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Westinghouse MA3350T - MCCB 350A 600V 3-Pole Thermal-Magnetic

Westinghouse
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Westinghouse MA3350T is a three-pole molded case circuit breaker designed for overcurrent protection in industrial and commercial power distribution systems. It is rated for 350A continuous current at 600V maximum voltage and utilizes a thermal-magnetic trip unit with LI (Long-Time and Instantaneous) functions for coordinated circuit protection. Weighing 4 lb, this unit is built on the MA frame and is compatible with MA and HMA frame enclosures for straightforward integration into standard panel installations. The breaker complies with applicable industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include branch circuit protection, feeder protection, and main disconnect duties in manufacturing facilities, commercial buildings, and utility distribution panels.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Type: MA
  • Family: MA Series
  • Item Subcategory: Trip Units & Programmers
  • Poles: 3
  • Amperage: 350A
  • Voltage Rating: 600V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Compatible Frames: MA, HMA
  • Weight: 4 lb
  • Frame Type: MA
  • Mounting Type: Standard
  • Interrupting Capacity: 65kA at 240V AC
  • Application: Molded Case Circuit Breaker


Part Number: MA3350T