At DEI Power, we are laser-focused on delivering UL891 certified low voltage switchgear—and nothing else. Our singular focus ensures unmatched quality, faster delivery times, and deep expertise that you can rely on every project.
At DEI Power, we are laser-focused on delivering UL891 certified low voltage switchgear—and nothing else.
to discover more
When you choose DEI Power, you’re choosing a partner fully committed to reliability, safety, and performance—without compromise.
We specialize exclusively in UL891-certified low voltage switchboards—and that focus makes all the difference. While larger manufacturers spread wide, we go deep, delivering precision-built systems with faster turnarounds, and lasting performance.
When you choose DEI Power, you’re choosing a partner fully committed to reliability, safety, and performance—without compromise.
We specialize exclusively in UL891-certified low voltage switchboards—and that focus makes all the difference. While larger manufacturers spread wide, we go deep, delivering precision-built systems with faster turnarounds, and lasting performance.
At DEI Power, we blend cutting-edge technology with engineering expertise to build reliable electrical infrastructure that evolves with your business.
Our engineers provide detailed, compliant electrical designs to support accurate and efficient system design
We build custom electrical panels tailored to your specs with full code compliance and quality assurance.
We build custom busbars manufactured for efficient, safe, and space-saving power distribution.
We offer reliable warranty coverage and dedicated support to keep your systems running smoothly.
We upgrade legacy systems with modern, efficient technology to improve safety and performance.
Have questions? Our team is here to help with expert support and quick answers.
At DEI Power, we specialize in precision-engineered low voltage solutions, delivering certified quality, speed, and support you can trust. What sets us apart is our team of highly qualified technicians and engineers, our commitment to collaborative, customer-focused service, and our emphasis on efficient, sustainable processes. Every product we deliver undergoes rigorous quality assurance and testing to ensure performance and reliability you can count on.
We don’t just build electrical systems—we build trust. With a team committed to precision, responsiveness, and lasting performance, we ensure every project is backed by expertise you can count on. When you need dependable low voltage solutions, we’re ready to deliver.
Each switchboard is precisely engineered and tested to meet UL891 standards, ensuring safety, performance, and long-term reliability in demanding environments.
Specifically designed to meet the unique needs of your project, our custom-engineered solutions offer precision and performance to ensure every detail aligns with your exact specifications.
Receive expert consultation at every stage of the project lifecycle; ensuring consistent, informed guidance and dependable support you can count on.
Design the right solution for your project with our easy-to-use Panel Builder tool. Select your specifications, configure features, and generate a custom layout. Whether you’re planning a new installation or updating an existing system, our tool simplifies the process and helps you get accurate results fast. Start building today and bring your panelboard vision to life.
DEI Power supports a wide range of sectors with tailored low voltage solutions built to meet the demands of complex electrical environments.
From commercial buildings and manufacturing facilities to utilities, transportation hubs, and data centers, our systems are designed for performance, safety, and long-term reliability. No matter the industry, we deliver the same level of precision, compliance, and responsiveness to every project.
We understand that in mission-critical environments, downtime isn’t an option. That’s why we offer reliable, responsive support from our in-house engineers and customer service team. Whether you need quick troubleshooting or help coordinating repairs, we’re here to assist — with service that matches the quality of our products.
Get expert help any time with round-the-clock phone and email support. Our team is ready to troubleshoot issues quickly and keep your power systems running without delay.
We provide fast, remote troubleshooting to identify and solve problems before they escalate. It’s proactive support designed to keep your operations powered and productive.
No red tape — just results. Submit your warranty issue, and we’ll respond fast with repair, replacement, or resolution to get your system back online without hassle.
“Working with DEI Power has been a game-changer for our operations. Their custom panelboards are expertly built, and the in-house bus bar manufacturing gives them a level of precision and flexibility that’s hard to find elsewhere. From engineering to delivery, their team was responsive, knowledgeable, and committed to getting every detail right. We’ll absolutely be partnering with DEI Power again.”
“Working with DEI Power has been a game-changer for our operations. Their custom panelboards are expertly built, and the in-house bus bar manufacturing gives them a level of precision and flexibility that’s hard to find elsewhere. “
“Pierre really took the time to understand what we needed and made sure every detail was right. The custom panelboard was solid, cleanly wired, and built exactly to spec. It dropped right into place without a hitch. You can tell they take pride in their work. We’ll definitely be coming back for future projects.”
“Pierre really took the time to understand what we needed and made sure every detail was right. The custom panelboard was solid, cleanly wired, and built exactly to spec.”
“We’ve worked with a few manufacturers before, but no one does bus bars like DEI Power. The bends were precise, the plating was clean, and everything lined up exactly the way we needed. Pierre helped us fine-tune a few tricky dimensions, and the final product saved us hours in the field. Solid team, excellent results.”
“We’ve worked with a few manufacturers before, but no one does bus bars like DEI Power. The bends were precise, the plating was clean, and everything lined up exactly the way we needed.”
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) 645-1281
1745 S. Bon View Ave Ontario CA 91761
sales@deipower.com
Terms | Privacy | +1 (866) 645-1281 | sales@deipower.com
© 2025 DEI Power Solutions, LLC. All Rights Reserved.
What Is a Custom Panelboard—and Do You Need One?
5 Signs Your Facility Needs a Panelboard Upgrade
Office Location
1745 S. Bon View Ave
Ontario CA 91761
Contact Info
Phone: +1 (866) 645-1281
Email: sales@deipower.com
What Is a Custom Panelboard—and Do You Need One?
5 Signs Your Facility Needs a Panelboard Upgrade
What Is a Custom Panelboard—and Do You Need One?
5 Signs Your Facility Needs a Panelboard Upgrade
