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Westinghouse LBB3400S - Molded Case 400A 600V 3-Pole

Westinghouse
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Westinghouse LBB3400S is a three-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC and 400A continuous current, with a 30kA interrupting capacity at 480V AC. This bolt-on unit weighs 20 lb and utilizes thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions for coordinated fault response. The breaker complies with applicable industry standards for molded case circuit breakers. It is suitable for use in switchboards, panelboards, and other commercial or industrial electrical equipment requiring reliable circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 30kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 20 lb


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