Square D PJA36080CU44AE1YP Circuit Breaker, 800A, 3-Pole, 600V

The Square D PJA36080CU44AE1YP circuit breaker is engineered for demanding industrial electrical service, maintenance, and replacement projects. With an 800 A rating, 3 poles, and a 600 V operating range, this unit provides robust protection for large, three-phase electrical systems while helping keep your equipment and personnel safe.

• Amperage: 800 A
• Poles: 3
• Voltage rating: 600V
• Part number: PJA36080CU44AE1YP

Designed to integrate with industrial power distribution, this breaker sits at the heart of your protection strategy—locking out faults before they cascade into expensive downtime. It’s a reliable choice for service entrances, large feeders, and replacement scenarios where high-current three-phase protection is required.

Key advantages in real-world use

• Supports high-demand equipment and manufacturing lines without compromising safety or uptime.
• Three-pole configuration ensures coordinated shutdown across all phases, preventing imbalanced faults.
• 600 V rating aligns with common industrial power distributions, offering broad compatibility in heavy-duty installations.
• Part of Square D’s trusted lineup, designed for consistency and dependable performance in critical environments.

Ideal applications

• Industrial electrical service upgrades and maintenance projects
• Replacement in large distribution panels and main feeders
• Protection for three-phase machinery, conveyors, and heavy equipment
• New installations in manufacturing facilities, warehouses, and similar facilities

Compatibility and support

To ensure a correct fit, verify compatibility by the part number and your specific application requirements. If you’re unsure about matching this component to your system, we’re happy to help—send a message and our team will assist with compatibility checks and guidance.

Choose the Square D PJA36080CU44AE1YP for reliable, high-current protection that keeps your industrial operations running smoothly.