Eaton | MDLB3800 | Circuit Breaker | 800A | 3-Pole | 600V

The Eaton MDLB3800 circuit breaker is engineered for serious industrial power protection, delivering robust 800A, 3-pole protection for 600V systems. Designed to support maintenance, retrofit, and replacement projects, this device helps sustain uptime while preserving safety and protection coordination.

• Amperage: 800A
• Poles: 3-Pole
• Voltage rating: 600V
• Part number: MDLB3800

Why the MDLB3800 is the right fit for your panel

When your documentation specifies the MDLB3800, you’re selecting an exact reference designed for compatibility and predictable protection performance. Always verify fit and ratings before ordering to ensure a seamless replacement or retrofit. The part number is the most reliable guide to compatibility with existing Eaton systems and 3-phase installations.

Ideal use cases

• Maintenance on 3-phase, 600V distribution panels that require 800A protection
• Retrofit projects where upgrading to a higher-capacity, 3-pole breaker is necessary
• Replacement for failed or out-of-date breakers in industrial controls and power distribution

Practical considerations and setup tips

• Keep documentation that references MDLB3800 handy for future replacements and service calls
• Confirm enclosure compatibility, busbar configuration, and the panel’s protection coordination requirements before purchase
• Coordinate with upstream protection schemes to maintain proper selectivity and fast, reliable trips

For projects requiring precise, durable 800A, 3-pole protection within 600V systems, the Eaton MDLB3800 circuit breaker provides a direct-fit solution that aligns with your specifications and maintenance needs.