QOU3100 - 100 Amp Circuit Breaker

QOU3100 - 100 Amp Circuit Breaker

When you're working with a 100-amp, three-pole circuit, you need a breaker that fits the job without making installation more complicated than necessary. The Square D QOU3100 circuit breaker delivers overcurrent protection for residential and commercial electrical systems. Rated for 240V AC with a 10kA interrupting capacity, this miniature molded case breaker is built for applications where dependable circuit protection and mounting flexibility are important.

Key Features and Benefits

• 100-Amp, Three-Pole Design: Provides overcurrent protection for compatible three-pole electrical circuits.
• 10kA Interrupting Rating: Designed to interrupt fault currents up to 10,000 amps at its specified AC voltages.
• Thermal-Magnetic Protection: Responds to circuit overloads and short circuits.
• VisiTrip Indicator: Makes it easier to identify a tripped breaker during troubleshooting.
• Flexible Mounting: Supports DIN rail, surface, or flush mounting with suitable accessories.
• Copper and Aluminum Compatibility: Slotted box lugs accommodate conductors from 12 AWG through 2/0 AWG.

Technical Specifications

• Manufacturer: Schneider Electric
  
• Brand: Square D
  
• Catalog Number: QOU3100
  
• Series: QOU
  
• Product Type: Miniature molded case circuit breaker
  
• Breaker Type: Standard
  
• Rated Current: 100 Amps
  
• Number of Poles: 3
  
• Trip Mechanism: Thermal-magnetic
  
• Trip Indicator: VisiTrip
  
• AC Voltage Ratings: 120V, 120/240V, 240V AC
  
• DC Voltage Rating: 60V DC
  
• AC Interrupting Capacity: 10kA at 120V, 120/240V, and 240V AC
  
• Mounting Type: Unit mount
  
• Mounting Options: DIN rail, surface, or flush with appropriate accessories
  
• Line and Load Connections: Slotted box lugs
  
• Conductor Range: 12 AWG to 2/0 AWG
  
• Conductor Material: Copper or aluminum
  
• Height: 4.45 inches (113.03 mm)
  
• Width: 2.25 inches (57.15 mm)
  
• Depth: 2.95 inches (74.93 mm)
  
• Terminal Torque: 45 lbf-in (5.08 N·m)
  
• HACR Rated: Yes
  
• Certifications: UL Listed, CSA, IEC
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

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

Where It Works Best

• Commercial Electrical Systems
  
• Residential Electrical Installations
  
• 100-Amp Three-Pole Circuits
  
• Compatible 240V AC Systems
  
• Electrical Control Panels
  
• Custom Electrical Enclosures
  
• DIN Rail-Mounted Equipment
  
• Surface-Mounted Installations
  
• Flush-Mounted Assemblies
  
• Heating and Air Conditioning Equipment
  
• Refrigeration Equipment
  
• Replacement of Existing QOU3100 Breakers