Square D Q232225H - 225 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D Q232225H is a high-capacity, 225 A, 240 V, 3-pole plug-in molded case circuit breaker designed to protect large branch circuits in panelboards and load centers. Built for reliability in demanding electrical environments, this breaker provides precise, dependable overcurrent and short-circuit protection where it matters most.

• Fast plug‑in connection supports quick installation and effortless replacement, reducing downtime during panel servicing or upgrades.
• Thermal-magnetic trip unit delivers stable, repeatable protection—thermal sensing handles normal overloads while magnetic tripping responds instantly to high‑fault currents, helping minimize equipment damage.
• OEM-compatible performance is designed to work seamlessly with matching Square D load centers and panelboards, ensuring a clean, code‑compliant integration.
• Broad applicability suitable for residential, commercial, and light industrial applications where robust protection and reliable operation are essential.

Why this 3-pole plug-in breaker matters

In systems with three-phase power, balanced protection across all conductors is critical. The Q232225H’s 3-pole configuration safeguards each phase, helping prevent nuisance trips, equipment damage, and downtime due to short circuits or overcurrent conditions. Its plug-in design minimizes field wiring complexity, while the molded case construction adds durability in harsh environments.

Technical snapshot

• Manufacturer: Square D
• Part number: Q232225H
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 225 A
• Voltage rating: 240 V
• Number of poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Choose the Q232225H for scenarios where a high‑current, three‑phase protection solution is needed:

• Upgrading or expanding large residential service panels or commercial load centers with heavy feeder circuits
• Replacing aging breakers in OEM Square D panelboards to maintain consistent protection characteristics
• Installing reliable protection for light industrial circuits that demand rapid interruption of fault currents

Practical guidance for deployment

• Verify that your panelboard is compatible with this specific plug-in model and rating to ensure proper fit and code compliance.
• When installing, follow standard safety procedures and torque specifications for plug-in connections to maintain a secure, long‑lasting contact.
• Use this breaker as a dedicated protection device for large branch circuits; pair with appropriate conductors and overcurrent protection planning in your electrical design.

With the Square D Q232225H, you get a purpose-built, high-capacity solution that emphasizes rapid installation, dependable protection, and seamless OEM compatibility. It’s engineered to keep critical electrical systems running smoothly across residential, commercial, and light industrial settings.