Eaton | KDB3350X | Circuit Breaker | 350A | 3-Pole

Introducing the Eaton KDB3350X Circuit Breaker — a rugged, high-current protection device engineered for demanding electrical systems. With a 350A rating and a 3-pole configuration, this Eaton KDB3350X is purpose-built for maintenance, retrofit, and replacement projects where exact compatibility matters. Always verify fit using the part number KDB3350X as your reference before ordering.

Key specifications

• Amperage: 350 A
• Poles: 3-Pole
• Part number: KDB3350X (your best reference for compatibility)
• Applications: maintenance, retrofit, and replacement in suitable Eaton panels and enclosures
• Compatibility note: confirm fit and ratings before purchasing

Why this breaker stands out

• Exact-match replacement: The KDB3350X is designed to slot into Eaton panel systems or compatible enclosures that specify this part number, ensuring electrical integrity and safety.
• High-current protection: 350A capacity supports heavy-load circuits, minimizing the need for multiple devices in parallel.
• Three-phase readiness: 3-Pole design supports balanced power distribution in three-phase systems common in industrial settings.
• Maintenance-friendly: Retrofit-ready for upgrades or replacements, reducing downtime during service windows.
• Clear compatibility guidance: The part number is the most reliable reference when verifying fit with your equipment.

Ideal use cases

Best suited for industrial electrical installations where a single, high-current protection device is required. This includes large equipment feeders, main distribution panels, and retrofits in facilities that rely on Eaton protection technology. Use in any system that specifies a 3-pole, 350A protection device and accepts the KDB3350X form factor.

How to verify compatibility

• Cross-check the exact part number: KDB3350X, with your panel’s documentation and Eaton compatibility lists.
• Confirm electrical ratings: 350A current rating and 3-Pole configuration match your system requirements.
• Inspect enclosure fit: Ensure the breaker will physically and electrically align with the panel or enclosure you’re servicing.

Installation and safety tips

Coordinate with a qualified electrician. Before removal or installation, de-energize equipment and follow lockout/tagout procedures. Keep a record of the part number (KDB3350X) for future maintenance or replacements to ensure ongoing compatibility.