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Square D QOU2301042 - Molded Case Circuit Breaker 30A 240V

Square D
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The Square D QOU2301042 is a molded case circuit breaker designed for overcurrent protection in branch circuits, utilizing a thermal-magnetic trip mechanism to safeguard against both sustained overloads and short circuits. This 2-pole unit is rated for 30A at 240V AC with a 10kA interrupting capacity, supporting wire sizes from AWG 14 to AWG 2 for both aluminum and copper conductors. The bolt-on connection ensures secure installation within compatible load centers, and the device measures 4.05 inches in height, 2.25 inches in width, and 2.95 inches in depth, weighing 1.06 pounds. It is manufactured in Mexico by Schneider Electric as part of the QOU Series, offering LI (Long-Time and Instantaneous) protection functions for single-phase applications. This breaker is commonly used in commercial and industrial electrical distribution panels requiring reliable overcurrent protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, Bolt-On
  • Voltage Rating: 240V AC
  • Current Rating: 30A
  • 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: UL Listed, CSA Certified
  • Applications: Branch circuit protection in commercial and industrial load centers
  • Switch Type: Toggle
  • Configuration: 2-Pole, 1-Phase
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 4.05 in x 2.25 in x 2.95 in
  • Phase: 1
  • Voltage: 240V
  • Amperage: 30A
  • AIC rating: 10kA@240V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: QOU
  • Trip Type: Thermal Magnetic
  • Panel Type: QO Load Centers
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Copper and aluminum compatible
  • Panel Style: QO
  • Bus Type: Bolt-On
  • 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: Bolt-On
  • Hz: 50/60 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: AWG 14...AWG 2 aluminium/copper
  • Amperage Maximum: 30A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: AWG 14...AWG 2 aluminium/copper
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 1-Phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: QO Load Centers
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: QOU
  • Current Rating: 30A
  • 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: 78590158603
  • GTIN: 00785901586036