Approved OEM Siemens
We specialize in UL 891 switchgear and custom panelboards built with uncompromising precision. Our focus on quality, speed, and engineering excellence ensures every project is completed with reliability, efficiency, and guaranteed fast lead times.
We specialize in switchgear manufacturing that combines certified quality, fast lead times, and engineering expertise
We specialize exclusively in UL891-certified low voltage switchgear—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.
We are a Siemens OEM Approved Partner, delivering UL Certified switchgear built for safety, reliability, and compliance.


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 — 600A, 800A, 1200A, 1600A, 2000A, 2500A, 3000A, and 4000A.
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 upgrade legacy systems with modern, efficient technology to improve safety and performance.
We offer reliable warranty coverage and dedicated support to keep your systems running smoothly.
Have questions? Our team is here to help with expert support and quick answers.
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 upgrade legacy systems with modern, efficient technology to improve safety and performance.
We offer reliable warranty coverage and dedicated support to keep your systems running smoothly.
Have questions? Our team is here to help with expert support and quick answers.
We deliver precision-engineered low voltage solutions with certified quality, speed, and reliable support. Our skilled technicians and engineers provide customer-focused service with efficient, sustainable processes. Every product undergoes rigorous testing and quality assurance to ensure dependable performance.
Each switchboard 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 specifications.
Get expert consultation through every stage, ensuring consistent communication and dependable results.
We manufacture low voltage switchgear built for your project’s demands, delivering reliable code compliant solutions with unmatched speed and performance.
High-performance electrical switchgear built for uptime & scalability
Efficient systems keeping production lines powered without downtime
Scalable power systems driving logistics, operations, and customer service
Custom electrical switchgear enhancing safety, efficiency, and tenant comfort
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.
Empowering industries with customized low voltage switchgear—engineered to deliver efficient, reliable control in today’s most complex electrical systems.
High-performance electrical switchgear built for uptime & scalability
Efficient systems keeping production lines powered without downtime
Scalable power systems driving logistics, operations, and customer service
Custom electrical switchgear enhancing safety, efficiency, and tenant comfort
We manufacture low voltage switchgear built for your project’s demands, delivering reliable code compliant solutions with unmatched speed and performance.
High-performance electrical switchgear built for uptime & scalability
Efficient systems keeping production lines powered without downtime
Scalable power systems driving logistics, operations, and customer service
Custom electrical switchgear enhancing safety, efficiency, and tenant comfort
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.
Get the reliability, speed, and compliance your project demands. Our low voltage switchgear and custom panels are built in California to meet strict codes and tight deadlines. Contact us today to request a quote and secure panels engineered to perform where it matters most.
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.
North America, Mexico & Canada
We ship across the U.S., Canada, and Mexico. Whether you’re in a metro area or remote location, our network ensures your heavy or high-value equipment moves quickly—without delays, customs issues, or added stress.
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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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?
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