Square D | QBM32225TN | Circuit Breaker | 225A | 3-Pole | 240V | Bolt-On

Secure, high-capacity protection for demanding electrical systems with the Square D QBM32225TN circuit breaker. This 225‑amp, 3‑pole unit is engineered for 240‑volt environments and is ideal for maintenance, retrofit, and replacement projects where exact specifications matter. The bolt‑on mounting provides a solid, reliable connection in compatible Square D panels, making service and upgrade work faster and more dependable.

Key specifications

• Amperage: 225 A
• Poles: 3-Pole
• Voltage: 240 V
• Mounting: Bolt-On

Why this model stands out

The QBM32225TN is purpose-built for scenarios where panel compatibility and reliable fault protection matter most. By matching the exact part number, you ensure proper fitment within your panel layout and bus configuration, reducing guesswork and installation time. The bolt-on design delivers secure terminations that remain stable under normal service and switching operations, which is especially important for high-load feeders and critical 240V circuits.

Ideal use cases

• Replacing an aging or out-of-spec breaker in a 240V, 3‑pole distribution panel
• Retrofits where 225A capacity is required to support larger loads
• Maintenance upgrades in commercial or light industrial electrical rooms

Installation and compatibility tips

• Always confirm fit and ratings before ordering—the QBM32225TN part number is the best reference for compatibility.
• Prepare the panel by ensuring clean, properly aligned mounting surfaces for a secure bolt-on connection.
• Use only in panels rated for these specifications to maintain safe, reliable operation.