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Westinghouse LA3400 - Molded Case 400A 600V 3-Pole Breaker

Westinghouse
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The Westinghouse LA3400 is a three-pole molded case circuit breaker from the LA Series, designed to provide overcurrent protection through long-time and instantaneous (LI) trip functions. It is rated for 600V AC, 400A, with a 30kA interrupting capacity at 480V, and utilizes thermal-magnetic protection for reliable fault clearing. This bolt-on breaker weighs 29 lb and features a three-phase configuration, ensuring robust performance in industrial power distribution systems. It complies with applicable industry standards for molded case circuit breakers, making it suitable for protecting feeders and branch circuits in commercial and industrial environments.

Key Features & Specifications
  • Type: Molded Case
  • Voltage Rating: 600V
  • Current Rating: 400A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 30kA@480V
  • Phase: 3
  • Functions: LI - Long-Time and Instantaneous
  • Family: LA Series
  • Weight: 29 lb


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