Eaton | KDC3400L | Circuit Breaker | 400A | 3-Pole | 600V

The Eaton KDC3400L circuit breaker is a robust protection device designed for demanding electrical panels. Featuring a 400 A rating with a 3-pole configuration and a 600 V operating capacity, it’s engineered to provide reliable overcurrent protection in industrial and commercial environments. This unit is ideal for maintenance, retrofit, and replacement projects where exact specifications matter and compatibility is non-negotiable.

• Amperage: 400 A
• Poles: 3-Pole
• Voltage: 600 V
• Best compatibility reference: Part number KDC3400L
• Ideal use cases: Maintenance, retrofit, and replacement where matching specs are required

Important compatibility note: Confirm fit and ratings before ordering. The KDC3400L is the most reliable reference for ensuring that this breaker matches your panel’s design, bus configuration, and protective characteristics. Use the part number as the primary verification to avoid mismatches during installation.

Where this breaker shines

• Industrial and commercial panels that require a 400 A, 3-pole, 600 V protection device
• Retrofit projects where upgrading or replacing aging protection with an Eaton-form factor is essential
• Maintenance scenarios that demand a direct, compatible substitute to minimize downtime

Practical guidance for sourcing and installation

When sourcing the KDC3400L, align the part number with your panel’s data plate and bus configuration. If you’re replacing an existing unit, this model typically provides a direct substitute due to its matching specs. For new installations, verify that the system voltage, current rating, and pole arrangement meet your protective requirements to ensure seamless integration and reliable performance.