Eaton KDB3250 - 250 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton KDB3250 is a 3-pole molded case circuit breaker designed to guard your panelboard and load center against overcurrent and short-circuit events with precision and reliability. With a 250 A rating and a 600 V maximum, it is purpose-built for three‑phase distribution in commercial, light industrial, and select residential installations where robust protection and space efficiency matter.

• Compact molded case design minimizes panel fill while delivering dependable protection, helping you maximize usable space in crowded panel enclosures.
• Thermal-magnetic trip unit combines overload protection with instantaneous short-circuit response, offering stable, repeatable protection across varying temperatures and loads.
• 3-pole construction supports three-phase circuits, making it ideal for motor feeds, three-phase feeders, and distribution across commercial or light industrial systems.
• OEM-compatible fit engineered to align with matching Eaton panelboards and load centers for straightforward installation and proven coordination.
• Versatile application suitable for residential, commercial, and light industrial environments where reliable branch-circuit protection is essential.

In practical terms, the KDB3250 protects wiring and connected equipment from damage due to overloads and short circuits, reducing downtime and helping maintain safe, compliant electrical distribution. Its precise trip characteristics mean predictable protection for critical loads—whether you’re powering HVAC drives, conveyors, lighting assemblies, or other three-phase equipment.

Use cases

• Three-phase motor circuits and feeders in light industrial facilities
• Commercial panelboard main feeders and downstream branch circuits
• Residential-commercial hybrids or multi-load center configurations requiring sturdy three-pole protection

Choosing the Eaton KDB3250 means pairing a high-current, space-conscious MCCB with the proven reliability of Eaton’s protection philosophy—delivering clear, actionable protection that keeps systems running smoothly and safely.