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Square D FA34090CBA - Molded Case Circuit Breaker 90A 480V

Square D
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The Square D FA34090CBA is a 3-pole molded case circuit breaker from the I-Line family, designed for thermal magnetic protection in industrial power distribution systems. It is rated for 90A at 480V AC with an 18kA interrupting capacity, providing LI (Long-Time and Instantaneous) protection functions for overload and short-circuit conditions. This F Frame breaker features an I-Line style plug-in connection for secure mounting in compatible panelboards and switchboards, with a compact design weighing 9 lb for straightforward installation. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in 3-phase electrical systems. Typical applications include branch circuit protection in manufacturing facilities, commercial buildings, and heavy machinery requiring robust overcurrent protection.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, I-Line Plug-In
  • Voltage Rating: 480V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 18kA@480V
  • Frame Size: F Frame
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Weight: 9 lb
  • Protection: Thermal Magnetic
  • Item Subcategory: Molded Case
  • Family: I-Line
  • Type: FA


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