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Westinghouse JB3150 - Molded Case Circuit Breaker 150A 3-Pole 600V

Westinghouse
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Westinghouse JB3150 is a three-pole molded case circuit breaker from the AB DE-ION family, designed for LI (Long-Time and Instantaneous) protection functions. It is rated for 600V AC, 150A, with a 22kA interrupting capacity at 480V, and utilizes thermal-magnetic protection in a three-phase configuration. This bolt-on unit weighs 19 lb and is constructed for robust industrial environments. The breaker complies with industry standards for overcurrent protection in commercial and industrial power distribution systems. Typical applications include protecting feeders, motors, and branch circuits in panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case, AB DE-ION Family
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 22kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 19 lb