Square D QDA32100 - 100 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D QDA32100 is a 100A, 240V, 3-pole plug-in molded case circuit breaker engineered to shield panelboards and load centers from overcurrent and short-circuit events. Its fast plug-in connection makes installation and replacements straightforward, reducing downtime during service, upgrades, or routine maintenance.

Fast, reliable protection with plug-in convenience

Designed for quick, tool-light installation, the QDA32100 plugs into compatible OEM panelboards, delivering a secure connection that stays put under normal operating conditions. This means fewer field adjustments and faster response when you need to swap or upgrade protection in busy electrical rooms.

Smart, dependable protection you can trust

At the core is a thermal-magnetic trip unit, delivering stable, repeatable protection across a wide range of operating conditions. The thermal element guards against nuisance trips from gradual overloads, while the magnetic element reacts rapidly to high fault currents, helping protect wiring, devices, and entire circuits from damage.

Key specifications at a glance

• Manufacturer: Square D
• Part Number: QDA32100
• Amperage Rating: 100 A
• Voltage Rating: 240 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Who should consider the Square D QDA32100

• Electricians upgrading residential, commercial, or light industrial panelboards and load centers
• Facility managers seeking reliable replacement breakers for ongoing maintenance
• Panel builders and integrators needing a compatible, ready-to-install protection solution

Why this design matters in real-world use

Choosing a plug-in molded case circuit breaker like the QDA32100 translates to operational efficiency and long-term reliability. The plug-in format minimizes panel downtime during installation or changes, while the 3-pole configuration provides coordinated protection for three-phase systems common in commercial and light industrial settings. This combination helps ensure safe, dependable power distribution without complicating future upgrades.

Practical tips and best-use scenarios

• Use in panelboards and load centers that explicitly support plug-in molded case breakers from Square D for a precise fit and optimal performance.
• Ideal for new installations where a clean, quick-install protection solution is beneficial, or during retrofit projects where minimizing panel downtime is a priority.
• Maintain a ready stock of compatible replacement breakers to streamline future service calls and reduce maintenance downtime.

With the Square D QDA32100, you’re equipping your electrical system with a robust, easily replaceable protection device that blends quick installation with dependable thermal-magnetic protection. It’s a practical, long-term solution for safeguarding your branch circuits in a range of environments while keeping installation and maintenance efficient.