Square D Q1B315 Circuit Breaker, 15A, 3-Pole, 240V

Meet the Square D Q1B315 Circuit Breaker — a rugged, industrial-grade 15 A, 3-pole, 240V protective device designed for demanding service, maintenance, and replacement projects. Built by Square D, this breaker delivers reliable interruption when faults occur, helping to protect motors, drives, and other heavy-duty loads while minimizing unplanned downtime.

Designed for 3‑phase systems, the Q1B315 provides balanced protection across all conductors, making it an ideal choice for manufacturing floors, processing lines, and facilities with energized equipment operating at 240V. Its robust construction is purpose-built for the harsh environments and rigorous schedules of industrial electrical service.

Why this Q1B315 stands out

• Three-pole design optimized for 3‑phase circuits, ensuring coordinated protection across all phases
• 15 A rating suited for control circuits, small-to-medium loads, and motor-related applications
• 240V operation compatible with common industrial power distribution configurations
• Trusted brand Square D, a long-standing name in industrial electrical protection
• Exact part number Q1B315 to confirm precise fit in compatible panels and applications
• Ideal for maintenance and replacement projects where reliable, drop-in protection is required

How to use and verify compatibility

Always verify fit by part number and application requirements. Use Q1B315 to confirm compatibility with your panelboard, voltage, and load characteristics. If you’re unsure about fit or replacement options, we can help—simply message us to confirm compatibility and get guidance tailored to your installation.

Who will benefit

Electrical maintenance teams, plant engineers, facility managers, and procurement specialists responsible for panel modernization or downtime-critical equipment will appreciate the reliability and traceable compatibility of this Square D circuit breaker. It’s a practical choice when upgrading legacy setups or stocking spare parts for proactive maintenance programs.

Product specifications at a glance

• Manufacturer: Square D
• Part Number: Q1B315
• Product Type: Circuit Breaker
• Amperage: 15 A
• Poles: 3
• Voltage: 240V

Upgrade or replace with confidence. The Square D Q1B315 delivers dependable protection for your industrial circuits, backed by a clear compatibility check and dedicated support if you need help confirming fit for your specific application.