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Westinghouse J3150 - Molded Case 150A 3-Pole 600V

Westinghouse
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Westinghouse J3150 Circuit Breaker - Molded Case 150A 3-Pole 600V (Thermal Magnetic) The Westinghouse J3150 is a 3-pole molded case circuit breaker designed for overcurrent protection in commercial and industrial electrical distribution systems. Rated for 600V AC and 150A, it utilizes a thermal magnetic trip mechanism with long-time and instantaneous (LI) functions to safeguard against sustained overloads and short circuits. This bolt-on unit weighs 18 lb and is built on the J series frame with a 225A frame size, providing robust construction for demanding environments. It carries an interrupting rating of 22kA at 480V AC and operates on a 3-phase system, meeting industry standards for reliable fault interruption. Typical applications include panelboards, switchboards, and motor control centers requiring durable, high-performance circuit protection.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Type: Molded Case Circuit Breaker
  • Series/Frame: J Series
  • Poles: 3
  • Current Rating: 150A
  • Voltage Rating: 600V AC
  • Interrupt Rating: 22kA @ 480V
  • Protection: Thermal Magnetic
  • Trip Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Phase: 3
  • Weight: 18 lb
  • Frame Size: 225A
  • Application: Commercial and Industrial


Part Number: J3150