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Westinghouse HKA3125TV - Thermal Magnetic Trip Unit 125A 600V

Westinghouse
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The Westinghouse HKA3125TV 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 capacity of 125A, with LI (Long-Time and Instantaneous) trip functions for precise fault response. Weighing 2 lb, this unit is part of the MARK 75 family and is compatible with KA and HKA frames, featuring a compact construction for panelboard installation. It complies with industry standards for reliable performance in demanding environments. Typical applications include protecting feeders, motors, and branch circuits in manufacturing plants, commercial buildings, and utility substations.

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


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