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Square D QO320SWN - Molded Case Circuit Breaker 20A 240V 1P 3P

Square D
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Square D QO320SWN is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in single-phase electrical systems. It features a 20A current rating and a 240V AC voltage rating, housed within a compact plug-in unit measuring 3.0 in (76 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D and weighing 0.85 lb. The breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection, ensuring compliance with industry standards for safety and performance. Its 10kA interrupting rating at 240V makes it suitable for a range of residential and light commercial panel applications.

Key Features & Specifications
  • Type: Molded Case, Thermal-Magnetic Protection, Plug-In Connection
  • Voltage Rating: 240V AC
  • Current Rating: 20A
  • Dimensions: 3.0 in (76 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D
  • Weight: 0.85 lb
  • Standards: Industry Standard
  • Applications: Residential & Light Commercial Electrical Panels
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 1
  • Amperage: 20A
  • AIC rating: 10kA@240V
  • Connection: Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Family: QO Series
  • Item Subcategory: Molded Case
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901400707
  • GTIN: 00785901400707