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Westinghouse JA2125 - Molded Case 125A 2-Pole (600V)

Westinghouse
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Westinghouse JA2125 is a 2-pole molded case circuit breaker from the JA Series, designed for reliable thermal magnetic protection in commercial and industrial power distribution systems. It is rated for 125A at 600VAC with a 22kA interrupting capacity at 480V, providing LI (Long-Time and Instantaneous) trip functions for both overload and short circuit protection. The unit features a bolt-on connection, a steel frame construction with arc chutes in every pole, and weighs 17 lb, ensuring robust and durable performance in standard panel mounting configurations. This breaker complies with industry standards for single-phase applications, delivering consistent overcurrent protection in demanding environments. Typical applications include industrial machinery, lighting panels, and commercial branch circuit protection.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: JA Series
  • Type: JA
  • Weight: 17 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600VAC
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 22kA@480V
  • Phase: 1
  • Current Rating: 125A
  • Part Number: JA2125
  • Mounting Type: Standard
  • Series/Frame: JA
  • Trip Unit: Thermal Magnetic
  • Interrupt Rating: 10,000 AIC
  • Construction: Steel Frame
  • Arc Chutes: Included
  • Application: Commercial, Industrial