Square D | JJM36225 | Circuit Breaker | 225A | 3-Pole

Meet the Square D JJM36225 225A 3-Pole Circuit Breaker—the trusted choice for precise protection in maintenance, retrofit, and replacement scenarios. When your goal is to preserve system reliability without guessing, this unit delivers the exact specifications you need for demanding, three‑phase applications.

The critical strength of this breaker lies in its exact match to your equipment’s requirements. With a 225-amp rating and a 3-pole design, it is engineered to interrupt all live conductors in a three-phase circuit, providing reliable protection for feeders, motors, and downstream devices. The line is unified under the part number JJM36225, which is your most reliable reference for compatibility—always verify fit and ratings before ordering to ensure a seamless installation.

Key details at a glance

• Amperage: 225A
• Poles: 3-Pole
• Part number: JJM36225
• Brand: Square D

Why choose this 3-Pole 225A breaker for your system

Designed to integrate with Square D distribution configurations, the JJM36225 supports robust protection for high-load, three-phase circuits. It’s ideal for maintenance tasks where you’re replacing a worn unit, for retrofitting panels to accommodate current demands, or as a reliable spare in critical electrical infrastructure. Using the exact part number avoids compatibility pitfalls and reduces downtime during installs or upgrades.

Practical use cases

• Replacing an aging or damaged 3-pole 225A breaker in a commercial or industrial panel.
• Retrofits where existing equipment requires the same amperage and pole configuration to maintain system balance.
• Maintenance workflows that rely on having an exact, in‑spec replacement on hand to minimize outages.

Pro tips for a smooth installation

• Always confirm fit and ratings against your panel’s documentation before ordering—the part number JJM36225 is the clearest compatibility reference.
• Prepare for safe work: power down the equipment, follow lockout/tagout procedures, and consult your panel manufacturer guidelines for torque specs and wiring best practices.
• Consider organizing a targeted replacement strategy for critical feeders to reduce downtime and maintain continuous service.