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Square D QOUR320 - Molded Case Circuit Breaker 20A 3-Pole

Square D
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Square D QOUR320 Circuit Breaker is a 3-pole molded case circuit breaker designed for overcurrent protection in commercial and industrial power distribution systems. It is rated for 120/240V AC and 20A, providing reliable short-circuit and overload protection. The unit measures 4.05 in (102.87 mm) x 2.25 in (57.15 mm) x 2.95 in (74.93 mm) and weighs 1.16 lb, constructed with a compact, plug-on design for QO load centers. It complies with CSA, UL 489, and IEC 60947-2 standards, ensuring global safety and performance. Typical applications include branch circuit protection in lighting, motor, and general-purpose loads.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, 3-pole, thermal-magnetic trip
  • Voltage Rating: 120/240V AC
  • Current Rating: 20A
  • Dimensions: 4.05 in (102.87 mm) x 2.25 in (57.15 mm) x 2.95 in (74.93 mm) (H x W x D)
  • Standards: CSA, UL 489, IEC 60947-2
  • Applications: Branch circuit protection in commercial and industrial panels
  • Wire Size: AWG 14 to AWG 2 (aluminum/copper)
  • Weight: 1.16 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901079385
  • GTIN: 00785901079385