Eaton KDC3225X - 225 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Eaton KDC3225X, a 225 A, 600 V, 3-pole bolt-on molded case circuit breaker crafted for reliable branch circuit protection in panelboards and loadcenters. Engineered to withstand the demands of residential, commercial, and light industrial environments, this breaker delivers precise protection where it matters most.

Why engineers and electricians choose the KDC3225X: its secure bolt-on mounting creates a rigid, vibration-resistant connection to the bus, reducing the risk of loose connections that can lead to performance variability. The thermal-magnetic trip unit provides stable, repeatable protection—so you get dependable overcurrent and short-circuit protection without nuisance trips, even under fluctuating load conditions.

Key features that set this breaker apart

• Secure bolt-on mounting: Enables a solid, vibration-resistant connection to the panelbus for long-term reliability.
• Thermal-magnetic trip unit: Combines thermal and magnetic protection for accurate response across a wide range of fault conditions.
• 3-pole design: Ideal for 3-phase systems, providing coordinated protection across all phases.
• 600 V rating: Suitable for higher voltage branch circuits common in commercial and industrial applications.
• 225 A continuous rating: Robust protection for demanding circuits in panelboards and loadcenters.
• OEM compatibility: Designed to be compatible with matching OEM loadcenters and panelboards, simplifying installation and upgrade paths.

Who benefits most

The KDC3225X is an excellent fit for installers and facility managers tackling panelboard upgrades, new installations, or service panel maintenance in settings where reliability and modular protection are essential. It’s a practical choice for:

• Residential multi-family dwelling panels requiring dependable 3-pole protection on larger circuits.
• Commercial electrical rooms needing robust protection for business-critical loads.
• Light industrial setups where equipment protection and uptime are priorities.

Use cases and practical applications

Use the KDC3225X for branch circuit overcurrent and short-circuit protection in panelboards and loadcenters that demand a durable bolt-on solution. Its 3-pole design ensures comprehensive protection across all phases in 3-phase systems, while the thermal-magnetic trip responds quickly to faults, helping prevent equipment damage and downtime.

Technical snapshot

• Eaton
• Part number: KDC3225X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 225 A
• Voltage rating: 600 V
• Poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

With its combination of secure installation, precise protection, and OEM-friendly compatibility, the Eaton KDC3225X delivers reliable performance when it’s needed most—keeping electrical systems safer, more stable, and easier to maintain. For projects that demand dependable 3-pole protection in panelboards and loadcenters, this breaker stands out as a thoughtful, proven choice.