Here are the items that we found.

Schneider Electric Square D QONQ42MS400
The Schneider Electric Square D QONQ42MS400 is a premium panelboard interior designed for high-capacity electrical distribution systems. This 400A main breaker load center, part of the QO series, offers a compact and versatile solution for demanding applications. Its robust co...
Lead time
24h
Typical quote turnaround on in-stock items
Warranty
24 months
Coverage on eligible surplus and refurbished inventory
Inventory network
5M+
Parts across brands, PLCs, drives, sensors and motors
Request pricing for stock confirmation, condition and freight options
Trusted sellerGet a fast quote
Description
The Schneider Electric Square D QONQ42MS400 is a premium panelboard interior designed for high-capacity electrical distribution systems. This 400A main breaker load center, part of the QO series, offers a compact and versatile solution for demanding applications. Its robust construction ensures reliable power management in commercial and industrial environments.
Technical details
- Series: Square D QO
- Main Breaker Rating: 400A
- Number of Circuit Spaces: 42
- Configuration: Load Center Interior
- Voltage Class: Verify with manufacturer datasheet for specific voltage ratings (e.g., 240V, 480V).
- Amperage Rating: 400A
- Enclosure Type: Designed for use within compatible Square D panelboards.
- Interrupting Rating: Verify with manufacturer datasheet for specific interrupting capacity.
- Dimensions: Verify with manufacturer datasheet for precise physical dimensions.
Applications & compatibility
This panelboard interior is commonly utilized in commercial buildings, manufacturing facilities, and power distribution centers requiring a centralized and high-amperage load management solution. It is designed to integrate seamlessly with compatible Square D QO series enclosures and circuit breakers, ensuring a complete and reliable electrical system.
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 QONQ42MS400 or contact our technical team for cross-reference assistance with compatible QO series components.
Shipping & returns
Shipping & returns
We can ship via UPS, FedEx, and USPS. We can ship on customers' accounts as well. International delivery available via UPS and DHL. In stock items typically ship same day.
All products (new, refurbished, and repairs) are covered by the Industrial Automation Company's 2 Year Warranty. Manufacturer's Warranty does not apply.
Reliable Mission-Critical Support from a Certified Veteran-Owned Business
Verified stock, fast quotes, and expert support from a trusted veteran-owned business.