Square D QDA32070 - 70A, 3-Pole, Circuit Breaker

Meet the Square D QDA32070—a dependable 70A, 3-pole circuit breaker built to safeguard three-phase electrical systems with precision. Engineered for reliability in demanding environments, this unit provides robust overcurrent protection where it matters most in distribution panels and motor control centers.

Designed for flexible integration, the QDA32070 fits seamlessly in panelboards, switchboards, and control panels, making it an ideal choice for industrial, commercial, and OEM applications. Whether you’re protecting a critical conveyor line, a heavy-duty pump circuit, or a suite of motors, this breaker delivers consistent performance under load.

Key benefits

• Three-pole configuration supports three-phase systems for compact, coordinated protection across multiple conductors.
• 70A current rating provides scalable protection for feeders and three-phase equipment without compromising system performance.
• Reliable Square D design backed by a legacy of industrial-grade protection in distribution and control applications.
• Ideal for use in distribution panels and motor control centers where dependable operation and safety are critical.

Specifications at a glance

• Current rating: 70A
• Poles: 3-Pole
• Breaker type: Circuit Breaker

Use cases and scenarios

Perfect for facilities that rely on three-phase equipment such as motors, pumps, fans, and conveyors. In OEM environments, it serves as a compact, reliable protection device within control panels and switchgear. The QDA32070 helps reduce downtime by preventing damage from overcurrent events while supporting straightforward maintenance and panel servicing.

Why this matters

Choosing the Square D QDA32070 means opting for proven protection in critical infrastructure. Its 3-pole design and 70A rating are tailored for systems that require solid, predictable performance across all three phases, contributing to safer operation, easier troubleshooting, and longer equipment life.

Practical tips

• Confirm three-phase compatibility with your panelboard or MCC before installation.
• Use in conjunction with proper enclosure, receptacles, and bus arrangements to maintain safe clearances and thermal performance.
• Maintain a spare unit on hand for rapid replacement in essential distribution and control circuits, minimizing downtime.