Q1-340 - 40 Amp Circuit Breaker

Q1-340 - 40 Amp Circuit Breaker

When you need a dependable circuit breaker to preserve legacy systems, the Q1-340 40 Amp 3-Pole Circuit Breaker delivers dependable overcurrent protection without the hassle. This thermal magnetic breaker is built to respond to both slow overloads and sudden short circuits—even in demanding commercial or industrial settings. Rated at 10,000 AIC at 240 VAC, the Q1-340 gives you peace of mind that your power lines are protected under harsh conditions.

Key Features and Benefits

• Dual-Action Protection: Combines thermal overload and instantaneous trip mechanisms, guarding your system against gradual overcurrent and abrupt faults.
• Space-Saving Design: The Q1 frame is slim and compact, occupying just six panel spaces—ideal when retrofitting or replacing older breakers.
• Effortless Installation: Its plug-on mount system lets you snap in the breaker quickly, cutting down maintenance time.
• Longer Life Under Stress: Built with sturdy internal components, it avoids frequent failures when working in harsh environments.
  

Technical Specifications

• Poles: 3
  
• Current (Amperage): 40 A
  
• Interrupting Capacity: 10,000 AIC @ 240 VAC
  
• Dimensions:
  • Width: 2.25″
  • Length: 6.38″
  • Depth: 2.31″
• Weight: ~3.10 lbs
  
• Frame Type: Q1 series
  
• Panel Spaces Required: 6
  

Material Compliance and Certifications

• This breaker meets applicable UL safety standards and is built with materials that align with environmental and electrical safety regulations. All components are manufactured to ensure conformity, giving you confidence in both performance and compliance.
  

Where It Works Best

• The Q1-340 is specially suited for maintenance and upgrades in commercial or industrial electrical panels—especially where older or legacy configurations remain in use. It's a strong choice for electricians and maintenance teams tasked with restoring or sustaining electrical reliability in plants, workshops, or larger facilities.