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Square D QH220 - Molded Case Circuit Breaker 20A 2-Pole

Square D
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Square D QH220 is a molded case circuit breaker designed for providing reliable overcurrent protection in residential and light commercial electrical systems. It features a 20A current rating and a 240V AC voltage rating, housed within a compact plug-in unit measuring 76 mm x 38 mm x 74 mm (H x W x D) and weighing 0.5 lb. The breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection, achieving a 65kA interrupting rating at 240V, and is constructed with pressure plate terminals compatible with 14 to 8 AWG copper or aluminum wire. It complies with UL and CSA standards, ensuring safe operation in single-phase applications such as branch circuit and appliance protection.

Key Features & Specifications
  • Type: Molded Case, Standard, Thermal Magnetic Protection (LI)
  • Voltage Rating: 240V AC
  • Current Rating: 20A
  • Dimensions: 3.0 in (76 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D
  • Standards: UL Listed, CSA
  • Applications: Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 1
  • AIC rating: 65kA@240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Breaker Type: Standard
  • Terminal Connection: Pressure Plate
  • MCM Size: Min. 14 AWG, Max. 8 AWG (Cu/Al)
  • Certification: UL Listed, CSA
  • Family: QO Series
  • Country of Origin: Mexico
  • Weight: 0.5 lb


Product Identification
  • UPC: 785901012917
  • GTIN: 00785901012917