Square D QDL32225 - 225 A, 240 V, 3-Pole Circuit Breaker | AmpState

The Square D QDL32225 is a 225A, 240V, 3-pole molded case circuit breaker designed to provide dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Built by Square D, this unit combines a compact molded-case form with a thermal-magnetic trip unit to deliver stable, repeatable protection for even demanding electrical systems.

Why this breaker stands out

• Space-efficient design: a compact molded-case body makes optimal use of panel space, helping you fit more circuits in tight enclosures.
• Reliable protection: thermal-magnetic trip provides fast, predictable responses to short circuits while minimizing nuisance trips during normal startup or inrush conditions.
• High-capacity performance: 225A rating is ideal for large loads, motors, or feeders in commercial or light industrial applications.
• OEM compatibility: engineered for seamless use with matching Square D OEM load centers and panelboards, ensuring consistent fit and protection characteristics.
• Versatile application: suitable for residential, commercial, and light industrial environments where robust 3-pole, 240V protection is required.

Technical specifications at a glance

• Manufacturer: Square D
• Part Number: QDL32225
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 225A
• Voltage Rating: 240V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and scenarios

Ideal for panelboards and load centers serving large electrical zones, the QDL32225 supports feeders and main-disconnect roles for equipment like commercial HVAC systems, pumps, or multi-motor assemblies. Its 3-pole, 240V configuration is well-suited for three-phase power distribution, delivering reliable protection for circuits where high current and swift interruption are essential to prevent damage and downtime.

Installation guidance and tips

For optimal performance, pair this breaker with compatible Square D OEM panelgear to maintain coordinated protection and consistent trip behavior. Confirm the panel’s voltage and rating align with 240V and 225A, and follow best practices for electrical safety and code compliance during installation. When replacing an existing device, ensure the trip characteristics match to preserve protective performance across the panel.

Ready to upgrade your protection with a trusted, high-capacity solution? The Square D QDL32225 is available from AmpState. Add it to your panel today for dependable, precise overcurrent and short-circuit protection that keeps systems running smoothly.