DEI Power Solutions designs and manufactures a 400 amp service entrance switchboard in stock to deliver reliable primary power distribution for commercial buildings and light industrial facilities. As the first point of electrical entry, this switchboard provides dependable main disconnect protection while supporting organized and efficient power distribution throughout the facility.
DEI Power Solutions designs and manufactures a 400 amp service entrance switchboard in stock to deliver reliable primary power distribution for commercial buildings and light industrial facilities. As the first point of electrical entry, this switchboard provides dependable main disconnect protection while supporting organized and efficient power distribution throughout the facility.
Our 400 amp switchboards start at $9,000, including free shipping and fast delivery in 3–5 business days. Factory-direct pricing ensures competitive costs without distributor markups, built to UL standards and ready for your project.
With reliable performance and precision engineering, we ensure your electrical systems are supported with the exact power capacity you need. We offer complete switchgear solutions including ranging from 400 to 4000 amps.
Engineered for Heavy-Duty Applications
Each 400 amp service entrance switchboard in stock is engineered to handle continuous electrical loads while effectively managing available fault current. This performance-driven design promotes stable operation, minimizes downtime, and supports long-term reliability for daily commercial use.
Safety and Code Compliance
Safety is built into every 400 amp service entrance switchboard in stock. DEI designs meet NEC and UL requirements, incorporating secure main disconnect functionality, controlled access points, and enhanced protection for personnel and downstream electrical equipment.
Scalable and Project-Ready
DEI Power Solutions offers both standard configurations and custom-engineered 400 amp service entrance switchboards in stock to meet site-specific conditions, utility standards, and future expansion needs. This flexibility ensures proper fit and performance across a wide range of applications.
Service entrance switchboards rated at 400 amps support balanced load distribution, effective fault isolation, and dependable service entrance operation for commercial power systems operating under varying demand conditions.
Each switchgear is engineered and tested to UL891 standards for safety, performance, and lasting reliability
Tailored to your project’s needs, our switchgear delivers precision, performance, and full compliance with your specs
Get expert consultation through every stage, ensuring consistent communication and dependable results
Service entrance switchboards rated at 400 amps support balanced load distribution, effective fault isolation, and dependable service entrance operation for commercial power systems operating under varying demand conditions.
Supports continuous high-load electrical distribution for critical data center infrastructure.
Rapid fault detection and isolation minimize outage impact and protect downstream equipment.
Designed to support N+1 and 2N power distribution strategies.
Modular lineup design allows future expansion without major electrical system changes.
Built to meet UL, NEC, and applicable electrical safety standards.
Clear layouts and access points simplify commissioning, maintenance, and troubleshooting.
A 1000 amp service entrance switchboard in stock is more than a distribution component—it forms the foundation of a safe, scalable electrical infrastructure. Contact DEI Power Solutions today to request pricing or discuss a customized solution for your project.
Emergency and overnight shipping
We deliver California-manufactured switchgear with the quickest turnaround times in the industry. By keeping production local, we eliminate delays and ensure faster delivery statewide. Our streamlined process guarantees UL 891 certified low voltage switchgear arrives on schedule, ready for installation.
Whether you’re looking for backup power systems, industrial energy storage, or sustainable energy consulting, we’re ready to support your project needs. Be as specific as possible so we can connect you with the right expert.
+1 (866) 773-8050
1745 S. Bon View Ave Ontario CA 91761
sales@deipower.com
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© 2025 DEI Power Solutions, LLC. All Rights Reserved.
Office Location
1745 S. Bon View Ave
Ontario CA 91761
Contact Info
Phone: +1 (866) 645-1281
Email: sales@deipower.com
