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Westinghouse LB3175S - Molded Case Circuit Breaker 175A 600V 3P

Westinghouse
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Westinghouse LB3175S is a molded case circuit breaker designed to provide reliable overcurrent protection for three-phase industrial electrical systems. It features a 175A current rating and a 600V AC voltage rating, housed within a robust 20 lb thermal-magnetic unit with a bolt-on connection. The breaker complies with industry standards, offering a 30kA interrupting capacity at 480V AC for effective short-circuit protection. Its long-time and instantaneous (LI) trip functions make it suitable for safeguarding motors, feeders, and distribution panels in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, AB DE-ION Family
  • Voltage Rating: 600V AC
  • Current Rating: 175A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 30kA @ 480V AC
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Weight: 20 lb


Product Identification
  • Manufacturer Part Number: LB3175S