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Square D QO20303020 - Tandem Circuit Breaker 30A 4-Pole

Square D
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Save $-189.15
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Square D QO20303020 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 30A current rating and a 120/240V voltage rating, housed within a compact plug-in unit measuring 3.2 in (82 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D and weighing 0.67 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 across commercial and industrial applications.

Key Features & Specifications
  • Type: Tandem, Molded Case, Thermal Magnetic Protection with Long-Time and Instantaneous Trip Functions
  • Voltage Rating: 120/240V AC
  • Current Rating: 30A
  • Dimensions: 3.2 in (82 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D
  • Weight: 0.67 lb
  • Standards: CSA Certified, UL Listed
  • Applications: Commercial and Industrial Electrical Distribution
  • Poles: 4
  • Phase: 3
  • Connection: Plug-In
  • Terminal Connection: Lug
  • Frame Size: 100A/QO
  • Panel Type: QO Load Centers and NQ Panelboards
  • Wire Size: AWG 14 to AWG 8, Copper/Aluminum
  • MCM Size: Min. Wire Size 12 AWG (Al), 14 AWG (Cu); Max. Wire Size 8 AWG
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Breaker Type: Tandem
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous Trip
  • Certification: UL Listed


Product Identification
  • UPC: 785901764922
  • GTIN: 00785901764922