Eaton | DA3300Y | Circuit Breaker | 300A | 3-Pole | 600V

Eaton's DA3300Y circuit breaker is a rugged, three-pole overcurrent protection device designed for demanding electrical systems. Engineered for reliability in industrial and commercial environments, this unit delivers precise interruption of three-phase power at a 300A rating and with a 600V maximum, helping safeguard equipment and maintain safe, stable operation during fault events. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, the DA3300Y offers a straightforward path to compatibility with existing Eaton installations. The part number is the best reference for ensuring a correct fit and ratings, so verify the DA3300Y aligns with your panel or switchgear before ordering. Key specifications

• Amperage: 300A
• Poles: 3-Pole
• Voltage: 600V

Why the DA3300Y stands out

• Exact spec alignment: With a clear 300A, 3-pole, and 600V footprint, this breaker slots into compatible Eaton panels and distribution equipment without guesswork or improvisation.
• Streamlined maintenance and retrofits: When upgrading or replacing aging protection devices, the DA3300Y minimizes compatibility questions and reduces downtime by aligning with Eaton’s standard form and ratings.
• Unambiguous references for purchase: Rely on the DA3300Y part number to confirm compatibility across Eaton systems, ensuring you’re selecting a device that will integrate with your existing protection scheme.

Who this is for - Electrical contractors, facilities engineers, and maintenance teams responsible for three-phase power distribution in commercial, industrial, or data-related environments. - Projects involving panel upgrades, retrofits, or replacements where matching specifications is essential to maintain system protection and warranty compliance. Practical considerations and usage guidance - Before ordering, confirm fit and ratings against your current Eaton equipment and panel design to avoid non-conforming substitutions. - Use the DA3300Y as part of a planned protection strategy for three-phase circuits, ensuring your load calculations and trip requirements align with the 300A, 600V ratings. - Keep the part number DA3300Y on file as the definitive reference for compatibility during inventory audits and future replacements. Add the Eaton DA3300Y to your protection lineup and rely on a proven three-pole, 600V solution that’s built for reliability in real-world electrical systems.