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Westinghouse HMA3175 - Molded Case 175A 600V 3-Pole

Westinghouse
Price
Save $-5,366.87
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Westinghouse HMA3175 is a three-pole molded case circuit breaker from the MARK 75 family, designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 175A continuous current, and provides LI (Long-Time and Instantaneous) protection functions through a thermal-magnetic trip mechanism. This bolt-on unit weighs 54 lb and features a compact molded case construction suitable for panelboard installation. It complies with industry standards for interrupting capacity, offering a 35kA AIC rating at 480V for three-phase applications. Typical applications include protecting feeders, motors, and branch circuits in commercial and industrial electrical systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 175A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • AIC Rating: 35kA@480V
  • Phase: 3
  • Weight: 54 lb
  • Family: MARK 75