QO2701021 - 70 Amp Circuit Breaker

QO2701021 - 70 Amp Circuit Breaker

The QO2701021 is a 2-pole, 70-amp Type QO plug-on circuit breaker featuring an integrated 120VAC shunt trip device, making it an excellent choice for applications requiring both dependable overcurrent protection and remote tripping capability. Designed for use in 120/240VAC electrical distribution systems, this breaker delivers a 10kA interrupting capacity (AIC) to help protect electrical equipment and branch circuits from overloads and short circuits. The built-in shunt trip mechanism allows the breaker to be opened remotely when connected to an external control signal, making it well-suited for emergency shutdown systems, fire alarm interfaces, safety interlocks, and other automated protection applications. Its plug-on design helps simplify installation in compatible load centers and panelboards while maintaining the reliable performance expected from the Type QO product family. Whether you're maintaining an existing electrical system, replacing a damaged breaker, or completing a commercial or industrial project, the QO2701021 provides the performance, safety, and functionality professionals depend on.

Key Features and Benefits

• 70 Amp Current Rating: 70 Amp current rating for higher-capacity branch circuit protection.
• 2-Pole Configuration: 2-pole configuration for 120/240VAC electrical systems.
• Integrated 120VAC Shunt Trip Device: Integrated 120VAC shunt trip device enables remote breaker operation for emergency shutdown and control applications.
• 10kA AIC Rating: 10kA AIC rating helps protect electrical systems from fault currents.
• Plug-On Mounting Design: Plug-on mounting design allows for straightforward installation in compatible equipment.
• Overcurrent Protection: Helps safeguard electrical circuits from overloads and short circuits.
• Versatile Applications: Suitable for maintenance, replacement, and new electrical installations where remote tripping is required.
  

Technical Specifications

• Part Number: QO2701021
  
• Type: QO
  
• Breaker Style: Plug-On Circuit Breaker with 120VAC Shunt Trip Device
  
• Poles: 2
  
• Amperage: 70 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Capacity (A.I.C.): 10kA @ 120/240VAC
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 2.25 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Compatible Equipment: Manufactured for use in compatible Type QO electrical distribution equipment.
• Industry Standards: Built to meet applicable industry manufacturing and performance standards for molded case circuit breakers.
• Installation Requirements: Verify compatibility with your specific panelboard, load center, and application requirements before installation.
• Electrical Codes: Installation should be performed in accordance with all applicable national, state, and local electrical codes.
  

Where It Works Best

• The QO2701021 is well-suited for commercial, industrial, and residential electrical systems that require both reliable circuit protection and remote breaker-tripping capability. It is commonly used in emergency power shutdown systems, fire alarm interfaces, machinery safety controls, industrial control panels, and building automation applications where an external signal must trip the breaker quickly and safely. It also serves as an effective replacement breaker for compatible Type QO load centers and panelboards requiring a 2-pole, 70-amp breaker with an integrated 120VAC shunt trip.