The Schneider Electric Square D QJA221252 is a molded case circuit breaker designed for robust electrical protection in AC systems. As part of the QJ series, this 2-pole breaker is rated for 240V and 125A, providing essential overcurrent and short-circuit protection for industrial machinery and control panels. Its construction ensures reliable operation in demanding environments.

Technical details

• Series: Square D QJ
• Type: Molded Case Circuit Breaker (MCCB)
• Poles: 2
• Voltage Rating: 240V AC
• Amperage Rating: 125A
• Interrupting Capacity: High (specific AIC rating to be confirmed via manufacturer datasheet)
• Frame Size: J-frame (indicated by 'J' in part number)
• Terminal Type: Lug terminals (standard for this frame size, verify with datasheet)

Applications & compatibility

This QJA221252 circuit breaker is commonly employed in power distribution panels, motor control centers, and as a primary disconnect for individual machines. It is suitable for applications requiring reliable protection in manufacturing facilities, such as on assembly lines, in material handling systems, and for HVAC equipment.

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 QJA221252 or contact our technical team for cross-reference assistance with compatible QJ series components.