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Square D FJA140401 - Molded Case Breaker 40A 277V 1-Pole

Square D
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The Square D FJA140401 is a molded case circuit breaker from the Powerpact family, designed to provide overcurrent protection through long time and instantaneous trip functions. This single-pole unit operates at a voltage rating of 277V with a 40A current rating and an AIC rating of 65kA at 480V. It features an I-Line style plug-in connection, thermal magnetic protection, and weighs 1 lb, with an operating temperature range of -13 to 158 °F (-25 to 70 °C). The breaker complies with industry standards for single-phase applications, ensuring reliable performance in demanding environments. Typical industrial applications include branch circuit protection in panelboards and switchboards where compact, high-interrupting capacity is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact FJA, Thermal Magnetic
  • Voltage Rating: 277V
  • Current Rating: 40A
  • Poles: 1
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC Rating: 65kA@480V
  • Phase: 1
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Functions: Long Time and Instantaneous Trip
  • Weight: 1 lb
  • Manufacturer: Schneider Electric
  • Item Subcategory: Molded Case
  • Family: Powerpact
  • Type: FJA


Product Identification
  • UPC: Not specified
  • GTIN: Not specified