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Westinghouse HLA31250TM - Magnetic Trip Unit 400A 600V

Westinghouse
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The Westinghouse HLA31250TM is a magnetic-only trip unit designed for instantaneous overcurrent protection in industrial circuit breaker systems. It operates at a voltage rating of 600V with a current rating of 400A, providing precise magnetic protection without thermal delay. This unit measures 8.8 inches in length/depth, 5.3 inches in height, and 5.3 inches in width, weighing 2.5 lb, and is constructed for use with LA and HLA compatible frames. It is UL Listed, ensuring compliance with rigorous safety and performance standards. Typical applications include motor protection and high-fault industrial environments where instantaneous trip response is critical.

Key Features & Specifications
  • Type: Magnetic Only Trip Unit
  • Voltage Rating: 600V
  • Current Rating: 400A
  • Dimensions: 8.8 in x 5.3 in x 5.3 in (Length/Depth x Height x Width)
  • Standards: UL Listed
  • Applications: Industrial motor protection, high-fault environments
  • Functions: I - Instantaneous
  • Frame Size: 400
  • Poles: 3
  • Amperage Minimum: 400
  • Amperage Maximum: 400
  • Protection: Magnetic Only
  • Compatible Frames: LA, HLA
  • Family: MARK 75
  • Country of Origin: United States
  • Weight: 2.5 lb


Product Identification
  • UPC: 786679185087
  • GTIN: 00786679185087