Square D | QDA221502 | Circuit Breaker | 150A | 2-Pole | 240V

Meet the Square D QDA221502 Circuit Breaker — a trusted, exact-spec solution for heavy-duty 150‑amp, 2‑pole protection in 240‑volt circuits. Engineered for maintenance, retrofit, and replacement projects, this unit keeps critical equipment safeguarded with the precise characteristics your panel requires.

Key specifications

• Amperage: 150 A
• Poles: 2-Pole
• Voltage: 240 V

Why the exact part matters — When you're servicing or upgrading a panel, using the exact part number is the fastest path to reliable compatibility. The QDA221502 is the definitive reference for matching Square D panels that require a QDA-style, 2‑pole 240‑volt breaker, minimizing trial-and-error and downtime.

Ideal use cases

• Replacing a failed or out-of-spec 150A, 2‑pole breaker in a Square D distribution panel.
• Retrofits that need to upgrade or reconfigure a 240V circuit with a robust, high-current protection device.
• Maintenance scenarios where you must restore full circuit protection quickly with a unit designed for compatible Square D systems.

What sets it apart

• Brand reliability: Square D is known for dependable electrical protection, and this breaker aligns with that reputation for long-term performance.
• Exact-spec compatibility: The part number QDA221502 is the best reference for ensuring the breaker fits the intended panel and meets the required ratings.
• Clear application scope: Specifically designed for 240V circuits in setups that demand a 150A, 2‑pole configuration, making it a precise fit for heavy-duty branch circuits and commercial equipment protection.

Practical guidance for installers

• Before ordering, confirm fit and ratings against your panel model and load requirements; the part number is your best compatibility reference.
• Use this breaker for 240V circuits that require reliable, high-current interruption on both hot legs in a two-pole arrangement.
• Keep in mind this is a replacement-grade component intended for use in systems that specify the QDA series and 150A rating.

Secure the right protection for your panel and critical loads with the Square D QDA221502. Add it to your cart to ensure you have an exact, ready-to-install solution that aligns with your maintenance, retrofit, or replacement project.