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Westinghouse PA31800T - Thermal Magnetic Trip Unit 1800A 600V 3-Pole

Westinghouse
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The Westinghouse PA31800T is a thermal-magnetic trip unit designed for overcurrent protection in industrial power distribution systems. This 3-pole unit operates at a voltage rating of 600V and provides long-time and instantaneous (LI) protection functions, with an adjustable amperage range from 1800A minimum to 1800A maximum. Weighing 33 lb, it is constructed for robust performance and is compatible with Westinghouse PB and PA series frames. The unit complies with industry standards for thermal-magnetic circuit breaker trip units, ensuring reliable fault interruption. It is typically applied in heavy industrial settings requiring precise overcurrent protection for large electrical loads.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit
  • Voltage Rating: 600V
  • Current Rating: 1800A (Minimum 1800A, Maximum 1800A)
  • Poles: 3
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Compatible Frames: PB, PA
  • Weight: 33 lb
  • Family: PA Series
  • Item Subcategory: Trip Units & Programmers


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