Square D PGL36080CU31A Circuit Breaker, 800A, 3-Pole

Square D PGL36080CU31A Circuit Breaker — an industrial-grade protection device designed for demanding electrical service, maintenance, and replacement projects. With an 800 A rating and a 3-pole configuration, this breaker is built to handle the demands of large, three-phase systems.

Key specifications at a glance: 800 A amperage, 3-pole design, and manufactured by Square D. The part number PGL36080CU31A is your guide to compatibility, ensuring the right fit for your application.

Why this matters in real-world use: In industrial environments, you need reliable interruption of power and assurance that protection devices will perform when it matters most. The PGL36080CU31A is intended for industrial service panels, maintenance work, and replacement projects where durability and precise protection are essential.

• Three-pole (three-phase) design: protects all hot legs in 3-phase circuits, reducing the risk of imbalanced loads.
• 800 A rating: high-capacity protection suitable for heavy-duty feeders and equipment.
• Part-number-driven compatibility: use the exact part number PGL36080CU31A to confirm fit with your system and application requirements.
• Industrial reliability: built to withstand challenging environments, contributing to longer service life and reduced downtime.
• Maintenance and replacement ready: an ideal choice for upgrading aging gear or stocking spare units for critical installations.

Practical use scenarios include upgrading service entrances, replacing worn breakers in large panelboards, and supporting ongoing maintenance programs in manufacturing facilities and other industrial settings. If you’re unsure about compatibility, remember the notes: verify fit by part number and application requirements. Need help matching a part number or confirming compatibility? Message us and we’ll help guide you to the right match.