Square D QDM32225TN 225A 3-Pole 240 V Circuit Breaker

Introducing the Square D QDM32225TN 225A 3-Pole 240 V Circuit Breaker — a purpose-built solution for dependable overcurrent protection in 3-phase power systems. With a 225A rating and three poles, this device is engineered to safeguard high-demand circuits while keeping your 240V distribution safe and stable.

Designed to trip all three phases together, the QDM32225TN helps prevent unbalanced loads and potential equipment damage in motors, drives, and heavy electrical distributions. It’s a precise, drop-in option for Square D panels that accept QDM family breakers, delivering reliable performance when you need it most.

Key features

• Current rating: 225 A — capable of protecting substantial loads and heavy machinery.
• Poles: 3-pole configuration for balanced three-phase protection at 240 V.
• Voltage rating: 240 V — suitable for common commercial and industrial 3-phase systems.
• Part number: QDM32225TN — exact replacement alignment for compatible Square D installations.
• Compatibility: Specifically designed for Square D panels that support the QDM breaker family, ensuring reliable installation and panel performance.

Ideal use cases

• Commercial electrical rooms and data centers with 3-phase equipment running at 240 V.
• Industrial facilities protecting large motors, conveyors, and heavy-load circuits.
• Main service disconnects or branch protection within panelboards that accept QDM-series breakers.
• Retrofits and replacements in existing Square D installations to maintain consistent protection characteristics.

Why this 3-Pole 225A breaker matters

In any facility relying on three-phase power, synchronized interruption across all phases is essential for safety and equipment longevity. The QDM32225TN delivers precise, reliable interrupting action, reducing the risk of damage from overloads and short circuits and helping keep downtime to a minimum. Its robust design is built to endure the rigors of commercial and light industrial environments, providing dependable protection when it matters most.

Installation and compatibility are straightforward for qualified electrical professionals. Ensure your panel is designed for QDM breakers and follow the manufacturer’s installation guidelines to maintain optimal performance and safety.