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Square D FA26045AC - 45A Molded Case Breaker (600V, 18kA AIC)

Square D
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Square D FA26045AC is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial power distribution systems. It features a 45A current rating and a 600V AC voltage rating, housed within a compact F-frame design with a plug-in I-Line connection for simplified installation. The breaker utilizes a thermal-magnetic trip mechanism offering both long-time and instantaneous protection functions, is constructed to operate in temperatures from -25°C to 70°C, and carries CSA and UL certifications for safety compliance. Its 18kA interrupting rating at 480V AC makes it suitable for protecting branch circuits and equipment in commercial and industrial panelboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, I-Line Plug-In
  • Voltage Rating: 600V AC
  • Current Rating: 45A
  • Frame Size: F Frame
  • Poles: 2
  • Phase: 1
  • AIC Rating: 18kA @ 480V AC
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic (Long Time & Instantaneous)
  • Wire Size: Copper: 14 AWG to 1/0 AWG; Aluminum: 12 AWG to 1/0 AWG
  • Certification: CSA, UL
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Weight: 6 lb