Square D PGA36080CU31A Circuit Breaker, 800A, 3-Pole, 600V

The Square D PGA36080CU31A Circuit Breaker delivers rugged, reliable protection for demanding industrial environments. With an 800 A rating at 600 V and a 3-pole design, it provides coordinated, high-current interruption across all three phases, making it a smart choice for heavy-duty power distribution, motor feeders, and critical process circuits.

Key features that matter in the field

• High-current capacity: 800 amperes, designed to handle large, multi‑phase loads common in manufacturing, processing, and industrial facilities.
• Three-pole protection: Simultaneous tripping across all phases minimizes fault energy and protects equipment from uneven fault conditions.
• 600 V suitability: Built to operate within typical industrial distribution systems that run at higher voltages, helping safeguard downstream components.
• Brand confidence: Part of Square D’s established protection lineage, known for dependable performance in challenging applications.
• Compatibility at a glance: Use the exact part number PGA36080CU31A to confirm fit for your panel, switchgear, or replacement project.

Where and how you’ll use it

This breaker is well-suited for industrial electrical service, maintenance, and replacement projects where large 3‑phase loads must be reliably protected. Ideal scenarios include feeding heavy machinery on a production line, protecting large motor circuits, or upgrading power distribution in a manufacturing or processing facility. If you’re modernizing an existing setup, this unit provides a straightforward path to maintain system protection while meeting evolving load demands.

Why this model stands out

• Direct fit for compatible gear: Designed to align with Square D’s 3‑pole, high‑amp infrastructure, reducing compatibility guesswork when upgrading or replacing older breakers.
• Clear compatibility guidance: The part number PGA36080CU31A is your quickest route to verify that this breaker will integrate with your application. If you’re unsure, you can reach out—we’ll help confirm compatibility based on your requirements.
• Practical, real-world value: Beyond specs, this breaker supports safer shutdowns, protects valuable equipment, and helps minimize unplanned downtime in mission-critical operations.

Practical considerations and tips

Before installation, confirm that the panel or switchgear accepts the PGA36080CU31A by checking the part number against your equipment specifications. Follow your organization’s safety procedures and the manufacturer’s installation guidelines to ensure proper torque, alignment, and electrical clearance. For replacements, keep a note of the application requirements—including voltage, phase, and current ratings—to ensure seamless compatibility with your existing distribution system.

If you need help matching a part number or confirming compatibility, send us a message and we’ll assist in verifying that PGA36080CU31A is the right fit for your application.