QGA221251 - 125 Amp Circuit Breaker

QGA221251 - 125 Amp Circuit Breaker

Looking for dependable overcurrent protection in a compact package? The Schneider Electric PowerPacT QGA221251 is a 125 amp, 2‑pole circuit breaker built for rugged performance in 240 VAC systems. Its thermal‑magnetic trip technology combines sensitive overload detection with fast‐acting short‑circuit response, delivering peace of mind for both industrial and commercial applications. With a hefty 65 kA interrupting capacity, this breaker is ready to handle high fault currents without missing a beat.

Key Features and Benefits

• 65 kAIC interrupting capacity at both 208Y/120 VAC and 240 VAC — capable of handling demanding fault-current situations with ease.
• Thermal-magnetic trip unit automatically reacts to prolonged overloads and sudden high-current spikes.
• Push-to-trip button enables safe, manual testing right on the breaker—no need to power down your panel.
• I‑Line compatibility simplifies retrofit and panel service with easy line-side termination and load-side lug options.
• Compact Q-frame design maximizes space efficiency while providing industrial-grade protection.

Technical Specifications

• Frame Type: Q-Frame
  
• Amperage Rating: 125 A
  
• Voltage Rating: 240 VAC
  
• Interrupting Rating: 65 kAIC @ 208Y/120 VAC & 240 VAC
  
• Poles: 2
  
• Trip Technology: Thermal-magnetic
  
• Continuous Current Rating: 80%
  
• Mounting Type: I-Line bracket
  
• Wire Size Capacity: AWG 4–300 kcmil (Al/Cu)
  
• Dimensions:
  • Height: 6.47 inches
  • Width: 3 inches
  • Depth: 3.93 inches
• Weight: 4.83 lbs
  
• Operation Temp Range: –40 to +70 °C (–40 to 158 °F)
  
• Phase Connection: A-B
  

Material Compliance and Certifications

• UL, CSA, NOM & NEMA certified—meets international safety and performance benchmarks.
• Schneider Green Premium designation aligns with sustainability goals.
• RoHS & REACH compliant, fully documented with any necessary exemptions.
• China RoHS declaration available; not automatically out-of-scope.
• California Proposition 65 warning included for DINP and DIDP—user safety transparency.

Where It Works Best

• Perfectly suited for commercial buildings, distribution panels, light industrial sites, and critical power systems. It’s an excellent fit when you need high fault protection, reliable switching, and compliance with global standards—all while keeping your panel footprint efficient.