Square D QOUR120 - Molded Case 20A 120/240VAC Breaker
Square D QOUR120 - Molded Case 20A 120/240VAC Breaker

Square D QOUR120 - Molded Case 20A 120/240VAC Breaker

Square D
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The Square D QOUR120 is a molded case circuit breaker designed for overload and short-circuit protection in electrical distribution systems. It operates at 120/240 VAC with a 20 A current rating and a 10 kAIC interrupting capacity. This single-pole breaker features a compact 0.75-inch width and weighs 0.36 lb, with dimensions of 4.05 in x 0.75 in x 2.95 in (102.87 mm x 19.05 mm x 74.93 mm). It is UL Listed, CSA certified, and compliant with IEC standards, accepting wire sizes from AWG 14 to AWG 2 aluminum/copper. Typical applications include residential and light commercial panelboards requiring branch circuit protection.

Key Features & Specifications
  • Type: Molded Case, thermal-magnetic trip
  • Voltage Rating: 120/240 VAC
  • Current Rating: 20 A
  • Dimensions: 4.05 in (102.87 mm) x 0.75 in (19.05 mm) x 2.95 in (74.93 mm) (Height x Width x Depth)
  • Standards: IEC, CSA, UL Listed
  • Applications: Residential and light commercial panelboards
  • Switch Type: Toggle
  • Configuration: Single-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 4.05 in x 0.75 in x 2.95 in
  • Phase: Single-phase
  • Voltage: 120/240 VAC
  • Amperage: 20 A
  • AIC rating: 10 kAIC
  • Connection: Line and load terminals
  • Poles: 1
  • Protection: Overload and short-circuit
  • Functions: Branch circuit protection
  • Frame Size: QO
  • Trip Type: Thermal-magnetic
  • Panel Type: QO load centers
  • Breaker Type: QOUR
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Copper and aluminum compatible
  • Panel Style: Plug-on
  • Bus Type: Tin-plated copper
  • Fuse Class: Not applicable
  • Insulation Temperature: 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: Open style
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: AWG 14...AWG 2 aluminum/copper
  • Amperage Maximum: 20 A
  • Amperage Minimum: 20 A
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: AWG 14...AWG 2 aluminum/copper
  • Certification: IEC, CSA, UL Listed
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Screw
  • Frequency Rating: 60 Hz
  • Phase Connection: Single-phase
  • Standards: IEC, CSA, UL Listed
  • Compatible Frames: QO
  • Installation Type: Plug-on
  • 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: 785901079262
  • GTIN: 785901090410