QO3100-1021 - 100A Circuit Breaker

QO3100-1021 - 100A  Circuit Breaker

The QO3100-1021 is a 100 Amp, 3-pole Type QO plug-on circuit breaker designed to provide dependable overcurrent protection for compatible load centers and panelboards. Equipped with an integrated 120VAC shunt trip device, this breaker allows for remote tripping when connected to an external control circuit, making it a practical choice for applications where emergency shutdown or automated disconnection is required. Its plug-on design helps simplify installation and maintenance while delivering reliable circuit protection with a 10kA interrupting rating at 240VAC. Whether you're replacing an existing breaker or maintaining commercial or industrial electrical equipment, the QO3100-1021 offers the performance and functionality needed for demanding electrical systems when installed in compatible equipment.

Key Features and Benefits

• 100 Amp current rating for higher-capacity branch circuit protection.
• Three-pole configuration for protecting three-phase electrical circuits.
• Type QO design for compatibility with designated QO load centers and panelboards.
• Integrated 120VAC shunt trip device enables remote electrical tripping for enhanced system control and emergency shutdown applications.
• Plug-on installation allows for straightforward installation in compatible panels.
• 10kA interrupting capacity at 240VAC helps safely interrupt fault currents within its rated capacity.
• Suitable for maintenance, replacement, and system upgrades where a matching Type QO breaker is specified.
  

Technical Specifications

• Part Number: QO3100-1021
  
• Type: QO
  
• Circuit Breaker Style: Plug-On
  
• Poles: 3
  
• Amperage: 100 Amps
  
• Voltage Rating: 240VAC
  
• Interrupting Rating (A.I.C.): 10kA @ 240VAC
  
• Shunt Trip: Integrated 120VAC Shunt Trip Device
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 3.0 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Manufactured for use in compatible Type QO electrical distribution systems.
• Designed to meet applicable product standards for its class when installed and used according to manufacturer specifications.
• Verify compatibility with your panelboard, load center, voltage requirements, and local electrical codes before installation.
  

Where It Works Best

• The QO3100-1021 is well suited for commercial, industrial, and institutional electrical systems that require both dependable circuit protection and the convenience of remote tripping through a 120VAC shunt trip circuit. Common applications include emergency power disconnect systems, building safety controls, automated equipment shutdown circuits, and facilities where electrical circuits must be disconnected remotely in response to alarms, control systems, or other safety devices. It is an excellent replacement option when maintaining compatible Type QO electrical distribution equipment and restoring reliable operation to existing installations.