Square D PJA36080U31AYP Circuit Breaker, 800A, 3-Pole, 600V

The Square D PJA36080U31AYP is a rugged, industrial-grade circuit breaker engineered to protect large electrical systems where reliability matters. With an 800 A amperage rating, a 3-pole configuration for three-phase protection, and a 600 V maximum system voltage, this unit is built for demanding industrial service, maintenance, and replacement projects. Use the part number PJA36080U31AYP to confirm exact compatibility for your application and enclosure setup.

• Amperage: 800 A
• Poles: 3 (three-pole) for robust three-phase protection
• Voltage rating: 600 V
• Part Number: PJA36080U31AYP
• Product Type: Circuit Breaker

Why this model stands out in demanding environments

• Part-number specific fit: Verifying compatibility is straightforward—use PJA36080U31AYP to match your enclosure and system requirements, reducing guesswork during procurement.
• Industry-ready reliability: Designed to safeguard large feeders and machinery in industrial settings, helping to minimize unplanned downtime and protect critical loads.
• Three-phase protection: The 3-pole design provides balanced protection for multi-motor or three-phase circuits, ensuring consistent performance across your plant floor.

Ideal use cases

This breaker is well-suited for plant floors, manufacturing lines, and facilities with heavy motor loads or large feeders operating at up to 600 V. It’s a practical replacement option for aging or non-compliant breakers in three-phase distributions, as well as a dependable choice for routine maintenance projects where a precise part match is essential.

Practical guidance for installation and compatibility

Before installation, confirm that the part number aligns with your application requirements and enclosure type. If you’re uncertain about fit, you can reach out for expert assistance to verify compatibility and avoid mismatches during replacement or service projects.

How this breaker solves real-world problems

In environments where uptime and protection of large equipment matter, the Square D PJA36080U31AYP provides a clear, compatible solution for three-phase circuits up to 600 V with ample amperage handling. It streamlines procurement through a specific part number, supports reliable protection for critical loads, and supports maintenance workflows by offering a straightforward path to compatibility confirmation.

If you need help confirming whether this exact part fits your system, message us and we’ll help verify compatibility and guide you to a seamless installation.