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Westinghouse HMA3700T - Thermal Magnetic Trip Unit 700A 600V

Westinghouse
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Westinghouse HMA3700T is a thermal magnetic circuit breaker trip unit designed for providing reliable overcurrent protection in industrial power distribution systems. It features a 600V AC voltage rating and is rated for a fixed current of 700A, housed within a robust frame size 700 assembly. The unit provides coordinated LI (Long-time and Instantaneous) protection functions and is constructed with dimensions of 10.5" x 6.9" x 4.7" (LxHxW) and a weight of 4.2 lb. It is UL Listed for safety compliance and is engineered for integration with MA, HMA, and MAY compatible breaker frames, making it suitable for demanding commercial and industrial applications.

Key Features & Specifications
  • Type: HMA Thermal Magnetic Trip Unit
  • Voltage Rating: 600V AC
  • Current Rating: 700A Fixed
  • Dimensions: 10.5 in x 6.9 in x 4.7 in (Length x Height x Width)
  • Weight: 4.2 lb
  • Standards: UL Listed
  • Functions: LI (Long-Time and Instantaneous)
  • Frame Size: 700
  • Poles: 3
  • Protection: Thermal Magnetic
  • Compatible Frames: MA, HMA, MAY
  • Country of Origin: United States
  • Family: MARK 75


Product Identification
  • UPC: 786679190890
  • GTIN: 00786679190890