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Square D FA34045CBA - Molded Case 45A 3-Pole (480V, 18kAIC)

Square D
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Square D FA34045CBA is a 3-pole thermal magnetic molded case circuit breaker from the I-Line FA Series, designed to provide long-time and instantaneous (LI) overcurrent protection for power distribution systems. Rated for 45A at 480VAC with an interrupting capacity of 18kAIC at 480V, this F Frame breaker utilizes an I-Line style plug-in connection for secure mounting in compatible panelboards and switchboards. The unit weighs 9 lb and supports wire gauges from 14 to 1/0 AWG copper or aluminum, with a maximum operating temperature of 40°C. It is UL and CSA listed and complies with RoHS standards, making it suitable for industrial and commercial applications requiring reliable circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: I-Line
  • Series: FA
  • Amperage: 45 Amps
  • Voltage: 480VAC
  • Poles: 3
  • Phase: 3
  • Mounting Type: I-Line Plug-In
  • Interrupting Rating: 18kAIC @ 480V
  • Trip Unit: Thermal Magnetic
  • Protection Functions: Long Time and Instantaneous Trip
  • Frame Size: F Frame
  • Terminal Connection: Line and Load Lug
  • Wire Gauge: 14 to 1/0 AWG Copper/Aluminum
  • Standards: UL, CSA, RoHS
  • Temperature Rating: 40°C
  • Weight: 9 lb


Part Number: FA34045CBA