QOB3100 - 100A Circuit Breaker

QOB3100 - 100A Circuit Breaker

The QOB3100 is a 3-pole, 100-amp bolt-on circuit breaker designed to provide dependable overcurrent and short-circuit protection for your commercial, industrial, and institutional electrical distribution systems. Built for use in compatible QOB panelboards and load centers, this breaker features a secure bolt-on mounting design that helps you to maintain a reliable electrical connection in applications where vibration resistance and long-term stability are important. With a 10kA interrupting rating at 240VAC, the QOB3100 is well-suited for protecting branch circuits serving heavy-duty equipment, HVAC systems, motors, distribution panels, and other high-current loads. Its compact footprint also makes it easier to integrate into existing electrical assemblies while delivering the performance professionals expect from a Type QOB circuit breaker.

Key Features and Benefits

• 100 Amp continuous current rating for higher-capacity branch circuit protection.
• The three-pole design provides simultaneous protection and disconnect for three-phase electrical systems.
• Bolt-on mounting helps create a secure, stable connection that is ideal for commercial and industrial panelboards.
• 10 kA interrupting capacity at 240 VAC offers dependable protection against fault currents.
• Compact dimensions simplify installation in compatible electrical equipment.
• Designed to help safeguard electrical systems by interrupting overloads and short circuits before equipment damage can occur.
• Suitable for a wide range of power distribution and equipment protection applications.
  

Technical Specifications

• Part Number: QOB3100
  
• Type: QOB
  
• Mounting Style: Bolt-On
  
• Poles: 3
  
• Amperage: 100 Amps
  
• Interrupting Rating: 10kA
  
• Voltage Rating: 240VAC
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 2.25 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Industry Standards: The QOB3100 is manufactured to meet applicable industry standards for molded case circuit breakers used in low-voltage electrical distribution systems.
• Installation Requirements: Always verify compatibility with your specific panelboard or load center and ensure installation complies with all applicable local electrical codes and the National Electrical Code (NEC). A qualified electrical professional should perform the installation.
  

Where It Works Best

• The QOB3100 is an excellent choice for a variety of commercial and industrial power distribution applications, including:
• Three-phase branch circuits
• Commercial buildings and office facilities
• Industrial manufacturing equipment
• HVAC and refrigeration systems
• Motor control applications
• Electrical distribution panels and panelboards
• Institutional and municipal electrical systems

Whether protecting large electrical loads or supporting reliable power distribution in demanding environments, the QOB3100 3-pole 100-amp bolt-on circuit breaker delivers the dependable circuit protection and secure installation needed to help keep electrical systems operating safely and efficiently.