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Westinghouse HLA3400T - Thermal Magnetic Trip Unit 400A 600V

Westinghouse
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Westinghouse HLA3400T is a thermal magnetic circuit breaker trip unit designed for providing reliable overcurrent protection in industrial power distribution systems. It features a 600V AC voltage rating and a fixed 400A current rating, engineered for three-pole configurations within a 400A frame. The unit is constructed with a compact design measuring 8.6 x 5.4 x 5.4 inches and a weight of 2.45 lb, and it complies with UL standards for safety. Utilizing Long-Time and Instantaneous (LI) protection functions, it is compatible with LA and HLA breaker frames and is suited for protecting feeders and branch circuits in commercial and industrial facilities.

Key Features & Specifications
  • Type: HLA Series Thermal Magnetic Trip Unit
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 8.6 in x 5.4 in x 5.4 in (L x H x W)
  • Standards: UL Listed
  • Applications: Industrial feeder and branch circuit protection
  • Switch Type: Integrated Trip Unit
  • Configuration: Fixed
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: 400
  • Trip Type: Fixed
  • Breaker Type: Molded Case Circuit Breaker Trip Unit
  • Compatible Frames: LA, HLA
  • Amperage Maximum: 400A
  • Amperage Minimum: 400A
  • Certification: UL Listed
  • Family: MARK 75
  • Country of Origin: United States
  • Weight: 2.45 lb


Product Identification
  • UPC: 786679187920
  • GTIN: 00786679187920