Eaton E2K3400TMN Circuit Breaker, 400A

The Eaton E2K3400TMN 400A Circuit Breaker is built for industrial environments where dependable overcurrent protection matters most. Designed for service, maintenance, and replacement projects, this breaker helps you safeguard high-demand electrical systems with confidence. Use the exact part number, E2K3400TMN, to confirm compatibility with your panel and application requirements—a simple step that saves time and installation headaches.

Why engineers and technicians choose the Eaton E2K3400TMN

• 400 A protection for heavy loads – A robust rating that supports large-scale industrial circuits, minimizing nuisance trips and protecting equipment.
• Clear compatibility through the part number – Verify fit quickly by cross-checking the E2K3400TMN part number against your panel documentation and electrical plan.
• Reliable industrial performance – Built by Eaton, a trusted name in electrical protection with a history of durability in demanding service environments.
• Versatile for multiple project needs – Ideal for new installations, panel upgrades, or replacing aging breakers in industrial facilities, manufacturing lines, and maintenance fleets.

Practical use cases

• Upgrading a facility’s main service to accommodate higher electrical demand without sacrificing protection.
• Replacing worn or obsolete breakers in aging switchgear to restore reliable branch circuit protection.
• Plant maintenance projects where continuity of power and safety are non-negotiable during downtime windows.
• Panel modernization initiatives that require standardized, readily available Eaton components.

Specification snapshot

• Manufacturer: Eaton
• Part Number: E2K3400TMN
• Product Type: Circuit Breaker
• Amperage: 400 A
• Notes: Verify fit by part number and application requirements.

If you’re aligning a circuit protection strategy for an industrial facility, the E2K3400TMN delivers definitive performance with a focus on real-world readiness. Pair it with your specific panel configuration, confirm the application, and you’ll have a dependable, easy-to-maintain solution that keeps critical operations protected and compliant.