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Square D FA14090A - 90A 1-Pole Molded Case Breaker (277V)

Square D
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Square D FA14090A is a 90A, 1-pole molded case circuit breaker from the I-Line family, designed for thermal-magnetic protection in industrial power distribution systems. It operates at 277VAC with an 18kA interrupting capacity and provides long-time and instantaneous fault protection. This unit features an I-Line style plug-in connection, weighs 6 lb, and measures 6.4 in x 1.5 in x 4.13 in (162.6 mm x 38.1 mm x 104.90 mm). It is UL-listed and manufactured in Mexico by Schneider Electric, accepting copper wire sizes from AWG 14 to 1/0 and aluminum wire from AWG 12 to 1/0. Typical applications include branch circuit protection in panelboards, switchboards, and motor control centers requiring single-phase, 277VAC service.

Key Features & Specifications
  • Type: FA Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 277V
  • Current Rating: 90A
  • Dimensions: 6.4 in (162.6 mm) x 1.5 in (38.1 mm) x 4.13 in (104.90 mm) (H x W x D)
  • Standards: UL Listed
  • Applications: Branch circuit protection in panelboards, switchboards, motor control centers
  • Switch Type: Toggle
  • Configuration: 1-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: N/A
  • Shipping Dimensions: N/A
  • Phase: 1
  • Voltage: 277V
  • Amperage: 90A
  • AIC rating: 18kA@277V
  • Connection: I-Line Style Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous
  • Frame Size: FA
  • Trip Type: Thermal Magnetic
  • Panel Type: N/A
  • Breaker Type: Molded Case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: N/A
  • Panel Style: N/A
  • 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: 50/60
  • 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: Copper AWG 14-1/0, Aluminum AWG 12-1/0
  • Amperage Maximum: 90A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: Toggle
  • Wire Size: AWG 14 to 1/0 (Copper), AWG 12 to 1/0 (Aluminum)
  • Certification: UL
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 1-Phase
  • Standards: UL 489
  • Compatible Frames: I-Line
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: FA
  • Current Rating: 90A
  • 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: N/A
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


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