QO370 - 70 Amp Circuit Breaker

QO370 - 70 Amp Circuit Breaker

The QO370 70A Circuit Breaker from the well-known QO series is a trusted choice for keeping electrical systems safe and running smoothly. Designed to handle 120/240VAC, this 3-pole breaker is commonly used in homes, commercial spaces, and even industrial setups where reliable circuit protection is a must. With its 10kA interrupting capacity, it’s built to stop dangerous overloads and short circuits before they cause costly damage to wiring or equipment.

Key Features and Benefits

• Strong Overcurrent Protection: Uses a thermal magnetic trip system that reacts quickly when current levels get too high, helping protect your system from harm.
• Easy Trip Detection: A built-in VisiTrip™ indicator makes it simple to see if the breaker has been triggered—no guesswork or unnecessary downtime.
• Versatile Use: Works for both AC and DC setups, giving you flexibility for different applications.
• Compact and Practical: Slim design makes it easy to fit into panels without taking up unnecessary space.
  

Technical Specifications

• Current Rating: 70A
  
• Voltage: 120/240V AC
  
• Interrupting Capacity: 10kA
  
• Mounting: Plug-in
  
• Poles: 3
  
• Wire Range: AWG 8–AWG 2 (copper or aluminum)
  
• Torque: 49.6 lbf.in (5.6 N.m)
  
• Size:
  • Height: 3.1 inches
  • Width: 2.2 inches
  • Depth: 2.9 inches
• Weight: 1.049 lbs
  

Material Compliance and Certifications

• UL Listed: UL File E84967
• CSA Certified: CSA Master Contract 153555
• RoHS/REACh Compliant: Reduced environmental impact
• Green Premium Label: Ensures eco-friendly standards
  

Suitability

• This breaker is a solid option for anyone needing reliable circuit protection in a variety of settings. From residential panels to busy commercial environments and demanding industrial systems, electricians and contractors count on the QO370 for its long-lasting performance, straightforward installation, and dependable safety features.