Eaton PDG33M0400E2NJ Circuit Breaker, 400A, 3-Pole

The Eaton PDG33M0400E2NJ is a rugged, industrial-grade circuit breaker designed to safeguard three-phase power feeds in demanding environments. With a 400 A rating and a 3-pole configuration, it delivers reliable protection for motors, conveyors, pumps, and critical feeders in manufacturing facilities, processing plants, and other heavy-use electrical systems.

Why this breaker stands out

• High-current, three-phase protection: 400 A rating and 3-pole design ensure simultaneous interruption of all three phases, helping prevent unbalanced loads and equipment damage in heavy-duty applications.
• Industry-standard compatibility: Part of Eaton’s PDG family, engineered to integrate with compatible Eaton panels, switchgear, and distribution equipment for streamlined replacements and upgrades.
• Part-number-driven accuracy: The PDG33M0400E2NJ designation provides a precise, traceable reference to fit your specific installation — reducing trial-and-error and field fit issues.
• Reliability in harsh environments: Built to perform in industrial service where durability and dependable tripping behavior are essential to protecting valuable machinery and downtime-sensitive processes.
• Flexible deployment: Ideal for maintenance projects, panel replacements, and new-installation upgrades in three-phase power systems common in manufacturing, utilities, and large commercial facilities.

Specifications at a glance

• Manufacturer: Eaton
• Product Type: Circuit Breaker
• Amperage: 400 A
• Poles: 3
• Part Number: PDG33M0400E2NJ

Compatibility and installation tips

To ensure proper fit, verify the PDG33M0400E2NJ matches your exact application requirements by cross-referencing the part number with your panel or switchgear catalog. This breaker is intended for industrial service use and should be installed by a qualified electrician in accordance with local electrical codes and safety standards. If you’re unsure about compatibility, send us your application details and we’ll help confirm fit and recommend the best Eaton solution for your system.

Ideal use cases

• Upgrading or replacing three-phase feeders in manufacturing lines, pumps, or large conveyors
• Protecting heavy-duty motors and distribution feeders in industrial facilities
• Service entrance upgrades or panel replacements that require a 400 A, 3-pole protection solution

Need help matching a part number or confirming compatibility? Message us and we’ll assist in verifying fit for your specific application.