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Westinghouse JA3100S - 100A 3-Pole Molded Case Breaker

Westinghouse
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The Westinghouse JA3100S is a three-pole molded case circuit breaker from the JA Series, designed to protect electrical circuits from overloads and short circuits. It is rated for 100A of continuous current at a maximum of 600V AC, with an interrupting capacity of 22kA at 480V AC, and utilizes a thermal magnetic trip mechanism for LI (Long-Time and Instantaneous) protection. This bolt-on unit weighs 19 lb and is constructed for robust industrial applications, complying with relevant industry standards for safety and performance. It is typically used in commercial and industrial power distribution systems requiring reliable overcurrent protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, JA Series
  • Voltage Rating: 600V
  • Current Rating: 100A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC rating: 22kA@480V
  • Weight: 19 lb
  • Circuit Breaker Mounting Style: Bolt-On
  • Standards: Complies with applicable industry standards


Product Identification
  • Manufacturer: Westinghouse
  • Model: JA3100S
  • Family: JA Series
  • Type: JA