Siemens JXD63B300H - Molded Case Circuit Breaker 300A 600V 3P
Siemens JXD63B300H - Molded Case Circuit Breaker 300A 600V 3P

Siemens JXD63B300H - Molded Case Circuit Breaker 300A 600V 3P

Siemens
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Siemens JXD63B300H 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 6.703" (220mm x 330mm x 170mm). The breaker is constructed for robust performance, complying with UL and IEC standards and RoHS requirements, and operates effectively across a wide temperature range from -25°C to 70°C. Its thermal-magnetic protection mechanism combines long-time and instantaneous trip functions to safeguard equipment, supported by an interrupting capacity of 35kA at 480V AC. Typical applications include integration into panelboards, switchboards, and industrial control panels where dependable circuit protection is critical.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection with Long Time and Instantaneous Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Dimensions: 8.661" H x 12.992" W x 6.703" D (220mm x 330mm x 170mm)
  • Weight: 18.195 lb
  • Standards: RoHS Compliant
  • Certification: UL Listed, IEC Certified
  • Applications: Industrial Power Distribution, Panelboards, Switchboards, Motor Control Centers
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-On
  • Frame Size: JD Frame
  • AIC Rating: 35kA @ 480V AC
  • Temp Rating: -25°C to +70°C (-13°F to 158°F)
  • Protection: Thermal-Magnetic
  • Family: Sentron Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643229341
  • GTIN: 00783643229341