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Westinghouse HMA2400T - Thermal Magnetic Trip Unit 400A 600V

Westinghouse
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Westinghouse HMA2400T is a thermal magnetic circuit breaker trip unit designed for providing reliable overcurrent protection in industrial electrical systems. It operates at a voltage rating of 600V AC with a fixed current rating of 400A, housed within a compact 400-frame size unit. This two-pole device features an LI (Long-time and Instantaneous) function set for coordinated protection and is constructed for durability with a weight of 3 lb. It complies with industry standards for circuit protection and is engineered for integration into compatible MA and HMA frame circuit breakers within the MARK 75 family, making it suitable for panelboards and switchgear in commercial and industrial facilities.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit, HMA Type
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Functions: LI - Long-Time and Instantaneous Protection
  • Frame Size: 400
  • Poles: 2
  • Protection: Thermal Magnetic
  • Compatible Frames: MA, HMA
  • Family: MARK 75
  • Weight: 3 lb