Approved OEM Siemens

Switchgear manufacturing without the wait

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

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Why Choose Us

We are your trusted partner in low voltage switchgear

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.

Approved OEM Siemens & UL 891 certified

We are a Siemens OEM Approved Partner, delivering UL Certified switchgear built for safety, reliability, and compliance.

Specifications

Configurations we offer

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.

Voltages (1 Phase & 3 Phase)

Amperages

Reliable power solutions for data centers & crypto mining

Services We Offer

Empowering your growth with smart and scalable power solutions

At DEI Power, we blend cutting-edge technology with engineering expertise to build reliable electrical infrastructure that evolves with your business.

Services We Offer

Empowering your growth with smart and scalable power solutions

At DEI Power, we blend cutting-edge technology with engineering expertise to build reliable electrical infrastructure that evolves with your business.

Why Choose Us

Designed for your project & delivered with quality

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.

UL 891 Certified

Each switchboard is engineered and tested to UL891 standards for safety, performance, and lasting reliability.

Custom solutions

Tailored to your project’s needs, our switchgear delivers precision, performance, and full compliance with your specifications.

Reliable support

Get expert consultation through every stage, ensuring consistent communication and dependable results.

Industries We Serve

Low voltage switchgear engineered for every industry

We manufacture low voltage switchgear built for your project’s demands, delivering reliable code compliant solutions with unmatched speed and performance.

Try Our Panel Builder

Customize your panel board in just a few clicks

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.

Industries We Serve

Low voltage switchgear engineered for every industry

Empowering industries with customized low voltage switchgear—engineered to deliver efficient, reliable control in today’s most complex electrical systems.

Data Centers

High-performance electrical switchgear built for uptime & scalability

Manufacturing Plants

Efficient systems keeping production lines powered without downtime

Retail & Distribution

Scalable power systems driving logistics, operations, and customer service

Commercial Buildings

Custom electrical switchgear enhancing safety, efficiency, and tenant comfort

Industries We Serve

Low voltage switchgear engineered for every industry

We manufacture low voltage switchgear built for your project’s demands, delivering reliable code compliant solutions with unmatched speed and performance.

Service You Trust

Fast, friendly support when you need it

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.

24/7 support access

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.

Remote diagnostics

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.

Simple claims process

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.

Contact Us

Power your project with our custom tailored low voltage switchgear

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.

Fastest lead times

Fastest lead times guaranteed with local manufacturing

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.

About Us

Contact Us

Office Location

1745 S. Bon View Ave
Ontario CA 91761

Contact Info

Phone: +1 (866) 645-1281
Email: sales@deipower.com

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