Square D Q2M2150MT Circuit Breaker, 150A, 2-Pole, 240V

The Square D Q2M2150MT is a rugged, industrial-grade circuit breaker designed to safeguard heavy-duty electrical systems. With a 150 A rating and 2-pole construction, it provides reliable overload and short-circuit protection for 240 V circuits in demanding environments.

Key features and benefits

• Part of Square D's trusted Q2M line, engineered for durability in industrial service, maintenance, and replacements.
• 150 ampere capacity ensures robust protection for feeders and equipment in commercial or light-industrial panels.
• 2-pole design provides simultaneous interruption of both hot conductors, enhancing safety and trip coordination.
• 240 V operation matches standard industrial distribution systems, enabling straightforward integration into existing panels.
• Part number Q2M2150MT is the precise reference to verify compatibility with your electrical panel and application requirements.

Why this part matters for your project

Whether you're upgrading an aging panel, replacing a blown breaker, or equipping a new installation, the Q2M2150MT helps keep critical systems online with predictable, code-compliant protection. By matching the exact part number, you ensure proper fit, mounting style, and trip characteristics appropriate for industrial circuits.

Compatibility and installation considerations

• Always verify fit by part number (Q2M2150MT) and application requirements before purchase.
• Confirm voltage rating (240 V) and the 2-pole configuration align with your panel board or motor control center feeders.
• Check panel labeling for compatible breaker family and bus connection method.
• For help matching a part number to your exact application, send us a message and our team will assist.

Use cases

• Industrial service panels requiring reliable 150 A protection for feeders and large motors.
• Maintenance replacements in manufacturing facilities where downtime is costly.
• Retrofits in control panels that demand a rugged, high-current, 2-pole breaker.

Care and maintenance tips

Periodically inspect the breaker for signs of wear, overheating, or corrosion. Keep the terminations clean and ensure tight torque on the lugs per manufacturer guidelines. Replace any breaker that shows degraded insulation or trip inconsistently.

Need help verifying compatibility or locating the exact fit for your application? Message us and we’ll help confirm that Q2M2150MT is the correct match for your panel or MCC configuration.