Square D | KHP36125 | Circuit Breaker | 125A | 3-Pole | 600V

The Square D KHP36125 Circuit Breaker delivers dependable, robust protection for demanding three‑phase electrical systems. At 125A with a 3‑pole configuration and a 600V rating, this breaker is built to handle the load and provide reliable interruption when faults occur.

This model shines in maintenance, retrofit, and replacement projects where exact specifications matter. If your panel requires the KHP36125 family footprint and ratings, this breaker aligns precisely with your existing infrastructure for a seamless upgrade.

Key specifications

• Amperage: 125A
• Pole configuration: 3‑Pole
• Voltage rating: 600V

Why this matters

In three‑phase systems, a 125A, 3‑pole breaker protects feeders and motor circuits from overloads and short circuits while supporting balanced phase protection. The 600V rating makes it suitable for industrial and commercial equipment and distribution panels, helping ensure operational continuity and safeguarding valuable assets.

Compatibility and installation

Always confirm fit and ratings for your specific panel and bus arrangement before ordering. The part number KHP36125 is the clearest reference for compatibility within Square D’s lineup, increasing the likelihood of a direct, drop‑in replacement with minimal downtime.

Use cases and ideal scenarios

• Retrofits to upgrade aging systems or adapt to changing load demands.
• Maintenance replacements in three‑phase distribution networks up to 600V.
• New installations needing a reliable 125A, 3‑Pole, 600V protection solution for motor feeders and critical circuits.

Practical tip: pair this breaker with correctly rated conductors and compatible panel accessories, and have a licensed electrician verify labeling and trip settings after installation to ensure safe, compliant operation.