Eaton | KDB3100 | Circuit Breaker | 3-Pole

Eaton KDB3100 is a trusted 3-pole circuit breaker designed for maintenance, retrofit, and replacement projects where exact compatibility matters. If your panel or distribution setup requires a three-pole device, this KDB3100 model provides a reliable, straightforward path to restore protection and system integrity. The part number itself is your best reference for ensuring a correct fit.

Key features and benefits

• Poles: 3-Pole — ideal for three-phase circuits and panel configurations that demand synchronized protection across all lines.
• Exact fit with Eaton systems — the KDB3100 designation helps you confirm compatibility with Eaton panels and downstream devices, streamlining procurement and installation.
• Maintenance, retrofit & replacement ready — a practical choice when upgrading or refreshing aging distribution equipment without overhauling the entire panel.
• Reliability you can count on — built to deliver consistent protection in everyday electrical environments, supporting uptime and safety for commercial or light industrial applications.
• Clear compatibility reference — use the part number as the definitive guide to ensure you’re selecting the right device for your existing Eaton infrastructure.

Who it's for

This breaker is especially well-suited for electricians, facilities managers, and maintenance teams who manage Eaton-based electrical systems and need dependable, easy-to-identify replacement parts that minimize downtime during service windows.

Use cases and scenarios

• Retrofit projects where a three-pole protection scheme is required to support a three-phase load.
• Maintenance intervals in facilities that standardize on Eaton components for fast, compatible replacements.
• Refresh of aging distribution panels where a precise, exact-match part number simplifies ordering and reduces compatibility risk.

Buy with confidence

Before ordering, confirm fit and ratings for your specific installation. The part number KDB3100 is the most reliable reference to ensure you’re getting the correct 3-Pole breaker for your Eaton system.