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Square D QO120PL - 1-Pole 20A Thermal Magnetic Breaker

Square D
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The Square D QO120PL is a single-pole molded case circuit breaker from the QO Series by Schneider Electric, designed to provide overcurrent protection for residential and commercial branch circuits. It is rated for 240V AC at 20A with a 10kA interrupting capacity at 240V, utilizing a thermal-magnetic trip mechanism for long-time and instantaneous fault response. The breaker measures 4.6 inches in height, 0.7 inches in width, and 2.9 inches in depth, weighing 0.47 lb, and features a plug-in connection for easy installation in QO load centers. It complies with industry standards and is certified for use with copper or aluminum wire sizes from AWG 14 to AWG 2, operating within a temperature range of -13°F to 158°F (-25°C to 70°C). This breaker is typically applied in lighting, appliance, and general-purpose branch circuits in single-phase systems.

Key Features & Specifications
  • Type: QO Series Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 240V
  • Current Rating: 20A
  • Dimensions: 4.6 in (116 mm) x 0.7 in (19 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Standards: UL Listed, CSA Certified
  • Applications: Branch circuit protection for lighting, appliances, and general-purpose loads in residential and commercial panels
  • Switch Type: Toggle
  • Configuration: 1-Pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Shipping Dimensions: 4.6 in x 0.7 in x 2.9 in
  • Phase: 1
  • Voltage: 240V
  • Amperage: 20A
  • AIC rating: 10kA@240V
  • Connection: Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: QO
  • Trip Type: Thermal Magnetic
  • Panel Type: QO Load Centers
  • Breaker Type: QO
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Not applicable
  • Panel Style: QO
  • Bus Type: Plug-On
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • 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-In
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • 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: Copper/Aluminum
  • Amperage Maximum: 20A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not specified
  • Switch Style: Toggle
  • Wire Size: AWG 14 to AWG 2 (Copper/Aluminum)
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Plug-In
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single Phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: QO
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: QO
  • Current Rating: 20A
  • 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: 70 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901095705
  • GTIN: 00785901095705