Eaton | KB3100 | Circuit Breaker | 3-Pole

Eaton KB3100 is a 3-Pole circuit breaker engineered for reliable overcurrent protection in maintenance, retrofit, and replacement projects where exact specifications matter. This breaker is built to integrate seamlessly when the part number KB3100 is listed as the compatibility reference, helping you avoid fit issues during installation.

Why the KB3100 matters

• Three‑pole design for 3‑phase protection ensures appropriate protection for multi‑phase electrical systems commonly found in commercial and industrial settings.
• Clear compatibility reference — using the KB3100 part number is your most dependable way to verify that this breaker matches your panel or switchgear’s requirements.
• Fit-first approach — the product description emphasizes confirming fit and ratings before ordering to prevent mismatches and unnecessary downtime.

Who should consider this breaker

• Electrical contractors performing maintenance on Eaton-compatible panels that list KB3100.
• Retrofit projects upgrading legacy systems to current, reliable three‑phase protection.
• Facilities teams and OEMs stocking a reliable spare for on‑hand replacements in service fleets.

How to verify compatibility (quick guidelines)

1. Check your panel’s listing to confirm it references the KB3100 part number for compatibility.
2. Confirm the breaker’s poles align with your system requirement: 3-Pole for three‑phase applications.
3. Ensure the desired ratings (voltage/current) match your installation needs before ordering.

Practical use cases and benefits

In ongoing maintenance or retrofit scenarios, the Eaton KB3100 provides a reliable, readily identifiable replacement option that minimizes guesswork. By sticking to the specified part number, you ensure consistent trip characteristics and mechanical fit, reducing installation time and downtime. This is especially valuable when you’re aligning with existing panelboards, breaker buses, and enclosure clearances that require precise 3‑pole integration.

Key specifications at a glance

• Poles: 3‑Pole
• Part number: KB3100
• Intended use: maintenance, retrofit, and replacement where matching specs are required