Square D | PHF1226 | Circuit Breaker | 1000A | 2-Pole | 600V

When your electrical system demands reliable, high-capacity protection, the Square D PHF1226 circuit breaker delivers. This 2-pole, 600V device is rated for 1000A, making it ideal for heavy-duty feeders, essential loads, and critical equipment where uninterrupted operation matters.

The PHF1226 is purpose-built for maintenance, retrofit, and replacement projects where exact specs matter. Rely on the part number as your compatibility anchor—the PHF1226 is the most accurate reference to ensure a precise fit in your Square D panels and equipment.

• Amperage: 1000A — high-capacity protection for demanding circuits.
• Poles: 2-Pole — ensures simultaneous disconnection of both conductors for enhanced safety in 600V systems.
• Voltage rating: 600V — suitable for a wide range of industrial and commercial applications.
• Compatibility cue: Part number PHF1226 serves as the primary reference for replacement and retrofit compatibility.
• Application fit: Ideal for maintenance, retrofit, and replacement scenarios where matching specifications are required.

Where this breaker shines

For maintenance and retrofits in industrial control panels, this PHF1226 provides a dependable, high-current solution that minimizes downtime. It’s well suited for heavy feeders in manufacturing lines, large HVAC installations, and distribution panels where a robust two-pole, 600V protection device is essential.

Why choose the PHF1226 in your upgrade or replacement project

• Accurate spec alignment reduces installation risk by ensuring you’re selecting the exact PHF family reference for your panel.
• The 2-pole design simplifies wiring coordination and improves safety when switching off power in 600V systems.
• High amperage capability (1000A) supports demanding loads without compromising protection reliability.

Practical guidance for ordering and installation

Before you place an order, verify fit and ratings against your panel labeling and service needs. Keep the PHF1226 as your primary compatibility reference, and plan for replacement during routine maintenance cycles to minimize unexpected outages. For installation, rely on a qualified electrical professional to ensure proper termination, secure mounting, and adherence to electrical codes.