Square D QDL3225 - 225A, 240VAC, 3-Pole, Circuit Breaker

Meet the Square D QDL3225 — a rugged, high-capacity circuit breaker engineered for reliable three-phase protection. Rated for 225 A at up to 240 VAC, this 3-pole design is built to safeguard complex distribution panels and motor control centers in demanding environments.

• Current rating: 225 A
• Voltage rating: 240 VAC
• Poles: 3-Pole
• Breaker type: Circuit Breaker

Where you’ll use it

• Industrial panelboards that feed high-demand equipment and machinery
• Switchboards and motor control centers protecting three-phase motors and controllers
• OEM equipment requiring rugged, reliable overcurrent protection for distribution tasks

What makes it stand out

• Three-pole configuration provides synchronized protection across all three phases, helping prevent phase-to-phase faults and protecting wiring, motors, and control circuits.
• 225 A rating is suited for robust, real-world loads common in manufacturing floors, commercial facilities, and engineered systems.
• Designed for safe operation in industrial environments, delivering dependable performance in distribution panels and control setups.
• From a trusted Square D line, it’s a proven solution for systems that require consistent protection and straightforward maintenance planning.

Practical guidance for getting the most from the QDL3225

• Use in compatible panelboards, switchboards, and motor control centers that require 3-phase protection with a 225 A capacity.
• Install according to manufacturer instructions and local electrical codes to ensure proper clearance, grounding, and safe operation.
• Plan for routine inspections of connections and mounting hardware to maintain reliable performance over time.

If you’re upgrading or specifying protection for a three-phase system, the Square D QDL3225 delivers targeted, dependable overcurrent protection where it matters most—keeping critical equipment safe and uptime high in industrial, commercial, and OEM applications.