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Square D QO120GFX10 - GFCI Breaker 20A 1-Pole (10 kAIC)

United Fuses
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Square D QO120GFX10 is a 1-pole, 20-amp ground fault circuit interrupter (GFCI) breaker designed for personnel protection against electrical shock in residential and commercial branch circuits. It operates at 120/240 VAC, 60 Hz, with a 10 kAIC interrupting rating, and features a plug-on connection for QO load centers. The breaker weighs 5.19 lb and is constructed with a compact, thermal-magnetic trip mechanism for reliable overcurrent and ground fault detection. It complies with UL 943 and UL 489 standards, ensuring safe operation in wet or damp locations. Typical applications include protection for bathrooms, kitchens, outdoor receptacles, and other areas requiring GFCI protection per the National Electrical Code.

Key Features & Specifications
  • Type: QO GFCI circuit breaker, 1-pole, thermal-magnetic trip, plug-on
  • Voltage Rating: 120/240 VAC
  • Current Rating: 20 A
  • Dimensions: Standard QO breaker footprint
  • Standards: UL 943, UL 489
  • Applications: Branch circuit GFCI protection for wet/damp locations
  • Switch Type: Toggle
  • Configuration: 1-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Standard breaker packaging
  • Phase: 1
  • Voltage: 120/240 VAC
  • Amperage: 20 A
  • AIC rating: 10 kAIC
  • Connection: Plug-on
  • Poles: 1
  • Protection: Ground fault and overcurrent
  • Functions: GFCI, overload, short circuit
  • Frame Size: QO
  • Trip Type: Thermal-magnetic
  • Panel Type: QO load centers
  • Breaker Type: GFCI
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Not applicable
  • Panel Style: QO
  • Bus Type: QO
  • Fuse Class: Not applicable
  • Insulation Temperature: 60/75°C
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Plug-on
  • Hz: 60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not applicable
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: Not applicable
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not applicable
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Not applicable
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 20 A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: #14-8 AWG
  • Certification: UL listed
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Screw
  • Frequency Rating: 60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 943, UL 489
  • Compatible Frames: QO
  • Installation Type: Panel mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: QO
  • Current Rating: 20 A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901892482
  • GTIN: 00785901892482