QO370 - 70 Amp Circuit Breaker

QO370 - 70 Amp Circuit Breaker

When your electrical system calls for dependable circuit protection, the Schneider Electric QO370 70 Amp 3 Pole Plug-On Circuit Breaker is built to get the job done. Designed for use in compatible QO load centers and panelboards, this 3-pole breaker helps protect electrical circuits from overloads and short circuits while delivering the consistent performance that electricians, contractors, and maintenance professionals expect. Its plug-on design makes installation fast and straightforward, helping reduce installation time during new projects, panel upgrades, or routine maintenance. Rated for 70 Amps with a 10 kA interrupting capacity at 240 VAC, the QO370 is an excellent choice for protecting three-phase circuits in residential, commercial, and light industrial applications. Whether you're replacing an existing breaker or completing a new installation, this breaker offers the reliability and peace of mind that come with the trusted QO product family.

Key Features and Benefits

• 70 Amp Rating: 70 Amp rating provides dependable protection for higher-capacity branch circuits.
• 3-Pole Design: A 3-pole design is ideal for three-phase electrical systems.
• Plug-On Installation: Plug-on installation allows for quick, secure mounting in compatible QO load centers and panelboards.
• 10kA Interrupting Rating: 10kA interrupting rating at 240VAC helps protect electrical equipment during fault conditions.
• Overload and Short Circuit Protection: Designed to help reduce the risk of damage caused by overloads and short circuits.
• Compact Design: Compact design makes efficient use of available panel space.
• Long-Lasting Performance: Built for long-lasting performance in demanding electrical environments.
  

Technical Specifications

• Part Number: QO370
  
• Product Type: Plug-On Circuit Breaker
  
• Series: QO
  
• Poles: 3
  
• Amperage: 70 Amps
  
• Voltage Rating: 240VAC
  
• Interrupting Capacity: 10kA @ 240VAC
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 2.25 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Industry Standards: Manufactured to meet applicable industry standards for molded case circuit breakers.
• Compatibility: Designed for use in compatible Schneider Electric QO load centers and panelboards.
• Installation Requirements: Installation should always comply with applicable national, state, and local electrical codes.
  

Where It Works Best

• The Schneider Electric QO370 is a great fit anywhere reliable three-phase circuit protection is needed. It's commonly used in:
  • Commercial buildings
  • Residential three-phase electrical systems
  • Light industrial facilities
  • Electrical panel upgrades
  • Maintenance and replacement projects
  • Branch circuit protection for compatible QO panels
  Whether you're replacing a worn breaker or expanding an existing electrical system, the QO370 delivers the dependable protection needed to keep your electrical distribution system operating safely and efficiently.