Square D | KCB34225 | Circuit Breaker | 225A | 3-Pole | 480V

Square D KCB34225 Circuit Breaker is a rugged, 225-amp, 3-pole device designed for 480-volt three-phase systems. Built for reliability in demanding environments, it’s a top-tier choice for maintenance, retrofit, and replacement projects where preserving protective coordination and minimizing downtime matters.

• Amperage: 225 A
• Poles: 3-Pole
• Voltage: 480V
• Part Number: KCB34225
• Configuration: Square D KCB family, compatible with standard three-phase installations

Compatibility and fit are critical for a hassle-free upgrade. This KCB34225 is the best reference for identifying exact compatibility with your panel or enclosure. Note: Confirm fit and ratings before ordering. The part number is the most reliable reference to ensure you’re selecting the correct device for your system.

Ideal use cases

• Maintenance and service on existing 480V, three-phase electrical systems to prevent unplanned outages
• Retrofit projects where you need a precise 225 A, 3-pole protection device for upgraded equipment or changes in load
• Replacement of aging breakers in industrial panels, motor control centers, and commercial/industrial distribution gear

What sets this breaker apart

• Industry-standard form factor from Square D ensures straightforward field replacement with minimal panel modification
• Designed to deliver dependable protection for critical 480V three-phase circuits in manufacturing, processing, and heavy equipment environments
• Clear part-number guidance reduces ordering errors and ensures fast, accurate procurement for long-term maintenance plans

Installation and practical considerations

• Verify panel compatibility by cross-checking your enclosure’s model and the bus configuration against the KCB34225 specifications
• Follow standard electrical safety practices: de-energize, lockout, and test prior to replacement or retrofit
• Ensure correct mounting orientation and secure connections to maintain reliable, balanced protection across all three phases

Whether you’re upgrading an aging panel, performing routine maintenance, or implementing a retrofit to support new equipment, the Square D KCB34225 delivers dependable, three-phase protection at 480V. Use the part number as your reliable reference point to guarantee compatibility, and handle with care to keep your industrial electrical system running smoothly.