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Square D QO1201021 - Shunt Trip Circuit Breaker 20A 120/240V

Square D
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Square D QO1201021 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in residential and light commercial electrical systems. It features a 20A current rating and a 120/240V voltage rating, housed within a compact plug-in design measuring 3.0 in (76 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D and weighing 0.64 lb. This thermal magnetic breaker is CSA Certified and UL Listed, ensuring compliance with industry safety standards for use in QO load centers and NQ panelboards.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic Protection with Long Time and Instantaneous Trip Functions, Shunt Trip Breaker Type
  • Voltage Rating: 120/240V AC
  • Current Rating: 20A
  • Frame Size: 100A/QO
  • AIC Rating: 10kA @ 240V
  • Phase: 1
  • Connection: Plug-In
  • Terminal Connection: Pressure Plate
  • Wire Size: 14 AWG to 8 AWG (Copper/Aluminum)
  • MCM Size: Minimum 12 AWG (Al) / 14 AWG (Cu), Maximum 8 AWG
  • Dimensions: 3.0 in (76 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D
  • Weight: 0.64 lb
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Standards: CSA Certified, UL Listed
  • Panel Type: QO Load Centers and NQ Panelboards
  • Protection: Thermal Magnetic
  • Certification: UL Listed
  • Family: QO Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901493815
  • GTIN: 00785901493815