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Square D QOB120CAFI - AFCI Breaker 20A 1-Pole (10kA AIC)

Square D
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Square D QOB120CAFI is a molded case circuit breaker designed for providing both overcurrent and arc fault protection in residential and light commercial electrical systems. It operates at a voltage rating of 120/240VAC with a 20A current rating and features a compact, bolt-on design with dimensions of 121 mm H x 19 mm W x 74 mm D (4.8 in x 0.7 in x 2.9 in). The breaker is constructed with a thermal magnetic trip unit for long-time and instantaneous (LI) protection and is certified to CSA and UL standards. It is typically applied in QO load centers and NQ panelboards for branch circuit safety.

Key Features & Specifications
  • Type: Molded Case, Arc Fault Circuit Interrupter (AFCI), Thermal Magnetic Protection
  • Voltage Rating: 120/240VAC
  • Current Rating: 20A
  • Frame Size: 100A/QO
  • AIC Rating: 10kA @ 120V
  • Poles: 1
  • Phase: 1
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Wire Size: Copper: 14 AWG to 8 AWG; Aluminum: 12 AWG to 8 AWG
  • Dimensions: 121 mm H x 19 mm W x 74 mm D (4.8 in x 0.7 in x 2.9 in)
  • Weight: 0.56 lb
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Standards: CSA, UL Listed
  • Panel Type: QO Load Centers and NQ Panelboards
  • Functions: LI - Long-Time and Instantaneous Trip
  • Certification: UL Listed
  • Family: QOB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901530602
  • GTIN: 00785901530602