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Square D QO220SWN - Switched Neutral Circuit Breaker 20A 2-Pole

Square D
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Square D QO220SWN is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in residential and light commercial electrical systems. It operates at a 20A current rating with a 120/240V AC voltage rating and features a compact plug-in design measuring 76 mm H x 38 mm W x 74 mm D. The breaker is constructed with a thermal-magnetic trip mechanism for both long-time and instantaneous protection and a switched neutral function, complying with UL and CSA standards for safety. Its typical applications include integration into QO load centers and NQ panelboards to safeguard branch circuits.

Key Features & Specifications
  • Type: Molded case, thermal-magnetic, switched neutral circuit breaker
  • Voltage Rating: 120/240V AC
  • Current Rating: 20A
  • Dimensions: 76 mm H x 38 mm W x 74 mm D (3.0 in x 1.5 in x 2.9 in)
  • Standards: UL Listed, CSA Certified
  • Applications: QO Load Centers and NQ Panelboards
  • Switch Type: Switched Neutral
  • Configuration: Plug-In
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 1
  • AIC rating: 10kA @ 120V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Frame Size: 100A/QO
  • Panel Type: QO Load Centers and NQ Panelboards
  • Breaker Type: Switched Neutral
  • MCM Size: Min. 12 AWG (Al) / 14 AWG (Cu), Max. 8 AWG
  • Terminal Connection: Pressure plate
  • Wire Size: AWG 14 to AWG 8, Copper or Aluminum
  • Certification: UL Listed


Product Identification
  • UPC: 785901400394
  • GTIN: 00785901400394