Eaton T400DA2 Circuit Breaker, 400A

The Eaton T400DA2 is a purpose-built circuit breaker designed for demanding industrial electrical service, maintenance, and replacement projects. With a robust 400 A rating, this Eaton unit delivers dependable protection for high-current feeders and critical equipment, helping facilities stay online when it matters most.

Why choose the Eaton T400DA2? Built for industrial environments, it offers durable construction and reliable overcurrent protection that technicians trust for ongoing operations and scheduled outages alike. This isn’t a generic breaker—it’s engineered to perform in the exacting conditions of industrial power systems, where consistent response to faults is essential for uptime and safety.

• Part Number: T400DA2 — verify fit by part number and application requirements to ensure compatibility with your panel, enclosure, and system design.
• Industrial-grade protection for high-current circuits up to 400 A
• Rugged Eaton engineering crafted for longevity and dependable operation in demanding environments
• Ideal for replacement in existing Eaton installations, maintenance outages, and new builds requiring heavy-duty overcurrent protection

Typical use cases include upgrading feeders in manufacturing lines, safeguarding large-motor circuits, and substituting aging breakers during facility maintenance. When planning a swap, confirm compatibility by comparing the exact part number (T400DA2) with your equipment specifications and the relevant panel or switchgear requirements.

Need help confirming compatibility or matching the right part number for your application? Message us and our team will assist in validating fit, ensuring seamless integration with your electrical system.

Choose the Eaton T400DA2 for a reliable, high-capacity solution that supports safe, continuous operation of industrial power systems.