The Schneider Electric Square D Q422400AB is a molded case circuit breaker designed for robust electrical system protection. This 2-pole unit is part of the Q Frame series, commonly utilized in commercial and industrial power distribution panels. It operates at a nominal voltage of 240VAC and is rated for 400 amps, making it suitable for managing significant electrical loads.

Technical details

• Series: Square D Q Frame
• Poles: 2
• Voltage Rating: 240VAC
• Current Rating: 400 Amps
• Interrupting Capacity: 25kA at 240VAC
• Frame Size: Q4 (indicated by the '4' in the part number)
• Terminal Type: Lug (standard for this frame size, verify with datasheet)
• Mounting Type: Panel mount (standard for this frame size, verify with datasheet)

Applications & compatibility

This circuit breaker is engineered for use in electrical distribution systems requiring reliable overcurrent protection. It is commonly found in applications such as main service disconnects, feeder protection, and branch circuit protection within manufacturing facilities, data centers, and commercial buildings. Ensure compatibility with your specific panelboard or switchgear by consulting the manufacturer's specifications.

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 Q422400AB or contact our technical team for cross-reference assistance with compatible Q Frame components.