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Westinghouse MA3800WK - 800A 3-Pole Molded Case Switch

Westinghouse
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Westinghouse MA3800WK Circuit Breaker is a 3-pole, non-automatic molded case switch designed for use as a disconnect or switching mechanism without overcurrent protection. It is rated for 800A continuous current at 600V AC, with an interrupting capacity of 30kA at 480V, and features a bolt-on connection for secure panel mounting. The unit weighs 54 lb and is constructed as a Type MA frame from the MA Series, utilizing a non-automatic protection function that requires external overcurrent devices. This circuit breaker complies with applicable industry standards for industrial power distribution and is typically applied in 3-phase systems where a manual disconnect is needed, such as in switchboards, motor control centers, or as a main switch in large equipment.

Key Features & Specifications
  • Type: Non-automatic molded case switch, MA Series
  • Voltage Rating: 600V AC
  • Current Rating: 800A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Non-Automatic (No Overcurrent Protection)
  • AIC Rating: 30kA@480V
  • Weight: 54 lb
  • Functions: NA - No Overcurrent Protection
  • Family: MA Series
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case