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Square D FA14040A - 40A 1-Pole Thermal Magnetic (I-Line)

Square D
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Square D FA14040A Circuit Breaker - 40A 1-Pole Thermal Magnetic (I-Line) The Square D FA14040A is a 1-pole molded case circuit breaker from the I-Line family, designed for overcurrent and short-circuit protection in industrial power distribution systems. It features a 40A current rating and a 277V voltage rating, with an 18kA interrupting capacity at 277V, and utilizes thermal-magnetic protection with long time and instantaneous trip functions. This breaker measures 6.4 in x 1.5 in x 4.13 in (162.6 mm x 38.1 mm x 104.90 mm) and weighs 6 lb, employing an I-Line style plug-in connection and accepting wire sizes from AWG 14 to AWG 1/0 (Al/Cu). It is UL and CSA certified, operates within a temperature range of -13°F to 158°F (-25°C to 70°C), and is manufactured in Mexico by Schneider Electric. Typical applications include branch circuit protection in panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: FA Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 277V
  • Current Rating: 40A
  • Dimensions: 6.4 in (162.6 mm) x 1.5 in (38.1 mm) x 4.13 in (104.90 mm) (Height x Width x Depth)
  • Standards: UL, CSA
  • Applications: Branch circuit protection in panelboards, switchboards, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: 1-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Shipping Dimensions: N/A
  • Phase: 1
  • Voltage: 277V
  • Amperage: 40A
  • AIC rating: 18kA@277V
  • Connection: I-Line Style Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: FA
  • Trip Type: Thermal Magnetic
  • Panel Type: I-Line
  • Breaker Type: Molded Case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: N/A
  • Panel Style: I-Line
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: N/A
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: Plug-In
  • Hz: N/A
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: AWG 14 to AWG 1/0, Al/Cu
  • Amperage Maximum: 40A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: AWG 14 to AWG 1/0, Al/Cu
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line Style Plug-In
  • Frequency Rating: N/A
  • Phase Connection: 1-Phase
  • Standards: UL, CSA
  • Compatible Frames: FA
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: FA
  • Current Rating: 40A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 70 °C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: Not available
  • GTIN: Not available