The Schneider Electric Square D Q422400AC is a molded case circuit breaker designed for robust overcurrent protection in industrial electrical systems. This 400 Amp, 240 Volt breaker is part of the Q422400 series, offering reliable circuit interruption for demanding applications where safety and uptime are paramount.

Technical details

• Series: Square D Q422400
• Type: Molded Case Circuit Breaker (MCCB)
• Amperage Rating: 400A
• Voltage Rating: 240VAC
• Number of Poles: 4 (implied by the '4' in Q422400AC, common convention for 4-pole breakers in this series)
• Interrupting Rating: To confirm the specific interrupting rating (e.g., kA), please consult the manufacturer's datasheet for the Q422400AC model.
• Terminal Type: Standard screw terminals for power connections.
• Mounting Type: Panel mount, designed for installation in switchboards and distribution panels.

Applications & compatibility

This circuit breaker is commonly employed in main distribution panels, sub-panels, and as a branch circuit protector in heavy industrial settings. It is suitable for protecting equipment and circuits in manufacturing plants, data centers, and commercial buildings where reliable power distribution and fault protection are critical.

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 Q422400AC or contact our technical team for cross-reference assistance with compatible Square D components.