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Square D QBA32090 - Molded Case 90A 3-Pole Breaker

Square D
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The Square D QBA32090 is a 3-pole molded case circuit breaker from the I-Line family, designed for thermal magnetic protection against overloads and short circuits. It is rated for 90A at 240V AC with a 10kA interrupting capacity, and it provides long time and instantaneous trip functions. This unit measures 6.47 in x 4.5 in x 3.93 in (164.34 mm x 114.3 mm x 99.82 mm) and weighs 6.691 lb, featuring an I-Line style plug-in connection and accepting wire sizes from AWG 4 to 300 kcmil (aluminum or copper). It complies with UL, CSA, NEMA, and NOM-003-SCFI-2000 standards, and is suitable for 3-phase industrial applications within a temperature range of -13 to 158 °F (-25 to 70 °C).

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, I-Line
  • Voltage Rating: 240V AC
  • Current Rating: 90A
  • Dimensions: 6.47 in (164.34 mm) x 4.5 in (114.3 mm) x 3.93 in (99.82 mm) (H x W x D)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Applications: 3-phase industrial power distribution
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 240V
  • Amperage: 90A
  • AIC rating: 10kA@240V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: Not specified
  • Trip Type: Thermal Magnetic
  • Panel Type: I-Line
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: 300 kcmil maximum
  • Metal Type: Not specified
  • Panel Style: I-Line
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • 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: Not specified
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: AWG 4 to 300 kcmil (Al/Cu)
  • Amperage Maximum: 90A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: AWG 4 to 300 kcmil (Al/Cu)
  • Certification: UL, CSA, NOM
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: Not specified
  • Phase Connection: 3-Phase
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Compatible Frames: Not specified
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not specified
  • 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: 70 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901686446
  • GTIN: 00785901686446