Siemens CJD63B300 - Molded Case Circuit Breaker 300A 600V 3P
Siemens CJD63B300 - Molded Case Circuit Breaker 300A 600V 3P

Siemens CJD63B300 - Molded Case Circuit Breaker 300A 600V 3P

Siemens
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Siemens CJD63B300 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 600V AC voltage rating, housed within a durable JD frame with a bolt-on connection for secure installation. This thermal-magnetic breaker offers both long-time and instantaneous trip functions, operates within a temperature range of -25 to 70 °C, and is constructed to meet rigorous industry standards. Its 150kA interrupting capacity at 480V makes it suitable for protecting feeders and branch circuits in commercial and industrial panels, compatible with copper conductors from AWG 3/0 to 500 kcmil and aluminum from AWG 4/0 to 500 kcmil.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Long Time and Instantaneous Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Frame Size: JD Frame
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 150kA at 480V
  • Phase: 3
  • Wire Size: AWG 3/0 to 500 kcmil (Cu), AWG 4/0 to 500 kcmil (Al)
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Weight: 33.246 lb
  • Family: Sentron Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643213593
  • GTIN: 00783643213593