Square D | PHF2526-800A | Circuit Breaker | 800A | 3-Pole | 600V

The Square D PHF2526-800A Circuit Breaker is a purpose-built protection device for demanding three-phase electrical systems. With an 800A rating, a 3-pole design, and a 600V maximum operating voltage, this breaker is ready to safeguard heavy feeders and main distribution applications in industrial environments, data centers, and large commercial facilities. It’s ideal for maintenance, retrofit, and replacement projects that require exact spec alignment.

• Exact compatibility by part number: The PHF2526-800A is the definitive reference for matching your existing equipment, ensuring identical trip characteristics and a consistent mounting footprint.
• Three-pole protection for three-phase systems: Delivers balanced, reliable shutdown across all phases, helping prevent imbalances and minimizing downtime during faults.
• 800A continuous current capability: Supports high-demand feeders and main circuits without nuisance trips when loads remain within specification.
• 600V rated operation: Suitable for typical industrial distribution panels and equipment rated up to 600V, aligning with common commercial and manufacturing setups.
• Maintenance, retrofit, and replacement: A dependable choice for upgrading legacy installations or refreshing aging protection devices while preserving system behavior.

Practical use cases

• Upgrading a main distribution panel in an industrial plant that requires robust 800A three-phase protection.
• Replacing a worn or obsolete breaker in a legacy Square D installation, ensuring identical electrical characteristics and mounting compatibility.
• Continuing a retrofit project where precise part-number matching minimizes panel modifications and wiring changes.

How to ensure a correct fit

Before placing an order, verify that the PHF2526-800A matches your panel’s ratings, footprint, and trip characteristics. The part number is the most reliable reference for compatibility, and it helps ensure safe, predictable operation without surprises after installation.

In short, when you need a genuine Square D 800A, 3-pole, 600V circuit breaker that aligns with existing equipment while delivering dependable protection, the PHF2526-800A stands out as a precise, manufacturer-verified choice for maintenance, retrofit, and replacement projects.