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Westinghouse HLA33000TM - Magnetic Trip Unit 400A 600V 3-Pole

Westinghouse
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The Westinghouse HLA33000TM is a magnetic-only trip unit designed for instantaneous circuit protection in industrial power distribution systems. This 3-pole unit operates at a voltage rating of 600V and supports a fixed current rating of 400A, providing reliable overcurrent interruption for high-fault applications. Housed in a compact 8.7 in x 5.7 in x 5.4 in (Length/Depth x Height x Width) enclosure weighing 2.5 lb, it features an I (Instantaneous) function for rapid response to short circuits. The unit is UL Listed and is compatible with LA and HLA frame sizes, specifically the MARK 75 family, making it suitable for use in switchboards, panelboards, and motor control centers requiring magnetic-only protection.

Key Features & Specifications
  • Type: Magnetic Only Trip Unit
  • Voltage Rating: 600V
  • Current Rating: 400A (Fixed)
  • Dimensions: 8.7 in x 5.7 in x 5.4 in (Length/Depth x Height x Width)
  • Weight: 2.5 lb
  • Poles: 3
  • Protection: Instantaneous (I)
  • Frame Size: 400
  • Certification: UL Listed
  • Compatible Frames: LA, HLA
  • Family: MARK 75
  • Country of Origin: United States


Product Identification
  • UPC: 786679831625
  • GTIN: 00786679831625