MQJ3225 | Circuit Breaker | 225A | 3-Pole | 240V

MQJ3225 is an industrial circuit breaker engineered for reliability in demanding electrical environments. This 225A, 3-Pole unit is designed to protect multi-conductor power distribution systems at 240V, delivering dependable fault protection where it matters most.

Whether you’re performing maintenance, a retrofit, or a replacement, precise spec matching is essential. The MQJ3225 designation isn’t just a model name—it’s your best reference for compatibility with existing panels, enclosures, and wiring configurations. Confirm fit and ratings before ordering to ensure seamless integration into your electrical setup.

• Amperage: 225A
• Poles: 3-Pole
• Voltage: 240V
• Part reference: MQJ3225

Key benefits in real-world use

• Precise compatibility: Use the MQJ3225 part number as the definitive reference when sourcing replacements or upgrades for existing installations.
• Robust protection for higher-current circuits: With a 225A rating, it’s suited for mid-to-high load applications common in industrial and commercial power distributions.
• Three-pole configuration: Ensures balanced protection across all conductors in three-phase systems, reducing the risk of uneven fault conditions.
• Clear installation pathway: Designed for retrofit and replacement projects, helping minimize downtime and simplify sourcing when upgrading to modern protection devices.

Ideal use cases

• Maintenance outages where a like-for-like replacement is required to maintain system continuity.
• Retrofit projects that upgrade protection while preserving existing wiring and panel layouts.
• Replacement scenarios where matching the exact amperage, pole arrangement, and voltage is critical for ongoing performance and safety.

Practical notes to keep in mind

• Always confirm fit and ratings before ordering to avoid compatibility issues with panels and accessory kits.
• Use the part number MQJ3225 as the primary reference when communicating with suppliers or checking your inventory.
• Plan replacements during scheduled maintenance windows to minimize downtime and ensure panel compatibility.