Square D MG14882 Circuit Breaker, 100A, 2-Pole, 240V

The Square D MG14882 is a rugged 100A, 2-pole circuit breaker designed for demanding industrial service, maintenance, and replacement projects. Built to protect 240V circuits, it sits in the on-panel protection lineup as part of the trusted QO series, delivering reliable overcurrent interruption when it’s needed most.

Key compatibility and fitment details you can rely on:

Part number accuracy matters. Use MG14882 to confirm compatibility with your specific panel and application requirements. This breaker is commonly associated with the On Circuit Breaker QO series, so matching the part number to your panel is the quickest way to ensure a clean, safe install.

Need help matching a part number or confirming compatibility? Message us and we'll help with verification and guidance to prevent delays in your project.

Why this MG14882 is the right choice for industrial environments

• 100 amp, 2-pole, 240V configuration tailored for higher-load industrial circuits, providing robust protection without compromising space in crowded panels.
• QO series compatibility—designed to integrate with Square D panels that support the On Circuit Breaker QO lineup, helping ensure reliable protection across your electrical system.
• Focused use cases—ideal for service upgrades, routine maintenance, and timely replacements in manufacturing facilities, warehouses, or other industrial settings where dependable overcurrent protection is essential.
• Part-number-driven certainty—verifying the MG14882 part number against your application reduces the risk of mismatches and unnecessary downtime.

Practical guidance for installation and use

• Before installation, confirm that your panel supports a 2-pole, 240V device and that the MG14882 matches the intended circuit rating for safe operation.
• Cross-check wiring requirements and panel labeling to ensure correct orientation and termination according to your facility’s standards.
• For ongoing reliability, replace with an exact MG14882 part when servicing or upgrading circuits that feed critical loads, minimizing rework and compatibility questions.
• If you’re unsure about compatibility, reach out with your panel model and application details so we can verify fitment quickly.

Designed for professionals who demand precise compatibility and dependable protection, the Square D MG14882 100A 2-pole 240V circuit breaker helps keep industrial electrical systems safer and more resilient. Use the part number MG14882 to verify fit, and trust the QO-series lineage to support your maintenance and replacement workflows.