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Siemens MXD63M800 - Molded Case Circuit Breaker 800A 600V

Siemens
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Siemens MXD63M800 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 thermal-magnetic trip unit with long-time and instantaneous (LI) protection functions, rated for 800A at 600V AC with an interrupting capacity of 50kA at 480V. The breaker is constructed within a compact MD frame with a robust bolt-on connection style and complies with relevant industry standards for safety and performance. Its design is suitable for integration into panelboards and switchboards, typically serving as a main or feeder breaker in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 800A
  • Frame Size: MD Frame
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 50kA @ 480V
  • Phase: 3
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Trip Type: Thermal Magnetic
  • Weight: 57.001 lb
  • Standards: Meets applicable industry standards
  • Applications: Main/Feeder protection in industrial/commercial distribution panels
  • Additional Info: Lugs are not included; consult for lug part number based on wiring specifications.


Product Identification
  • UPC: 783643170131
  • GTIN: 00783643170131