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Square D FA14040C - Molded Case 40A 1-Pole 277V

Square D
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The Square D FA14040C is a 1-pole molded case circuit breaker from the I-Line family, designed for thermal magnetic protection against overloads and short circuits. It is rated for 40A at 277V AC, with an interrupting capacity of 18kA at 277V, and operates on a single-phase system. This unit features an I-Line style plug-in connection, accepts wire sizes from AWG 14 to AWG 1/0 (Al/Cu), and measures 6.4 in (162.6 mm) x 1.5 in (38.1 mm) x 4.13 in (104.90 mm) with a weight of 6 lb. It provides long time and instantaneous trip functions, operates within a temperature range of -13 to 158 °F (-25 to 70 °C), and is suitable for industrial applications requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case, 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: Not specified
  • Applications: Industrial branch circuit protection
  • Switch Type: Not specified
  • Configuration: 1-Pole
  • Coil Voltage Maximum: Not specified
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Shipping Dimensions: Not specified
  • 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: Not specified
  • Trip Type: Thermal Magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not specified
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Not specified
  • Hz: Not specified
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: AWG 14 to AWG 1/0, Al/Cu
  • Amperage Maximum: 40A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: AWG 14 to AWG 1/0, Al/Cu
  • Certification: Not specified
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: Not specified
  • Phase Connection: 1-Phase
  • Standards: Not specified
  • Compatible Frames: Not specified
  • Installation Type: Plug-In
  • Item QTY: Not specified
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • Current Rating: 40A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: 70 °C
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


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