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Westinghouse HLA3450T - Thermal Magnetic Trip Unit 450A 600V 3-Pole

Westinghouse
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Westinghouse HLA3450T is a thermal magnetic trip unit designed for circuit breaker protection in industrial power distribution systems. It provides long-time and instantaneous (LI) protection functions with a voltage rating of 600V and a current rating range of 450A. This three-pole unit weighs 3 lb and is compatible with LA and HLA circuit breaker frames. It is engineered to meet industry standards for reliable overcurrent protection in demanding environments. Typical applications include motor control centers, switchboards, and industrial panelboards requiring precise thermal magnetic tripping.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit
  • Voltage Rating: 600V
  • Current Rating: 450A (Minimum: 450A, Maximum: 450A)
  • Poles: 3
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Compatible Frames: LA, HLA
  • Family: MARK 75
  • Weight: 3 lb


Product Identification
  • Manufacturer: Westinghouse
  • Item Subcategory: Trip Units & Programmers
  • Type: HLA