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Westinghouse HMA3175T - Thermal Magnetic Trip Unit 175A 600V 3-Pole

Westinghouse
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Westinghouse HMA3175T is a thermal-magnetic trip unit designed for overcurrent protection in industrial power distribution systems. This LI (Long-Time and Instantaneous) unit operates at a voltage rating of 600V with a current rating of 175A across three poles. The device measures 10.6 inches in depth, 7 inches in height, and 3.8 inches in width, weighing 5.4 lb. It is compatible with MA and HMA frame circuit breakers and complies with industry standards for thermal-magnetic protection. Typical applications include motor control centers, switchboards, and panelboards requiring precise long-time and instantaneous trip functions.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit, LI (Long-Time and Instantaneous) functions
  • Voltage Rating: 600V
  • Current Rating: 175A (Minimum 175A, Maximum 175A)
  • Dimensions: 10.6 in x 7 in x 3.8 in (Length/Depth x Height x Width)
  • Standards: Industry standard for thermal-magnetic protection
  • Applications: Industrial power distribution, motor control centers, switchboards
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Compatible Frames: MA, HMA
  • Family: MARK 75
  • Weight: 5.4 lb


Product Identification
  • UPC: 786679189269
  • GTIN: 00786679189269