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Square D QDA320906 - Molded Case Circuit Breaker 90A 240V 3-Pole

Square D
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Square D QDA320906 is a 3-pole PowerPact Q molded case circuit breaker designed for overcurrent protection in industrial and commercial power distribution systems. It is rated for 90A at 240VAC with a 25kA interrupting capacity and utilizes thermal magnetic protection with long-time and instantaneous trip functions. The breaker features an I-Line style plug-in mounting for secure installation in compatible panelboards, weighs 4 lb, and includes load side lug terminals accepting wire sizes from AWG 4 to 300 MCM for both copper and aluminum conductors. It complies with UL, CSA, NEMA, NOM, IEC, RoHS, REACh, and HACR standards. This Q Frame unit is suited for 3-phase applications requiring reliable circuit protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: I-Line
  • Type: QDA
  • Weight: 4 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: Q Frame
  • Voltage Rating: 240V
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 25kA@240V
  • Phase: 3
  • Current Rating: 90A
  • Series: PowerPact Q
  • Terminal Connection: Load Side Lug
  • Wire Gauge: AWG 4 to 300 MCM (Aluminum/Copper)
  • Standards: UL, CSA, NEMA, NOM, IEC, RoHS, REACh, HACR


Part Number: QDA320906