Square D | QBM32100 | Circuit Breaker | 3-Pole | 240V

Square D QBM32100 is a 3-pole, 240-volt circuit breaker designed for dependable protection in 3-phase electrical systems. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker helps keep critical equipment online with minimal downtime.

Why choose the QBM32100?

• Three-pole design supports balanced 3-phase circuits at 240V, delivering reliable overcurrent protection across all phases.
• Exact part reference with part number QBM32100 to ensure compatibility with Square D panels and installations requiring this specific model.
• Versatile applications ideal for maintenance routines, retrofit upgrades, and replacement deployments while preserving your electrical architecture.
• Easy verification Always confirm fit and ratings before ordering; the part number is your best reference for compatibility.

Use cases and ideal scenarios

• Replacing a failed or outdated 3-pole 240V breaker in a compatible Square D panel.
• Retrofit projects where existing cabling and panel layout align with a 3-pole, 240V solution.
• Maintenance cycles for commercial or industrial environments that rely on consistent 3-phase protection, such as manufacturing lines, large HVAC installations, or processing equipment.

How to ensure compatibility

To achieve a reliable match, use the QBM32100 part number as your primary reference. Verify that the panel’s labeling and catalog data align with a 3-pole, 240V configuration before purchasing, ensuring seamless integration with your existing electrical system.

Designed for professionals who require precise, dependable protection in 3-phase environments, the Square D QBM32100 delivers straightforward, go-to replacement readiness while maintaining the integrity of your electrical distribution.