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Square D QOU320VH - 3-Pole 20A 240V High Interrupting Breaker

Square D
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Square D QOU320VH is a 3-pole, bolt-on molded case circuit breaker from the QOU series, designed for overcurrent protection in air conditioning, refrigeration, and heating equipment. It is rated for 240V AC, 20A, with a high interrupting capacity of 22kA at 240V, and provides thermal-magnetic protection with LI (Long Time and Instantaneous) functions. The unit measures 4.05 in (102.87 mm) x 2.25 in (57.15 mm) x 2.95 in (74.93 mm) (H x W x D), weighs 1.11 lb, and features slotted box lug terminals (reversible line and load) accepting AWG 14 to AWG 2 aluminum/copper wire. It complies with CSA, IEC, and UL standards, operates within a temperature range of -13 to 158 °F (-25 to 70 °C), and is manufactured by Schneider Electric in Mexico.

Key Features & Specifications
  • Type: QOU Molded Case Circuit Breaker, High Interrupting Capacity
  • Voltage Rating: 240V AC
  • Current Rating: 20A
  • Dimensions: 4.05 in (102.87 mm) x 2.25 in (57.15 mm) x 2.95 in (74.93 mm) (Height x Width x Depth)
  • Standards: CSA, IEC, UL listed
  • Applications: Air Conditioning and Refrigeration Equipment, Heating
  • Switch Type: Bolt-On
  • Configuration: 3-Phase
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 240V
  • Amperage: 20A
  • AIC rating: 22kA@240V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long Time and Instantaneous
  • Frame Size: 100A/QOU
  • Trip Type: Thermal Magnetic
  • Panel Type: Air Conditioning and Refrigeration Equipment, Heating
  • Breaker Type: High Interrupting Capacity
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Min. Wire Size 14 AWG, Max. Wire Size 2 AWG
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • 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: Bolt-On
  • Hz: Not specified
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not applicable
  • Full Load Amps: Not specified
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: AWG 14 to AWG 2 aluminum/copper
  • Amperage Maximum: 20A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not specified
  • Switch Style: Bolt-On
  • Wire Size: AWG 14 to AWG 2
  • Certification: IEC, UL listed
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Slotted Box Lug (Reversible Line and Load)
  • Frequency Rating: Not specified
  • Phase Connection: 3-Phase
  • Standards: CSA, IEC, UL listed
  • Compatible Frames: QOU Series
  • Installation Type: Bolt-On
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 100A/QOU
  • 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: 785901560012
  • GTIN: 00785901560012