The Schneider Electric Square D QOB340VH5273 is a miniature circuit breaker designed for robust electrical system protection. As part of the QOB series, this 3-pole breaker is engineered for reliable performance in demanding industrial environments. It offers a substantial 22kA interrupt capacity, ensuring safety and preventing damage to downstream equipment during fault conditions.

Technical details

• Series: Square D QOB
• Poles: 3
• Current Rating: 40A
• Voltage Rating: 120/240VAC
• Interrupt Capacity: 22kA
• Mounting Type: Bolt-on
• Terminal Type: Ring terminals
• Model Designation: QOB340VH5273

Applications & compatibility

This circuit breaker is suitable for a wide range of applications including motor control circuits, lighting panels, and general power distribution in commercial and industrial facilities. Its 3-pole configuration makes it ideal for three-phase systems, commonly found in manufacturing plants, processing facilities, and building management systems.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D QOB340VH5273 or contact our technical team for cross-reference assistance with compatible QOB series components.