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Square D FA24045BC - Molded Case Circuit Breaker 45A 480V 2-Pole

Square D
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Square D FA24045BC is a 2-pole molded case circuit breaker from the I-Line FA series, designed to provide thermal-magnetic overload and short-circuit protection for 45A, 480V applications. It features long-time and instantaneous trip functions within an F Frame construction, utilizing an I-Line style plug-in connection for secure installation in compatible panelboards and switchboards. The unit weighs 6 lb and operates reliably across a temperature range of -13 to 158 °F (-25 to 70 °C). This breaker complies with industry standards for fault current interruption, offering an AIC rating of 18kA at 480VAC, 25kA at 240VAC, and 10kA at 250VDC. It is suited for single-phase industrial and commercial power distribution systems requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Square D
  • Model: FA24045BC
  • Family: I-Line
  • Series/Frame: FA Series, F Frame
  • Current Rating: 45 Amp
  • Voltage Rating: 480 Volt
  • Poles: 2
  • Phase: 1
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous Trip
  • Connection: I-Line Style Plug-In
  • Interrupt Rating: 25kA @ 240VAC
  • Interrupt Rating: 18kA @ 480VAC
  • Interrupt Rating: 10kA @ 250VDC
  • Weight: 6 lb
  • Temp Rating: -13–158 °F (-25–70 °C)