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Square D QO3020 - Tandem Circuit Breaker, 30A 2-Pole (10kA AIC)

Square D
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Square D QO3020 is a tandem molded case circuit breaker designed for providing reliable overcurrent protection in 120V AC residential and light commercial electrical systems. It features a 30A current rating and a 10kA interrupting capacity at 120V, utilizing a thermal-magnetic trip mechanism for both long-time delay and instantaneous short-circuit protection. The compact plug-in unit measures 82 mm H x 19 mm W x 74 mm D and is constructed with box lug terminals compatible with 14 to 8 AWG copper or aluminum conductors. This breaker is UL Listed and CSA certified, ensuring compliance with North American safety standards for integration into compatible QO series load centers.

Key Features & Specifications
  • Type: Tandem Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 120V AC
  • Current Rating: 30A
  • Dimensions: 3.2 in H (82 mm) x 0.7 in W (19 mm) x 2.9 in D (74 mm)
  • Standards: UL Listed, CSA
  • Applications: Residential & Light Commercial Branch Circuit Protection
  • Switch Type: Thermal-Magnetic
  • Configuration: Tandem
  • Poles: 2
  • Phase: 1
  • AIC Rating: 10kA @ 120V
  • Connection: Plug-In
  • Terminal Connection: Box Lugs
  • Protection: LI (Long-Time & Instantaneous)
  • MCM Size: Min. 14 AWG, Max. 8 AWG (Cu/Al)
  • Weight: 0.34 lb
  • Certification: UL Listed, CSA
  • Family: QO Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901119517
  • GTIN: 00785901119517