Square D QO2150 - 150 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D QO2150, a dependable 2-pole plug-in molded case circuit breaker designed to shield your electrical system with precision. Rated at 150 amps and 240 volts, this device is built to partner with compatible OEM panelboards and load centers, delivering fast installation and reliable protection for demanding residential, commercial, and light industrial applications. Available through AmpState, it’s the trusted choice when you need a sturdy, ready-to-install protection solution.

Why choose the QO2150 for your panel

• Quick plug-in installation — snap-in mounting and a secure plug-in connection streamline replacement and upgrades, minimizing downtime.
• Thermal-magnetic protection — the trip unit provides stable, repeatable protection against overloads and short circuits, reducing nuisance trips while ensuring safety.
• 2-pole, 240V design — ideal for 240V circuits and multi-wire branch circuits that require simultaneous disconnection, supporting major appliances and feeders.
• OEM-compatible reliability — engineered to work seamlessly with matching Square D load centers and panelboards for coordinated performance and safety.
• Durable molded case construction — built to endure typical panelboard environments while delivering consistent electrical protection.

Ideal use cases

Perfect for upgrading or stocking replacement breakers in residential subpanels, commercial panels, or light industrial installations where a 150A, 240V, 2-pole plug-in breaker is required. Use it to protect branch circuits serving large appliances, HVAC systems, or critical feeders that demand dependable short-circuit and overcurrent protection.

Technical snapshot

• Manufacturer: Square D
• Part Number: QO2150
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 150A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Practical guidance for best results

Choose the QO2150 when you need robust, fast-acting protection that aligns with your existing Square D QO panel ecosystem. For installations and maintenance, rely on a licensed electrician to ensure proper fit, torque, and compatibility with your specific panel model. When you order from AmpState, you’re getting a genuine Square D solution designed to deliver consistent performance across years of service.