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Square D QO250GFI - GFCI Circuit Breaker 50A 2-Pole

Square D
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Square D QO250GFI is a molded case circuit breaker designed for providing Class A ground fault protection in residential and light commercial electrical systems. It operates on a 120/240V AC single-phase system with a 50A current rating, featuring a compact plug-in design measuring 105 mm H x 38 mm W x 74 mm D and a thermal-magnetic trip mechanism for both overload and instantaneous short-circuit protection. This breaker is constructed for compatibility with QO load centers and NQ panelboards, is CSA and UL Listed, and operates reliably within a temperature range of -25 to 70 °C. Its 10 kA interrupting rating at 240V and lug terminals accommodating 12-4 AWG aluminum or 14-6 AWG copper wire make it suitable for safeguarding feeder and branch circuits.

Key Features & Specifications
  • Type: Molded Case, Ground Fault Circuit Interrupter (GFCI), Class A (5mA), Thermal-Magnetic Protection
  • Voltage Rating: 120/240V AC
  • Current Rating: 50A
  • Dimensions: 4.1 in (105 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D
  • Weight: 1.042 lb
  • Standards: CSA, UL Listed
  • Applications: Residential and Light Commercial Load Centers
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Phase: 1
  • AIC Rating: 10kA @ 240V
  • Connection: Plug-In, Lug Terminal
  • Poles: 2
  • Protection: Ground Fault, Overload, Short Circuit
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 100A/QO
  • Trip Type: Thermal-Magnetic
  • Panel Type: QO Load Centers and NQ Panelboards
  • Breaker Type: Ground Fault Circuit Interrupter (GFCI)
  • Wire Size: 12-4 AWG Aluminum, 14-6 AWG Copper
  • Certification: UL Listed
  • Terminal Connection: Lug
  • Frequency Rating: 60 Hz
  • Phase Connection: Single-Phase
  • Compatible Frames: QO Series
  • Installation Type: Plug-In Mount


Product Identification
  • UPC: 785901764861
  • GTIN: 00785901764861