Square D QBA221751 175A 2P 240V Circuit Breaker | AmpState

Meet the Square D QBA221751—a 175 A, 2-pole, 240 V circuit breaker designed to deliver dependable protection in panelboards, load centers, and electrical distribution networks. Available from AmpState, this unit is the smart choice when a direct part-number match matters for maintenance, spare inventory, or new installations.

• Exact fit for Square D installations: 2-pole, 240 V, 175 A rating built to slot into compatible panelboards and load centers that support QBA-series breakers.
• Robust protection for 240 V feeders: Safeguards high-current circuits feeding motors, HVAC equipment, and other large loads from overcurrent and short circuits.
• Strategic inventory for uptime: Keep a precise part-number replacement on hand to cut downtime and accelerate service calls with confidence.
• Trusted reliability from a leading brand: Square D by Schneider Electric delivers consistent performance and broad compatibility across electrical distribution systems.
• Practical use cases: Ideal for panel builders and service teams that standardize on 2P 240 V protection in commercial or industrial settings.

Key specifications: Part Number: QBA221751; Amperage: 175 A; Poles: 2; Voltage: 240 V; Type: Circuit Breaker; Manufacturer: Square D.

Why this matters for your project or service operation: selecting the exact part-number match minimizes compatibility risk, reduces need for adapters, and streamlines inventory management. This breaker is built to stabilize electrical distribution by reliably interrupting fault currents on 240 V circuits, helping protect wiring, equipment, and personnel.

If you’re unsure about fit, AmpState offers compatibility assistance to confirm whether this QBA221751 matches your panelboards or load centers. Message us and our team will verify fit and help you finalize the right part for your application.