Part of the robust Square D QO series, this 2-pole miniature circuit breaker is engineered for reliable circuit protection in demanding environments. The QOB240PL is specifically designed for applications requiring a 40-amp rating at 120/240 volts, offering dependable performance for essential electrical distribution systems.

Technical details

• Series: Square D QO
• Poles: 2
• Amperage Rating: 40 A
• Voltage Rating: 120/240 VAC
• Mounting Type: Bolt-on
• Interrupting Capacity: High (verify specific AIC rating against manufacturer datasheet for critical applications)
• Terminal Type: Screw terminals (verify wire gauge compatibility against manufacturer datasheet)
• Trip Mechanism: Thermal-magnetic (typical for this series, verify against manufacturer datasheet)

Applications & compatibility

This circuit breaker is commonly utilized in residential electrical panels, commercial building sub-panels, and light industrial control circuits. Its 2-pole configuration makes it suitable for single-phase circuits requiring overcurrent protection for both hot conductors, such as those found in HVAC systems, water heaters, or motor loads up to its rated capacity.

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 QOB240PL or contact our technical team for cross-reference assistance with compatible Square D QO components.