Square D Q1B350 Circuit Breaker, 50A, 3-Pole, 240V

The Square D Q1B350 50A, 3-Pole, 240V circuit breaker is built for industrial electrical service, maintenance, and replacement projects. By choosing the Q1B350, you're selecting a genuine component designed to protect circuits and equipment in demanding environments while helping keep downtime to a minimum.

• Part Number: Q1B350
• Manufacturer: Square D
• Amperage: 50 A
• Poles: 3
• Voltage: 240 V
• Applications: industrial service, maintenance, and replacement projects
• Compatibility note: Verify fit by part number and application requirements; if you need help matching a part number or confirming compatibility, message us and we'll help.

Why this 3-pole, 240V design matters in practice:

• Three-pole configuration supports standard 3-phase electrical systems common in manufacturing floors and distribution panels, providing coordinated protection across all phases.
• 50 ampere rating offers robust protection for motor loads and branch circuits, helping prevent wiring damage and nuisance trips from overloads in industrial environments.
• Designed to integrate with Square D electrical systems, ensuring compatibility with existing panels, breakers, and accessories built for 3-phase protection.

Ideal use cases include:

• Upgrading or replacing aging breakers in industrial service panels
• Protecting motor circuits and control panels in manufacturing lines
• Maintenance projects where reliable, quick replacement parts are essential

Practical tips for choosing and using the Q1B350:

• Always confirm the fit by cross-referencing the exact part number (Q1B350) with your panel's labeling and the system's voltage requirement (240V).
• Check the overall system design to ensure a 3-phase, 240V supply; this breaker is specifically suited for such configurations.
• Keep a spare Q1B350 on hand as part of preventive maintenance to reduce downtime during service events.

Need help verifying compatibility or matching this part number to your equipment? Send us a message, and our team will assist you in confirming fit, ensuring correct replacement strategy, and validating electrical requirements.