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

Square D
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Square D QBA32090 is a 3-pole molded case circuit breaker from the PowerPact Q series, designed to provide thermal magnetic overload and short-circuit protection for commercial and industrial power distribution systems. It is rated for 90A at 240VAC with a 10kA interrupting capacity, utilizing a long time and instantaneous trip unit for precise fault response. The unit measures 6.47 in (164.34 mm) x 4.5 in (114.3 mm) x 3.93 in (99.82 mm), weighs 6.691 lb, and features an I-Line style plug-in connection for bracket mounting, with load side lugs accepting AWG 4 to 300 kcmil aluminum or copper wire. It complies with UL, CSA, NEMA, and NOM-003-SCFI-2000 standards, and is certified under UL, CSA, and NOM for safety and performance. This breaker is suited for panelboard and switchboard applications requiring reliable 3-phase protection in harsh environments, with an operating temperature range of -13 to 158 °F (-25 to 70 °C).

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Item Subcategory: Molded Case
  • Family: I-Line
  • Type: QBA
  • Current Rating: 90A
  • Voltage Rating: 240V
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • AIC rating: 10kA@240V
  • Connection: I-Line Style Plug-In
  • Wire Size: AWG 4 to 300KCmil, Aluminum/Copper
  • Dimensions: 6.47 in (164.34 mm) x 4.5 in (114.3 mm) x 3.93 in (99.82 mm) (Height x Width x Depth)
  • Weight: 6.691 lb
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Certification: UL, CSA, NOM
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901686446
  • GTIN: 00785901686446