Eaton CHLD3400T57WPN 400A 3-Pole 600 V Circuit Breaker

Meet the Eaton CHLD3400T57WPN 400A 3-Pole 600 V Circuit Breaker—the high-current solution your industrial or commercial electrical system demands. This part-numbered breaker is built to shield large feeders and three-phase circuits from overloads, trips, and faults, keeping critical operations online and safer for personnel.

Why this unit stands out: - 400 amp rating provides robust protection for heavy-load feeders and main circuits, helping prevent equipment damage and unscheduled downtime. - Three-pole design supports balanced three-phase power, enabling comprehensive protection across all conductors in 3-phase systems. - 600 V maximum rating makes it suitable for industrial environments and applications where higher voltage service is standard, such as manufacturing lines, large HVAC installations, data-center feeders, and motor drives.

• Precise protection for large projects — ideal as a main breaker or a large feeder in commercial or industrial panels.
• Reliability in demanding environments — engineered for consistent performance under heavy-load conditions.
• Seamless Eaton ecosystem — designed to work with Eaton distribution equipment, panels, and accessories for streamlined installation and maintenance.
• Clear part identification — Part Number CHLD3400T57WPN ensures compatibility with your existing Eaton inventory and service documentation.

Ideal applications include service equipment in large facilities, three-phase feeders for manufacturing line power, data-center rack or room distributions, and commercial buildings with substantial motor loads. If your electrical plan calls for a 400A, 3-pole breaker rated at 600 V, this unit delivers the protection and performance you need without compromise.

Practical tips for deployment: verify that your panel or panelboard accepts CH-series breakers, ensure correct alignment with the bus and mounting provisions, and follow all manufacturer guidelines during installation and maintenance. Keeping this CHLD3400T57WPN on hand as a spare can reduce downtime during panel upgrades or load rebalancing tasks.

Secure reliable, high-current protection with the Eaton CHLD3400T57WPN—a purpose-built choice for demanding 3-phase, 600 V systems.