Eaton | KD3300X | Circuit Breaker | 300A | 3-Pole | 600V

Meet the Eaton KD3300X Circuit Breaker—a 300A, 3-pole solution designed for serious power protection in three‑phase systems. With a 600V rating, this unit delivers dependable overcurrent protection for demanding commercial and light industrial applications where reliability matters most.

Designed for maintenance, retrofit, and replacement needs where exact specifications matter, the KD3300X stands out as the clear choice when you must match existing equipment. The part number KD3300X is the best reference for compatibility, ensuring a precise fit and predictable performance in your panel or distribution setup.

Key specifications

• Amperage: 300 A
• Poles: 3‑Pole (three‑phase protection)
• Voltage: 600 V
• Reference for compatibility: KD3300X

Why this model fits your needs

When your project calls for a retrofit or replacement, the KD3300X offers a precise spec match that helps maintain system protection, coordination, and electrical safety. Its three‑pole design is ideal for distributing protection across three phases, making it a reliable choice for upgrading or maintaining existing Eaton‑based installations without introducing mismatched components.

Ideal use cases

• Maintenance of existing 3‑phase panels where a direct factory replacement is required
• Retrofit projects that demand exact amperage, pole count, and voltage ratings
• Replacement in systems where the KD3300X is specified as the compatibility reference

Practical guidance for selecting and ordering

Before ordering, confirm fit and ratings to ensure seamless compatibility with your equipment. Rely on the part number KD3300X as the primary reference to align with your panel specs and electrical distribution needs. This approach minimizes surprises during installation and helps you restore dependable protection quickly.

With the Eaton KD3300X, you’re choosing a purpose‑built, compatibility‑driven circuit breaker designed to keep your three‑phase power system safeguarded—today and into the future.