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Siemens MD63B500 - Molded Case Circuit Breaker 500A 600V 3P

Siemens
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Siemens MD63B500 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 500A current rating and a 600V AC voltage rating, housed within a robust MD frame with a feed-thru connection. The breaker utilizes a thermal-magnetic trip unit for both long-time and instantaneous protection, is UL Listed, and operates effectively across a temperature range of -25 to 70 °C. Its 50kA interrupting capacity at 480V makes it suitable for protecting feeders and mains in commercial and industrial panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 500A
  • Frame Size: MD Frame
  • Poles: 3
  • AIC Rating: 50kA @ 480V AC
  • Connection: Feed-Thru
  • Wire Size: AWG 1/0 to 500 kcmil, Copper or Aluminum
  • Phase: 3
  • Functions: Long Time and Instantaneous Trip
  • Certification: UL Listed
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Weight: 56.879 lb
  • Family: Sentron Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643214453
  • GTIN: 00783643214453