Eaton Circuit Breaker, 400A, 3-Pole

Eaton Circuit Breaker, 400A, 3-Pole is a rugged, industrial-grade protection device designed to safeguard demanding electrical systems. Built to integrate with the Eaton series, this breaker is the reliable choice for service, maintenance, and replacement projects where overcurrent protection matters most.

• Three-pole design provides synchronized protection across all phases, simplifying wiring and ensuring coordinated shutdown in 3-phase circuits.
• 400 A rating supports heavy-duty feeders and main service disconnects, helping minimize downtime when faults occur.
• Eaton compatibility is ensured within the Eaton family of breakers, provided the exact part number matches your panel or application requirements.
• Part-number driven fit—verify compatibility by part number and application needs. If you’re unsure, message us and we’ll help verify the correct fit for your installation.
• Ideal for industrial environments and replacement projects, delivering dependable protection during ongoing operations and planned upgrades.

Where it shines in the field:

• Main service disconnects in manufacturing facilities, distribution centers, and large commercial applications.
• Retrofits and replacements in Eaton-panel ecosystems, ensuring seamless integration with existing equipment.
• Protection for 3-phase feeders and critical equipment in process lines, warehouses, and infrastructure projects.

Why this matters for your operation:

• Smart compatibility path—aligns with your current Eaton panels when the part number matches, reducing guesswork during procurement.
• Operational reliability—stocking a compatible 400A 3-Pole breaker minimizes downtime and accelerates maintenance cycles.
• Trustworthy support—clear guidance on part-number validation and application fit ensures safety and performance.

Notes: Verify fit by part number and application requirements. Need help matching a part number or confirming compatibility? Message us and we’ll assist with a precise compatibility check.