Switchgear Manufacturers

Low Voltage Expertise You Can Count On

At DEI Power, we are laser-focused on delivering UL891 certified low voltage switchboards—and nothing else. Our singular focus ensures unmatched quality, faster delivery times, and deep expertise that you can rely on every project.

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Why Choose DEI?

Your partner in low voltage excellence

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Services We Offer

Empowering Your Growth with both Scalable & Smart Power Solutions

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

Design & engineering services

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What is included in the service?

Custom panel manufacturing

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What is included in the service?

Custom busbar manufacturing

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What is included in the service?

Warranty & support

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What is included in the service?

Retrofitting & upgrades

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What is included in the service?

Questions?

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Why Choose Us

Driven by Your Needs, Powered by DEI

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Try Our Panel Builder

Customize your panel board in just a few clicks

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Industries We Serve

Engineered for every industry

Our UL891 Switchboards are engineered with precision to deliver outstanding performance in the most demanding commercial and industrial environments spanning multiple industries. Each system is designed for optimal efficiency, reliability, and ease of maintenance regardless of what industry you are operating in.

Data centers

Commercial buildings

Renewable energy sites

Utilities & energy

Industrial plants

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.

Testimonials

Built right & proven in the field by our customers

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

What Is a Custom Panelboard—and Do You Need One?

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Resources

Industries

What Is a Custom Panelboard—and Do You Need One?

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