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Westinghouse HMA3350T - Thermal Magnetic Trip Unit 600V 350A 3-Pole

Westinghouse
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Westinghouse HMA3350T is a thermal magnetic circuit breaker trip unit designed for overcurrent 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 350A minimum to 350A maximum across 3 poles. The unit measures 10.5 inches in depth, 6.9 inches in height, and 5.7 inches in width, weighing 3.5 lb, and is constructed as part of the MARK 75 family. It is UL Listed and compatible with MA and HMA frames. Typical applications include protecting branch circuits and feeders in commercial and industrial electrical panels.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit
  • Voltage Rating: 600V
  • Current Rating: 350A (Minimum and Maximum)
  • Dimensions: 10.5 in x 6.9 in x 5.7 in (Length/Depth x Height x Width)
  • Standards: UL Listed
  • Applications: Industrial overcurrent protection for branch circuits and feeders
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Compatible Frames: MA, HMA
  • Weight: 3.5 lb
  • Country of Origin: United States


Product Identification
  • UPC: 786679189276
  • GTIN: 00786679189276