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Square D QOB220 - 2-Pole 20A Circuit Breaker (120/240VAC, 10kA AIC)

Square D
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Square D QOB220 is a molded case circuit breaker designed for providing reliable overcurrent protection in commercial and industrial electrical systems. It features a 20A current rating and a 120/240VAC voltage rating, housed within a compact 3.0 in (76 mm) x 1.5 in (38 mm) x 2.9 in (74 mm) bolt-on unit constructed with a thermal magnetic trip mechanism for both long-time and instantaneous protection. This breaker is CSA and UL Listed, ensuring compliance with industry safety standards for integration into Square D NQOD panelboards. Its typical applications include protecting branch circuits in lighting and appliance panels.

Key Features & Specifications
  • Type: QOB Series, Standard, Molded Case, Thermal Magnetic Protection
  • Voltage Rating: 120/240VAC
  • Current Rating: 20A
  • Frame Size: 100A/QO
  • AIC Rating: 10kA @ 120V
  • Poles: 2
  • Phase: 1
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Wire Size: 14 AWG to 8 AWG (Copper or Aluminum)
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Dimensions: 3.0 in H (76 mm) x 1.5 in W (38 mm) x 2.9 in D (74 mm)
  • Weight: 0.55 lb
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Standards & Certification: CSA, UL Listed
  • Panel Type: Square D NQOD Panelboards
  • Protection: Thermal Magnetic
  • Breaker Type: Standard


Product Identification
  • UPC: 785901416869
  • GTIN: 00785901416869