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Square D FJA34090 - Powerpact 90A 3-Pole MCCB 480V

Square D
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The Square D FJA34090 is a 3-pole molded case circuit breaker from the Powerpact family, designed for thermal-magnetic protection in industrial power distribution systems. It is rated for 480V AC, 90A continuous current, and provides a 65kA interrupting capacity at 480V, with LI (Long-Time and Instantaneous) trip functions for overcurrent and short-circuit protection. This unit features an I-Line style plug-in connection for easy installation in compatible panelboards, weighs 8 lb, and is built for 3-phase applications. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include protecting feeders, motors, and branch circuits in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact FJA, Thermal-Magnetic, LI Trip
  • Voltage Rating: 480V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 8 lb
  • Manufacturer: Schneider Electric
  • Family: Powerpact
  • Type: FJA
  • Item Subcategory: Molded Case


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