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Siemens MXD63H800L - 800A 3-Pole Molded Case Breaker

Siemens
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Siemens MXD63H800L is a 3-pole molded case circuit breaker from the Sentron Series designed for instantaneous magnetic-only protection in high-current industrial applications. It is rated for 800A continuous current at 600VAC, with an interrupting capacity of 50kA at 480VAC, and features a feed-thru connection configuration within an MD frame. The unit weighs 65 lb and utilizes a 3-phase, magnetic-only trip mechanism for fast short-circuit response without thermal delay. This breaker complies with applicable UL and NEMA standards for industrial power distribution and is typically used in switchboards, panelboards, and motor control centers requiring reliable overcurrent protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Sentron Series, MXD Type
  • Voltage Rating: 600V
  • Current Rating: 800A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 50kA@480V
  • Connection: Feed-Thru
  • Protection: Magnetic Only
  • Functions: I - Instantaneous
  • Frame Size: MD Frame
  • Weight: 65 lb
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, switchboards, panelboards, motor control centers


Product Identification
  • Manufacturer: Siemens
  • Model: MXD63H800L
  • Family: Sentron Series
  • Item Subcategory: Molded Case