Eaton KDB3350 - 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Eaton KDB3350, a 600V, 3-pole molded case circuit breaker designed to protect your most critical electrical runs with precision and reliability. Sold by AmpState, this breaker is built for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers, delivering consistent performance in demanding environments.

• Compact molded case design: Maximizes panel space without compromising protection, making it easy to fit into compact or crowded panels.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection across a wide range of loads and temperatures, reducing nuisance trips and ensuring predictable breaker behavior.
• Three-pole configuration: Ideal for three-phase circuits and multiwire systems, providing coordinated protection across all phases in commercial and light industrial installations.
• OEM compatibility: Specifically designed to pair with matching Eaton OEM load centers and panelboards, ensuring seamless electrical coordination and a consistent protection profile.
• Versatile applications: Suitable for residential, commercial, and light industrial use where reliable 600V overcurrent and short-circuit protection is essential.

The KDB3350 is purpose-built to safeguard feeders and branch circuits in panelboards and load centers, helping you avoid costly downtime and equipment damage. With its thermally tuned trip mechanism and three-pole arrangement, it delivers decisive response to overloads and short circuits, while maintaining compatibility across Eaton’s panelboard ecosystems for straightforward installation and maintenance.

Technical snapshot

• Manufacturer: Eaton
• Part Number: KDB3350
• Type: Thermal-magnetic molded case circuit breaker
• Voltage Rating: 600V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Who benefits most from the Eaton KDB3350? electrical contractors, facilities managers, and integrators who value dependable protection in 600V panel environments, with a clear path for upgrading or expanding three-phase distribution. Use it to protect feeders, subpanels, and critical loads in commercial spaces, light industrial facilities, and multi-tenant buildings, all while maintaining clean coordination with existing Eaton panelboard setups.

Practical tips for optimal use: confirm panel compatibility with the matching Eaton load center, ensure correct mounting orientation for accurate trip performance, and follow standard electrical safety practices during installation and servicing. With the KDB3350, you get a reliable, OEM-aligned solution that keeps power flowing to the places that matter most.