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Siemens HHJXD63B300 - Molded Case Circuit Breaker, 300A 3P

Siemens
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Siemens HHJXD63B300 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 robust JD frame with a bolt-on connection for secure installation. This thermal magnetic breaker utilizes long-time and instantaneous (LI) trip functions and is constructed to meet rigorous industry standards for safety and performance. It is engineered for demanding applications such as panelboards, switchboards, and industrial control panels, offering an interrupting capacity of 100kA at 480V AC to safeguard electrical infrastructure.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Long-Time and Instantaneous (LI) Trip
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Frame Size: JD Frame
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 100kA @ 480V AC
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Family: Sentron Series
  • Weight: 20 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643257832
  • GTIN: 00783643257832