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Square D FA34045 - 3-Pole Molded Case Breaker, 45A 480V

Square D
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Square D FA34045 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 45A current rating and a 480V AC voltage rating, housed within a compact F-frame construction measuring 162.6 mm H x 114.3 mm W x 104.9 mm D and weighing 9 lb. The breaker complies with UL and CSA standards and utilizes a thermal-magnetic trip unit with long-time and instantaneous functions, offering an interrupting capacity of 18kA at 480V. Its I-Line style plug-in connection and compatibility with 14 to 1/0 AWG copper or aluminum wiring facilitate efficient installation in panelboards for motor control and feeder protection applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 480V AC
  • Current Rating: 45A
  • Dimensions: 6.4 in (162.6 mm) H x 4.5 in (114.3 mm) W x 4.13 in (104.90 mm) D
  • Standards: UL, CSA
  • Applications: Industrial Power Distribution, Motor Control, Feeder Protection
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 3-Phase
  • AIC Rating: 18kA @ 480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: F Frame
  • Wire Size: 14 to 1/0 AWG Copper/Aluminum
  • Family: I-Line
  • Country of Origin: Mexico
  • Weight: 9 lb


Product Identification
  • UPC: 785901848493
  • GTIN: 00785901848493