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Square D QOB330GFI - 3-Pole GFCI Breaker 30A 120/240VAC

Square D
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Square D QOB330GFI is a three-pole molded case circuit breaker designed to provide ground fault protection and overcurrent protection for three-phase electrical systems. It features a 30A current rating and a 120/240VAC voltage rating, housed in a compact bolt-on unit measuring 105 mm x 57 mm x 74 mm (H x W x D) and weighing 1.325 lb. This breaker is UL Listed and CSA certified, offering 10kA interrupting capacity at 240V with thermal-magnetic protection and a Class A 5mA ground fault trip. It is engineered for installation in QO load centers and NQ panelboards, operating reliably in ambient temperatures from -25°C to 70°C.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Ground Fault Circuit Interrupter (Class A - 5mA), Thermal Magnetic Protection
  • Voltage Rating: 120/240VAC
  • Current Rating: 30A
  • Dimensions: 4.1 in (105 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D
  • Standards: UL Listed, CSA
  • Applications: Three-phase overcurrent and ground fault protection in QO Load Centers and NQ Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 3
  • AIC rating: 10kA @ 240V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic, Ground Fault
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: 100A/QO
  • Panel Type: QO Load Centers and NQ Panelboards
  • Breaker Type: Ground Fault Circuit Interrupter (GFCI)
  • Terminal Connection: Pressure Plate
  • Wire Size: Min. 12 AWG (Al) / 14 AWG (Cu); Max. 4 AWG (Al) / 6 AWG (Cu)
  • Certification: UL Listed
  • Family: QOB Series
  • Country of Origin: Mexico
  • Weight: 1.325 lb


Product Identification
  • UPC: 785901989226
  • GTIN: 00785901989226