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Westinghouse MA3175S - 3-Pole 175A Molded Case Breaker

Westinghouse
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The Westinghouse MA3175S is a three-pole molded case circuit breaker from the MA Series, designed to provide overcurrent protection through its thermal magnetic trip mechanism. It is rated for 175A continuous current at 600V AC, with an interrupting capacity of 30kA at 480V AC, and operates on a three-phase system. The unit features a bolt-on connection style, weighs 54 lb, and offers LI (Long-Time and Instantaneous) protection functions for precise fault response. This breaker complies with industry standards for industrial power distribution and is suited for protecting feeders and branch circuits in commercial and industrial electrical panels.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic
  • Voltage Rating: 600V
  • Current Rating: 175A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 30kA@480V
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Weight: 54 lb
  • Family: MA Series
  • Functions: LI - Long-Time and Instantaneous