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Westinghouse HLA3700TM - Magnetic Trip Unit 600V 400A

Westinghouse
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Westinghouse HLA3700TM is a magnetic-only trip unit designed for instantaneous overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 400A continuous current, and features a three-pole configuration within a compact 1-inch by 1-inch by 1-inch frame weighing 1 lb. The unit is constructed with a solid-state instantaneous trip function (I) and is UL Listed for safety compliance. It is compatible with LA and HLA circuit breaker frames, making it suitable for motor control centers, switchboards, and other heavy-duty applications requiring precise short-circuit protection.

Key Features & Specifications
  • Type: Magnetic Only Trip Unit
  • Voltage Rating: 600V
  • Current Rating: 400A (400A minimum, 400A maximum)
  • Dimensions: 1 in x 1 in x 1 in (Length/Depth x Height x Width)
  • Standards: UL Listed
  • Applications: Industrial power distribution, motor control centers, switchboards
  • Poles: 3
  • Protection: Magnetic Only
  • Functions: I - Instantaneous
  • Compatible Frames: LA, HLA
  • Family: MARK 75
  • Country of Origin: United States
  • Weight: 1 lb


Product Identification
  • UPC: 786679039236
  • GTIN: 00786679039236