Square D QGA32125 - 125 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

Protect your panel with precision using the Square D QGA32125—125 A, 240 V, 3‑pole plug‑in molded case circuit breaker. Built for dependable branch circuit protection in panelboards and load centers, this breaker delivers quick, reliable protection when it matters most. Available from AmpState, your trusted source for electrical protection equipment.

• Fast plug‑in installation — streamlined connections for rapid replacement and minimal service downtime.
• Thermal‑magnetic trip unit — stable thermal overload protection combined with magnetic instantaneous trip for immediate response to short circuits.
• OEM compatibility — designed to fit matching Square D panelboards and load centers for a seamless, code‑compliant install.
• Versatile, reliable protection — specifically rated for 125 A at 240 V, suitable for residential, commercial, and light industrial branch circuits.

Specifications at a glance

• Manufacturer: Square D
• Part Number: QGA32125
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage Rating: 125 A
• Voltage Rating: 240 V
• Number of Poles: 3
• Mounting Style: Plug‑in

Why this QGA32125 matters for your electrical system

When you’re configuring or upgrading a panel, you need protection that supports fast service turns and long‑term reliability. The QGA32125’s three‑pole design provides robust protection for multi‑wire or three‑phase applications, while the plug‑in form minimizes installation complexity. The thermal‑magnetic trip ensures predictable performance across varying temperatures, and magnetic instant trip delivers rapid interruption during fault conditions—reducing potential equipment damage and safety risks.

Practical use cases

• Replacing a worn or failed breaker in existing Square D panelboards where a 125 A, 240 V, 3‑pole unit is specified.
• Expanding residential or light commercial electrical systems that require reliable branch circuit protection for multiple hot conductors.
• HVAC feeders, lighting circuits, or other heavy‑duty loads that benefit from quick installation and solid protection characteristics.

Installation and care tips

Verify that your panelboard is compatible with 125 A, 240 V plug‑in breakers and that three‑pole configurations are appropriate for the intended circuit. Always power down the panel and follow local electrical codes during replacement or installation. The plug‑in design simplifies future upgrades or service, helping you minimize downtime without sacrificing safety or performance.