The Schneider Electric Square D QONQ42MS300 is a main breaker load center designed for robust electrical distribution in commercial and industrial settings. This unit is part of the QO series, known for its reliability and ease of installation. It provides a centralized point for managing electrical circuits, ensuring safe and efficient power delivery to various loads.

Technical details

• Series: Square D QO
• Configuration: Main Breaker Load Center
• Amperage Rating: 300 Amps
• Voltage Rating: 240 VAC
• Number of Spaces: 42 circuit spaces
• Enclosure Type: Indoor, surface mount (verify mounting type against manufacturer datasheet)
• Phase: Single-phase, 3-wire (verify phase and wire configuration against manufacturer datasheet)
• Interrupting Rating: Consult manufacturer datasheet for specific interrupting rating (typically encoded in part number or separate spec sheet)

Applications & compatibility

This load center is suitable for a wide range of applications requiring a high-amperage main disconnect and distribution point. It is commonly found in commercial buildings, manufacturing facilities, and larger residential installations. The 42-space configuration allows for significant circuit expansion and customization to meet specific power distribution needs.

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 QONQ42MS300 or contact our technical team for cross-reference assistance with compatible QO series components.