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Westinghouse LB3350S - Molded Case Circuit Breaker 350A 600V 3P

Westinghouse
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Westinghouse LB3350S is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 600V AC voltage rating and a 350A continuous current rating, housed within a robust 20 lb frame utilizing a bolt-on connection for secure installation. This thermal magnetic protection device complies with industry standards for interrupting up to 30kA at 480V AC, utilizing a long-time and instantaneous (LI) trip function for coordinated system protection. Its design is suited for integration into panelboards and switchgear within commercial and industrial facilities requiring dependable circuit isolation.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 350A
  • Frame: AB DE-ION Family, LB Type
  • Poles: 3
  • Phase: 3
  • Protection Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 30kA @ 480V AC
  • Connection: Bolt-On
  • Weight: 20 lb


Product Identification
  • Manufacturer Part Number: LB3350S