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Square D QO120PL - Miniature Circuit Breaker 20A 1-Pole

Square D
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Square D QO120PL is a QO Series miniature circuit breaker from Schneider Electric designed for overcurrent protection in residential and commercial power distribution systems. This single-pole unit provides long time and instantaneous trip functions with a 20A current rating and 240V voltage rating, delivering a 10kA interrupting capacity at 240V. The thermal magnetic protection mechanism accommodates copper or aluminum wire sizes from AWG 14 to AWG 2, with a compact plug-in connection and dimensions of 4.6 in (116 mm) height, 0.7 in (19 mm) width, and 2.9 in (74 mm) depth, weighing 0.47 lb. It operates within a temperature range of -13 to 158 °F (-25 to 70 °C) and is manufactured in Mexico for compliance with industry standards. Typical applications include lighting circuits, control systems, and NQOD panelboards.

Key Features & Specifications
  • Type: QO
  • Current Rating: 20A
  • Voltage Rating: 240V
  • Poles: 1
  • Interrupt Rating: 10kA at 240V
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Connection: Plug-In
  • Wire Size: AWG 12 to AWG 2, AWG 14 to AWG 2, Copper/Aluminum
  • Dimensions: 4.6 in (116 mm) x 0.7 in (19 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Weight: 0.47 lb
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Phase: 1
  • Family: QO Series
  • Country of Origin: Mexico
  • Item Subcategory: Molded Case


Product Identification
  • UPC: 785901095705
  • GTIN: 00785901095705