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Westinghouse HMA2450T - Thermal Magnetic Trip Unit 600V 450A

Westinghouse
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The Westinghouse HMA2450T is a thermal-magnetic trip unit designed for circuit breaker protection in industrial power distribution systems. It provides LI (Long-Time and Instantaneous) protection functions with a voltage rating of 600V and an adjustable current range from 450A minimum to 450A maximum across 2 poles. The unit weighs 3 lb and is constructed for integration with compatible MA and HMA breaker frames. This trip unit complies with industry standards for overcurrent protection in commercial and industrial applications. It is typically used in switchgear and panelboard installations requiring precise, reliable circuit interruption.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit
  • Voltage Rating: 600V
  • Current Rating: 450A (Minimum and Maximum)
  • Poles: 2
  • Functions: LI - Long-Time and Instantaneous
  • Compatible Frames: MA, HMA
  • Weight: 3 lb
  • Protection: Thermal Magnetic
  • Family: MARK 75
  • Item Subcategory: Trip Units & Programmers


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