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Westinghouse HLA2400 - Molded Case Breaker 400A 600V

Westinghouse
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The Westinghouse HLA2400 is a 2-pole molded case circuit breaker from the MARK 75 family, designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 400A continuous current, and provides LI (Long-Time and Instantaneous) protection functions through a thermal-magnetic trip mechanism. This bolt-on breaker weighs 26 lb and features a compact frame construction suitable for panelboard installation, with an AIC rating of 35kA at 480V for high-fault-current applications. It complies with applicable UL and NEMA standards for molded case circuit breakers. Typical applications include feeder protection in commercial and industrial switchboards, motor control centers, and distribution panels requiring single-phase or two-pole protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, Bolt-On
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Poles: 2
  • Phase: 1
  • AIC Rating: 35kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Family: MARK 75
  • Weight: 26 lb
  • Standards: UL, NEMA


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