Cutler-Hammer | KDB3350 | Circuit Breaker | 350A | 3-Pole

Cutler-Hammer KDB3350 350A 3-Pole Circuit Breaker is built for demanding maintenance, retrofit, and replacement projects where exact specifications matter. This genuine 3‑pole device protects three‑phase power in industrial and commercial settings, delivering reliable performance when it matters most.

• Amperage: 350 A
• Poles: 3‑Pole (three‑phase protection)
• Application: ideal for maintenance, retrofit, and replacement in panels that require these exact specs
• Reference for compatibility: Part number KDB3350 is the best guide to ensure a proper fit
• Manufacturer: Cutler-Hammer / Eaton
• Important: Confirm fit and ratings before ordering to avoid mismatches in panel compatibility

Why this KDB3350 matters for your system: when your project calls for a high‑current, three‑phase protective device, using the exact Cutler-Hammer part minimizes downtime and preserves protective coordination across all phases. The 350A rating is suited for demanding feeders or main circuits in larger panels, helping you maintain safe, reliable operation in environments with significant load demands.

Ideal use cases

• Maintenance or repair work on existing three‑phase distributions where a direct KDB3350 replacement is required
• Retrofits and panel upgrades that demand matching specifications to avoid compatibility gaps
• Spare inventory for facilities with critical loads that rely on consistent 350A, 3‑pole protection
• Replacement in aging or evolving electrical systems where exact part references ensure seamless integration

Compatibility and installation notes

• Always verify that your panel or switchgear explicitly lists KDB3350 as a compatible breaker model
• Cross‑check the panel’s ampacity, busbar style, and mounting hardware to ensure a proper fit
• Consider consulting a licensed electrician to confirm ratings, clearance, and protective coordination for your specific installation

With the Cutler-Hammer KDB3350, you’re choosing a trusted, purpose‑built solution for high‑current, three‑phase protection. Its precise amperage and 3‑pole design make it a practical, reliable option for maintenance, retrofit, and replacement needs, all backed by the Cutler-Hammer heritage you trust. Use the part number KDB3350 as your go‑to reference for compatibility, and move forward with confidence in your next electrical project.