QOU330 - 30 Amp Circuit Breaker

QOU330 - 30 Amp Circuit Breaker

Need a dependable 30-amp circuit breaker for an electrical setup that doesn't use standard plug-on breakers? The Square D QOU330 30 Amp, 3-pole circuit breaker is worth a closer look. Made by Schneider Electric, this QOU series miniature molded case circuit breaker provides overcurrent protection for compatible residential and commercial electrical equipment. With three poles, a 30-amp rating, and a 10kA interrupting capacity at its specified AC voltages, it's designed for applications where electrical ratings and mounting flexibility both matter.

Key Features and Benefits

• 30-Amp, Three-Pole Protection: Designed for compatible electrical circuits and equipment requiring a 30A, three-pole circuit breaker.
• 10kA AC Interrupting Capacity: Rated to interrupt fault currents up to 10,000 amps at 120V, 120/240V, and 240V AC.
• VisiTrip Indicator: Makes a tripped breaker easier to identify, helping simplify troubleshooting and maintenance.
• Flexible Mounting Options: Supports DIN rail, surface, and flush mounting when used with the appropriate mounting feet or accessories.
• Copper and Aluminum Compatibility: Slotted box lugs on both the line and load sides accommodate 14 AWG to 2 AWG copper or aluminum conductors.
• AC and DC Voltage Ratings: Rated for 120V, 120/240V, and 240V AC operation, as well as 48V DC, for applications that meet the specified electrical requirements.

Technical Specifications

• Manufacturer: Schneider Electric
  
• Brand: Square D
  
• Catalog Number: QOU330
  
• Product Series: QOU
  
• Product Type: Miniature molded case circuit breaker
  
• Circuit Breaker Type: Standard
  
• Rated Current: 30 Amps
  
• Number of Poles: 3
  
• Rated AC Voltage: 120V AC, 120/240V AC, 240V AC
  
• Rated DC Voltage: 48V DC
  
• AC Interrupting Rating: 10kA at 120V AC, 120/240V AC, and 240V AC
  
• Trip Indicator: VisiTrip
  
• Mounting Type: Unit mount
  
• Mounting Options: DIN rail, surface, or flush mounting with appropriate accessories
  
• Line Connections: Slotted box lugs
  
• Load Connections: Slotted box lugs
  
• Compatible Conductors: Copper and aluminum
  
• Wire Size Range: 14 AWG to 2 AWG
  
• Terminal Tightening Torque: 45 lbf-in (5.08 N·m) for 14 AWG to 2 AWG conductors
  
• Height: 4.05 inches (102.87 mm)
  
• Width: 2.25 inches (57.15 mm)
  
• Depth: 2.95 inches (74.93 mm)
  
• HACR Rated: Yes
  
• Product Certifications: UL Listed, CSA, IEC
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

The Square D QOU330 comes with manufacturer-documented certifications and electrical ratings. Schneider Electric identifies UL and CSA verification of the breaker's published specifications, along with IEC certification information. The breaker is also HACR rated and designed for use with the specified copper and aluminum conductors.

• UL Listed
• CSA Certification
• IEC Certification
• HACR Rated
• Copper and Aluminum Conductor Compatibility

Where It Works Best

• Residential Electrical Equipment
  
• Commercial Electrical Installations
  
• 30-Amp Three-Pole Circuits
  
• Compatible 240V AC Electrical Systems
  
• Electrical Control Panels
  
• Custom Electrical Enclosures
  
• DIN Rail-Mounted Assemblies
  
• Surface-Mounted Electrical Assemblies
  
• Flush-Mounted Electrical Assemblies
  
• Heating Equipment
  
• Air Conditioning and Refrigeration Equipment
  
• Existing Square D QOU330 Replacements