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Westinghouse LBB3400 - Molded Case 400A 600V 3-Pole

Westinghouse
Price
Save $-890.28
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Condition
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Westinghouse LBB3400 is a three-pole, 400-amp molded case circuit breaker from the AB DE-ION family, designed for thermal magnetic overcurrent protection in three-phase electrical systems. It operates at a voltage rating of 600V AC and provides a 30kA interrupting capacity at 480V, with long-time and instantaneous trip functions for coordinated fault clearing. The unit weighs 20 lb, features bolt-on mounting, and includes load side lug terminals with an interchangeable trip unit for flexible field adjustment. This breaker complies with industry standards for molded case circuit breakers and is suited for industrial power distribution and motor branch circuit protection.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: AB DE-ION
  • Type: LBB
  • Weight: 20 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V AC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 30kA at 480V
  • Phase: 3
  • Current Rating: 400A
  • Series/Frame: LB
  • Interchangeable Trip Unit
  • Load Side Lug Terminals