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Westinghouse JA3125 - Molded Case 125A 3-Pole 600V

Westinghouse
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Westinghouse JA3125 is a 125 Amp, 3-pole molded case circuit breaker from the JA Series, designed to provide thermal magnetic protection for industrial three-phase electrical systems. It operates at a voltage rating of 600V and delivers an interrupting capacity of 22kA at 480V, utilizing a Long-Time and Instantaneous (LI) trip function for reliable fault interruption. The unit features a bolt-on connection style and weighs 19 lb, ensuring secure installation within compatible panels. This breaker complies with UL standards for safety and performance in demanding environments. It is well-suited for protecting branch circuits and main feeders in industrial power distribution applications.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: JA Series
  • Type: JA
  • 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: 125A
  • Amperage: 125 Amp
  • Voltage: 600 Volt AC
  • Mounting Type: Bolt-On
  • Frame Type: JA
  • Trip Unit: Thermal Magnetic Fixed Trip
  • Interrupt Rating: 22kAIC @ 480V
  • Phase: 3-Phase
  • Certification: UL Listed