Square D KH36225 - 225 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Engineered for dependable protection in demanding electrical environments, the Square D KH36225 is a 225A, 600V, 3-pole plug-in molded case circuit breaker designed to safeguard branch circuits in panelboards and load centers. Its fast plug-in connection simplifies installation and makes replacements quick, minimizing downtime on service calls or upgrades.

Key benefits that matter in the field

• Rapid plug-in installation and effortless replacement reduce labor time and panel downtime, keeping projects on schedule.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding precisely to overloads and short circuits across a range of operating conditions.
• OEM compatibility with matching Square D load centers and panelboards ensures coordinated protection and reliable electrical performance.
• Versatile application suitable for residential, commercial, and light industrial environments, delivering consistent protection where it’s needed most.

Technical snapshot

• Manufacturer: Square D
• Part number: KH36225
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 225A
• Voltage rating: 600V
• Number of poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why this model makes a difference

In any electrical system, protecting conductors and devices from overcurrent and short circuits is critical. The KH36225 is built to coordinate with Square D’s ecosystem, offering predictable trip characteristics that align with other protective devices in the same panel. The plug-in design reduces installation complexity and downtime, which is especially valuable during panel upgrades, service upgrades, or new-build projects in spaces like offices, retail outlets, or light manufacturing floors.

Ideal use cases

• Upgrading or replacing breakers in existing Square D panelboards and load centers to restore reliable protection and meet code requirements.
• Protecting high-capacity branch circuits in commercial spaces such as offices, clinics, and small data rooms.
• Light industrial panel assemblies where robust, maintainable protection is essential for continuous operation.

Practical insights and installation tips

• Confirm OEM compatibility with your current load center or panelboard before installation to ensure seamless fit and coordinated protection.
• Handle with care during replacement to maintain the integrity of the plug-in contacts and mounting interface.
• Follow all local electrical codes and the manufacturer’s installation guidelines for wiring, clearance, and safety procedures.
• Use this breaker as part of a planned protection strategy, pairing it with correctly rated conductors and upstream devices to achieve proper fault coordination.

For electricians and facility managers seeking a dependable, high-current plug-in solution, the Square D KH36225 delivers a clear advantage: fast, straightforward installation, precise thermal-magnetic protection, and proven compatibility with Square D panel ecosystems. Choose this 225A, 600V, 3-pole breaker when you need robust branch-circuit protection that integrates smoothly into residential, commercial, or light industrial electrical distributions.