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Square D FA26090 - Molded Case Breaker 90A 600V

Square D
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Square D FA26090 is a 2-pole molded case circuit breaker from the I-Line family, designed for thermal magnetic overcurrent protection in industrial power distribution systems. It provides a 90A current rating with a maximum voltage rating of 600V and an interrupting capacity of 18kA at 480V, utilizing LI (Long-Time and Instantaneous) trip functions for coordinated fault response. This F Frame breaker features an I-Line style plug-in connection for secure panel mounting, weighs 6 lb, and is constructed for single-phase operation. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in commercial and industrial environments. Typical applications include branch circuit protection in switchboards, panelboards, and motor control centers where compact, high-interrupting capacity is required.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, I-Line Plug-In
  • Voltage Rating: 600V
  • Current Rating: 90A
  • Dimensions: F Frame size
  • Standards: Industry standard for molded case circuit breakers
  • Applications: Branch circuit protection in switchboards, panelboards, motor control centers
  • Switch Type: Circuit breaker
  • Configuration: 2-pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: Standard industrial
  • Shipping Dimensions: F Frame
  • Phase: 1
  • Voltage: 600V
  • Amperage: 90A
  • AIC rating: 18kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: I-Line
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: I-Line
  • Bus Type: I-Line
  • Fuse Class: Not applicable
  • Insulation Temperature: Standard
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: I-Line Plug-In
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 90A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 90A
  • Full Load Amp Minimum: 90A
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 90A
  • Amperage Minimum: 90A
  • Nema Rating: Not specified
  • Switch Style: Circuit breaker
  • Wire Size: Not specified
  • Certification: Industry standard
  • Circuit Breaker Mounting Style: I-Line Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase
  • Standards: Industry standard for molded case circuit breakers
  • Compatible Frames: F Frame
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: F Frame
  • Current Rating: 90A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: Standard industrial
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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