The Schneider Electric Square D QON12LS400 is a 400A main lug only (MLO) load center designed for robust electrical distribution in demanding environments. This panelboard is part of the QO series, known for its reliability and ease of installation in commercial and industrial settings. Its single-phase configuration supports high-capacity power distribution.

Technical details

• Series: Square D QO
• Configuration: Main Lug Only (MLO)
• Amperage Rating: 400A
• Voltage Rating: Typically 240V AC single-phase (verify with manufacturer datasheet for specific model variations)
• Number of Spaces: 12 (QON12 indicates 12 spaces)
• Enclosure Type: Indoor, surface mount (verify with manufacturer datasheet)
• Short Circuit Current Rating (SCCR): Suitable for heavy-duty applications (specific rating to be confirmed via manufacturer datasheet)
• Wire Entry: Top and bottom (verify with manufacturer datasheet)
• Busbar Material: Aluminum (verify with manufacturer datasheet)

Applications & compatibility

This load center is commonly specified for applications requiring substantial power distribution, such as in manufacturing facilities, large commercial buildings, and agricultural operations. It serves as a central distribution point for branch circuits and is compatible with a wide range of Square D QO circuit breakers and accessories.

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 QON12LS400 or contact our technical team for cross-reference assistance with compatible QO series components.