for an interrupting capacity of 35kA at 480V, and operates within a temperature range of -25°C to 70°C. It complies with UL and IEC standards and adheres to RoHS directives, making it suitable for integration into panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Long Time & Instantaneous Trip
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Frame Size: JD Frame
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 35kA @ 480V
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Standards: RoHS
  • Certification: UL, IEC
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Dimensions: 8.661" L x 12.992" H x 6.702" W (220 x 330 x 170 mm)
  • Weight: 18.336 lb
  • Family: Sentron Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643213074
  • GTIN: 00783643213074