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Westinghouse HKA3125TA - 125A 3-Pole Thermal Magnetic Trip Unit

Westinghouse
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Westinghouse HKA3125TA Circuit Breaker is a 3-pole thermal-magnetic circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC and provides a continuous current range of 125A, with LI (Long-Time and Instantaneous) trip functions for precise fault response. Weighing 2 lb, this unit is constructed as a trip unit and programmer within the MARK 75 family, compatible with KA and HKA frames. It complies with industry standards for thermal-magnetic protection, ensuring reliable performance in demanding environments. Typical applications include motor control centers, switchboards, and panelboards in manufacturing and utility settings.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit
  • Voltage Rating: 600V AC
  • Current Rating: 125A (Minimum 125A, Maximum 125A)
  • Poles: 3
  • Functions: LI - Long-Time and Instantaneous
  • Compatible Frames: KA, HKA
  • Family: MARK 75
  • Weight: 2 lb
  • Protection: Thermal Magnetic
  • Item Subcategory: Trip Units & Programmers


Product Identification
  • UPC: Not available
  • GTIN: Not available