Square D KH36125 125A 3P Circuit Breaker, Plug-On | AmpState

Meet the Square D KH36125 125A 3P Circuit Breaker—a plug-on device engineered for fast, secure integration into panelboards, load centers, and electrical distribution circuits. Built to support retrofit projects and maintenance planning where a consistent part number matters, KH36125 keeps your systems aligned with minimal downtime.

• 125 A amperage provides robust overload protection for three-phase applications.
• 3-pole configuration is ideal for 3-phase distribution and equipment with 3-phase loads.
• Plug-on design enables straightforward installation into compatible Square D enclosures, reducing installation time and wiring complexity.
• Part number consistency ensures a reliable, stockable component across maintenance cycles, simplifying spares management.
• Square D compatibility is designed to integrate with other Square D equipment and panel systems for a cohesive protection strategy.
• AmpState availability—acquire with confidence, and we can help confirm compatibility if needed.

Practical use cases

• Retrofit projects: upgrade or replace aging protection devices without changing the control scheme or panel compatibility.
• Maintenance planning: keep a ready-to-go spare with a part number your team already trusts.
• Load-center and panelboard protection: ensure reliable power distribution for commercial spaces and facilities with 3-phase loads.

How it helps you compare to other options

• Direct plug-on compatibility within Square D ecosystems means fewer wiring surprises and smoother installations.
• Staying with a single part number across maintenance cycles reduces ordering errors and stocking complexity.

Notes and support

If you need help matching a part number or confirming fit for your panel or distribution setup, send us a message. AmpState team members are ready to verify compatibility and help you select the right KH36125 for your system.