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Square D QBL32090 - Molded Case Circuit Breaker 90A 3P (10kA AIC)

Square D
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Square D QBL32090 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 90A current rating and a 240V AC voltage rating, housed within a compact Q Frame measuring 164.34 mm H x 114.3 mm W x 99.82 mm D and weighing 4.76 lb. The breaker utilizes a thermal-magnetic trip unit for both long-time and instantaneous protection, ensuring compliance with UL, CSA, NEMA, and NOM standards. Its 10kA interrupting rating at 240V and feed-thru connection make it suitable for a wide range of commercial and industrial panelboard applications, operating reliably in ambient temperatures from -25°C to 70°C.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, QBL Series
  • Voltage Rating: 240V AC
  • Current Rating: 90A
  • Dimensions: 6.47 in (164.34 mm) H x 4.5 in (114.3 mm) W x 3.93 in (99.82 mm) D
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Applications: Industrial Power Distribution, Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous
  • Frame Size: Q Frame
  • AIC rating: 10kA@240V
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Certification: UL, CSA, NOM
  • Family: Powerpact
  • Country of Origin: Mexico
  • Weight: 4.76 lb


Product Identification
  • UPC: 785901458593
  • GTIN: 00785901458593