Square D | PHF1226-900A | Circuit Breaker | 900A | 2-Pole | 600V

When your panel calls for serious current protection, the Square D PHF1226-900A circuit breaker stands up to the challenge. This 900A, 2-pole, 600V device is built for reliability in maintenance, retrofit, and replacement projects where exact specifications matter and compatibility is non‑negotiable.

• Amperage: 900A
• Poles: 2-Pole
• Voltage: 600V

Why choose the PHF1226-900A for your project

This breaker isn’t a generic drop-in—the part number itself is the best reference for ensuring a proper match with Square D panels and PHF-series configurations. By using the PHF1226-900A, you simplify retrofits and replacements, reducing the guesswork that can lead to fitment issues or mismatched ratings.

Ideal use cases

• Maintenance: replace aging or failing breakers in existing Square D installations without altering panel design.
• Retrofit: upgrade or modify panels that require a 900A, 2-pole, 600V protection device with an exact-fit part.
• Replacement: swap in the exact PHF1226-900A to preserve electrical characteristics and panel compatibility.

What to keep in mind when ordering

Notes: Confirm fit and ratings before ordering. The part number PHF1226-900A is your best reference to ensure compatibility across Square D PHF-family panels and assemblies.

If you’re building or renewing a high-current distribution path, the Square D PHF1226-900A provides a reliable, purpose-built solution that aligns with your panel’s design intent. It’s a precise, purpose-driven choice for professionals who value correct specifications, straightforward sourcing, and long-term performance in 600V systems.