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Square D FA34090CBA1021 - Molded Case Circuit Breaker 90A 480V 3-Pole

Square D
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Square D FA34090CBA1021 is a 3-pole molded case circuit breaker from the I-Line family, designed for overcurrent protection in industrial power distribution systems. It provides LI (Long-Time and Instantaneous) protection functions with a 90A current rating and a voltage rating of 480V AC. This unit weighs 9 lb and features an F Frame size with an I-Line style plug-in connection for secure mounting in compatible panelboards. The breaker employs thermal magnetic protection and has an AIC rating of 18kA at 480V, suitable for high-fault-current environments. It is commonly used in commercial and industrial applications requiring reliable branch circuit protection in three-phase systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, I-Line Family, FA Type
  • Voltage Rating: 480V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 18kA@480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • Connection: I-Line Style Plug-In
  • Weight: 9 lb
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: 60 Hz (typical)
  • Phase Connection: Three-Phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Installation Type: Panelboard Mount
  • Breaker Frame: F Frame


Product Identification
  • UPC: Not provided
  • GTIN: Not provided