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Siemens LD63B300 - Molded Case Circuit Breaker 300A 3P (35kA AIC)

Siemens
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Siemens LD63B300 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 LD frame with a bolt-on connection for secure installation. This thermal magnetic breaker offers LI (Long-time and Instantaneous) protection functions and is rated for an interrupting capacity of 35kA at 480V AC. It is engineered for compliance with relevant industry standards and is typically applied in panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, LI (Long-time and Instantaneous) Functions
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Frame Size: LD Frame
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 35kA @ 480V AC
  • Protection: Thermal Magnetic
  • Weight: 20.701 lb
  • Family: Sentron Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643213852
  • GTIN: 00783643213852