Square D Q12150 150A 2P 240V Circuit Breaker, Plug-On | AmpState

Square D Q12150 150A 2P 240V Plug-On Circuit Breaker — a trusted protection solution designed for everyday electrical work in panelboards, load centers, and electrical distribution systems. This 2-pole, 150-amp, 240-volt breaker is built to keep circuits safe and downtime minimal, making it a smart choice for professionals who rely on fast, reliable part-number matches.

Why this breaker stands out

• Direct part-number match: Specifically listed as Q12150, reducing guesswork and ensuring compatibility with Square D systems in the field or in spare inventories.
• Plug-On design: Simplifies installation by snapping onto the panel bus, speeding up replacements and maintenance tasks without the need for extra accessories.
• Robust 150 A protection: Ideal for feeders and circuits that require high-current protection within 240V distribution—helping to safeguard equipment and wiring from overloads.
• Versatile in common panels: Suitable for use in a wide range of panelboards, load centers, and electrical distribution setups where a reliable, standard 2-pole breaker is needed.

Ideal for whom and practical use cases

This breaker is especially well-suited for maintenance teams, panel builders, electrical contractors, and facilities managers who value precise parts matching and quick turnarounds. Use it to:

• Replace a failed 2-pole 150A breaker in commercial or industrial panels.
• Protect 240V circuits feeding large equipment, motors, or distribution feeders.
• Stock as a dependable spare to reduce downtime when a direct replacement is required.

What problems does it solve?

By providing a plug-on, plug-and-play solution with a direct part-number match, this breaker minimizes shipment delays, misfits, and field verification time. It keeps electrical systems protected without the hassle of incompatible parts, ensuring quick resume of normal operations.

Compatibility and support

If you’re unsure about fit or need help confirming compatibility with your panel or distribution setup, AmpState is here to help. Message us and we’ll assist with fit verification and guidance on the best pairing for your project.

Key specifications at a glance

• Part Number: Q12150
• Amperage: 150 A
• Poles: 2
• Voltage: 240V
• Type: Plug-On Circuit Breaker

Choose the Square D Q12150 for reliable electrical protection with a straightforward, job-ready fit. AmpState ensures you have the right part when it matters—fast, accurate, and ready for installation.