Square D | PCP261800 | Circuit Breaker | 1800A | 2-Pole | 600V

When your industrial or commercial electrical system demands trustworthy, exact-match protection, the Square D PCP261800 circuit breaker delivers. This high-current, two-pole device is engineered for maintenance, retrofit, and replacement projects where exact specifications matter, helping you protect large feeders and critical loads with confidence.

• Amperage: 1800A
• Poles: 2-Pole
• Voltage: 600V
• Part number: PCP261800

Important compatibility notes
Always confirm fit and ratings before ordering. The PCP261800 part number is the best reference for compatibility with your Square D panel or enclosure, ensuring correct fit, electrical characteristics, and safe operation.

Ideal use cases

• Retrofit projects in 600V distribution panels where a high-current, two-pole protection device is required.
• Maintenance and replacement of worn or obsolete breakers in industrial environments, data centers, or manufacturing facilities.
• Spare parts for service fleets to minimize downtime during unexpected outages.

What makes this breaker stand out

• Exact 1800A rating provides appropriate protection for heavy-load feeders without nuisance tripping in demanding applications.
• Two-pole design ensures simultaneous disconnection of both hot lines, enhancing safety during maintenance and fault events.
• 600V rating aligns with common industrial and commercial power distribution standards, simplifying integration into existing systems.
• Part of Square D’s reliable lineup, with clear traceability to the PCP261800 reference for fast, accurate sourcing.

Practical tips for installation and maintenance

• Cross-check panel labeling and manufacturer documentation to verify that PCP261800 is the correct replacement for your current setup.
• Use the exact part number when ordering to avoid mismatches in trip curves, mounting, or bus compatibility.
• Inspect the surrounding panel and enclosure for any signs of wear or overheating before installation, and follow standard lockout/tagout procedures.
• Keep a dedicated spare on hand in a controlled environment to reduce downtime during routine maintenance or unexpected failures.

With the Square D PCP261800, you’re choosing a purpose-built solution for high-current protection that’s designed to slot into the exact places your system relies on. It’s the practical, reliable choice for maintaining continuous operation in demanding 600V applications.