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Siemens MD63B800 - Molded Case Circuit Breaker, 800A 600V 3P

Siemens
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Siemens MD63B800 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 providing both long-time and instantaneous protection, rated for 800A continuous current and 600V AC applications. The breaker is constructed with a compact MD frame using a feed-thru connection style and is rated for operation in temperatures from -25 to 70 °C. It complies with industry standards for interrupting a maximum available fault current of 50kA at 480V. Typical applications include service entrance, feeder protection, and integration into switchboards and panelboards for 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: Feed-Thru
  • Wire Size: AWG 1/0 to 500 KCMIL, Copper or Aluminum
  • AIC Rating: 50kA @ 480V AC
  • Phase: 3
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Functions: Long Time and Instantaneous Trip
  • Protection: Thermal Magnetic
  • Weight: 0.022 lb
  • Family: Sentron Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643214484
  • GTIN: 00783643214484