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Westinghouse MA3350S - Molded Case 350A 600V 3-Pole

Westinghouse
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Westinghouse MA3350S is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This thermal-magnetic breaker is rated for 350A at 600VAC, with an interrupting capacity of 30kA at 480VAC, providing long-time and instantaneous (LI) protection functions. The unit weighs 54 lb and features a bolt-on connection for secure panel mounting. It complies with applicable industry standards for molded case circuit breakers. Typical applications include main or feeder protection in commercial and industrial switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic
  • Voltage Rating: 600V
  • Current Rating: 350A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 30kA@480V
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Family: MA Series
  • Weight: 54 lb


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