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Square D FC24045AB - Molded Case Circuit Breaker 45A 480V

Square D
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The Square D FC24045AB is a 2-pole molded case circuit breaker from the I-Line family, designed for thermal-magnetic protection in industrial power distribution systems. It is rated for 45A at 480V AC, with a high interrupting capacity of 65kA at 480V, and features LI (Long-Time and Instantaneous) trip functions for overcurrent and short-circuit protection. This F Frame breaker uses an I-Line style plug-in connection for secure busbar mounting, weighs 6 lb, and is built for single-phase applications. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in panelboards and switchboards. Typical applications include branch circuit protection in commercial and industrial facilities requiring robust overcurrent safeguarding.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, I-Line Plug-In
  • Voltage Rating: 480V AC
  • Current Rating: 45A
  • Poles: 2
  • AIC Rating: 65kA@480V
  • Frame Size: F Frame
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Phase: 1
  • Weight: 6 lb
  • Protection: Thermal Magnetic
  • Family: I-Line
  • Type: FC
  • Item Subcategory: Molded Case