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JB3150S

Westinghouse
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Westinghouse JB3150S Circuit Breaker - Molded Case 150A 600V 3-Pole (Thermal Magnetic) The Westinghouse JB3150S is a 3-pole molded case circuit breaker from the AB DE-ION family, designed to provide overcurrent protection through a thermal magnetic trip mechanism with LI (Long-Time and Instantaneous) functions. It is rated for 600VAC and 150A, with an interrupting capacity of 22kA at 480V, and features a bolt-on connection for secure mounting in panel applications. Weighing 19 lb, this Type JB breaker is built for durability in industrial environments. It complies with industry standards for molded case circuit breakers, making it suitable for use in commercial and industrial power distribution systems requiring reliable protection.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: AB DE-ION
  • Type: JB
  • Weight: 19 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 22kA@480V
  • Phase: 3
  • Current Rating: 150A
  • Amperage: 150A
  • Mounting Type: Bolt-On
  • Interrupt Rating: 22kA @ 480V
  • Series/Frame: AB Deion
  • Trip Unit: Thermal Magnetic
  • Application: Panel Mount


Part Number: JB3150S