Square D QO3151200 Circuit Breaker, 15A, 3-Pole, 240V

The Square D QO3151200 Circuit Breaker is a dependable, industrial-grade protection device designed for 3‑phase 240V power. With a 15A rating across 3 poles, this breaker is built to safeguard your electrical system during service, maintenance, and replacement projects while fitting seamlessly into Square D QO panel configurations.

Ideal for industrial service environments, this 15 A, 3‑pole breaker protects motors, feeders, and other 3‑phase equipment from overloads and short circuits. Its robust design supports demanding applications in manufacturing, processing facilities, and heavy-duty electrical layouts where reliable protection matters most.

• Exact compatibility: Part Number QO3151200 to confirm fit with your application. Verify fit by part number and application requirements.
• 3-pole, 240V configuration: Appropriate for 3‑phase circuits, ensuring balanced protection across all three lines.
• 15-amp rating: Provides precise protection for medium-load circuits, helping minimize downtime due to nuisance trips while maintaining safety margins.
• Trusted brand: Square D engineering and reliability, designed for industrial environments and long-term performance in service and maintenance workloads.

Specifications at a glance

• Manufacturer: Square D
• Part Number: QO3151200
• Product Type: Circuit Breaker
• Amperage: 15 A
• Poles: 3
• Voltage: 240 V

Use cases and practical applications

• Replacing a failed or worn breaker in existing Square D QO panels to restore protection quickly and safely.
• Protecting 3‑phase equipment such as motors, pumps, conveyors, and processing gear in industrial facilities.
• Part of routine maintenance to ensure panels remain compliant and capable of safely handling planned production loads.

Important note: Verify fit by part number and application requirements. Need help matching a part number or confirming compatibility? Message us and we'll help.