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Square D FA22045AB - Molded Case Circuit Breaker 45A 240V

Square D
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Square D FA22045AB 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 240V AC, 45A, with a 10kA interrupting capacity at 240V, and provides LI (Long-Time and Instantaneous) trip functions for overcurrent and short-circuit protection. The unit features an I-Line style plug-in connection, an F Frame size, and weighs 6 lb, with a 1-phase configuration for reliable branch circuit protection. This breaker complies with industry standards for molded case circuit breakers, ensuring safe and consistent performance in panelboards and switchboards. Typical applications include lighting, heating, and motor control circuits in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, I-Line Plug-In
  • Voltage Rating: 240V AC
  • Current Rating: 45A
  • Poles: 2
  • Phase: 1
  • AIC Rating: 10kA@240V
  • Frame Size: F Frame
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Weight: 6 lb
  • Family: I-Line
  • Type: FA
  • Item Subcategory: Molded Case


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