Square D QGA32100 - 100 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D QGA32100 is a purpose-built 100A, 240V, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for installers who demand fast, reliable service, this unit is ready to drop into compatible OEM configurations with minimal downtime.

• Fast plug-in connection for quick installation and simple replacements, reducing panel downtime during upgrades or service calls.
• Thermal-magnetic trip unit provides stable, repeatable protection across varying temperatures and load conditions, helping prevent nuisance trips while safeguarding equipment.
• 3-pole, 100A at 240V design supports 3-phase circuits, making it ideal for commercial and light industrial systems as well as multi-wire residential setups.
• OEM-compatible by design, ensuring seamless compatibility with matching Square D load centers and panelboards to maintain electrical system integrity.
• Versatile applications suitable for residential, commercial, and light industrial environments where reliable overcurrent and short-circuit protection is essential.

Applications and use cases

Use the QGA32100 when you need a robust 3-pole solution for protecting branch circuits in panelboards and load centers. It’s a practical choice for replacing aging breakers in existing Square D installations or when you’re stocking a jobsites with a reliable, readily available component for 3-phase and single-panel setups. The plug-in format minimizes invasive work and keeps electrical systems running with minimal interruption.

Why it matters

• Designed to align with Square D’s engineering standards, giving you predictably coordinated tripping behavior and consistent performance across the protection curve.
• Plug-in installation reduces wiring complexity and downtime, making it easier to source and replace without extensive panel modification.
• 3-pole configuration supports synchronized protection for multi-phase systems, a critical requirement in many commercial and light industrial applications.

Technical specifications

• Manufacturer: Square D
• Part Number: QGA32100
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100A
• Voltage Rating: 240V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

For projects requiring reliable 3-pole protection with easy installation and OEM compatibility, the Square D QGA32100 delivers precise, dependable performance you can count on in the field.