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Westinghouse MA3400 - Molded Case Circuit Breaker 400A 600V 3P

Westinghouse
Price
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Westinghouse MA3400 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 400A current rating and a 600V AC voltage rating, housed within a robust thermal-magnetic trip unit that offers both long-time and instantaneous (LI) protection functions. The breaker is constructed as a three-pole, bolt-on unit with a 30kA interrupting capacity at 480V AC, ensuring compliance with rigorous industrial safety standards for managing fault currents. Its design is suitable for integration into commercial and industrial panelboards, switchboards, and switchgear where dependable circuit protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 30kA @ 480V AC
  • Protection Functions: Long-Time and Instantaneous (LI)
  • Frame: MA Series
  • Weight: 54 lb