Eaton | KDC3300L | Circuit Breaker | 300A | 3-Pole | 600V

Eaton’s KDC3300L circuit breaker brings dependable, high-capacity protection to three-phase electrical systems, delivering 300 A of interrupting capability at up to 600 V. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this unit integrates smoothly into panels that require the KDC3300L class of protection.

Key specifications

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

What makes the KDC3300L stand out

• Exact compatibility: The part number KDC3300L is the best reference for matching the right Eaton breaker to your panel or retrofit scenario, helping you avoid mismatches that can delay projects.
• Reliable three-phase protection: Designed to protect demanding industrial and commercial installations where three-phase loads demand solid, consistent overcurrent protection at 600 V.
• Clear maintenance and replacement path: Ideal for maintenance, retrofit, and replacement needs, ensuring you can restore secure operation without hunting for substitutes.
• Durable, field-ready design: Built to withstand the challenges of industrial environments, offering dependable performance when it matters most.

Ideal use cases

• Upgrading or replacing aging breakers in 3-phase service panels within manufacturing floors, data centers, and large commercial facilities.
• Retrofit projects where existing equipment requires a precise 300 A, 3-pole, 600 V specification to maintain system protection levels.
• Spare or maintenance stock for facilities that standardize on Eaton KDC-series components to streamline future service needs.

Ordering and compatibility tips

Before ordering, confirm fit and ratings to ensure seamless integration with your current electrical setup. The KDC3300L part number is the most reliable reference for compatibility, helping you align with Eaton’s design standards and avoid mismatches that could impact protection performance.

Why choose Eaton for this specification

As a trusted leader in electrical safety and protection, Eaton designs breakers like the KDC3300L to deliver consistent performance in demanding environments. Choosing this model means aligning with a proven 300 A, 3-pole, 600 V solution that simplifies maintenance planning and enhances system reliability over the long term.

Whether you’re performing a strategic retrofit, a routine replacement, or a planned maintenance cycle, the Eaton KDC3300L provides the precise specifications you need to protect three-phase electrical systems while keeping downtime to a minimum.