Switchgear Supply
Supply of critical power switchgear with specification review, configuration guidance, compliance documentation, and rapid fulfillment to reduce delays, change orders, and field adjustments on commercial projects.
DEI Power delivers code-compliant commercial building power solutions designed to keep projects moving and facilities operating reliably. From engineered switchgear and service entrance equipment to fast fulfillment and technical support, we help contractors, engineers, and facility teams reduce downtime, avoid costly revisions, and maintain schedule certainty on demanding commercial and infrastructure projects.

Engineered power distribution solutions for commercial facilities, critical infrastructure, and complex electrical projects.
Supply of critical power switchgear with specification review, configuration guidance, compliance documentation, and rapid fulfillment to reduce delays, change orders, and field adjustments on commercial projects.
In-house design and engineering services for power distribution equipment, including schematics, coordinated layouts, component selection, and production-ready submittals built for compliance and installation efficiency.
Heavy-duty service entrance switchgear for commercial and industrial facilities, built with Siemens components and UL-listed assemblies for safe, reliable control of large electrical loads.
Remote power panels for high-density branch circuit distribution, offering scalable installation, advanced metering, and real-time visibility for data centers and critical building infrastructure.
Technical support for configuring switchgear layouts, ratings, and system integration, helping engineers and contractors align equipment with project requirements and long-term performance goals.
Custom low-voltage and high-capacity switchgear solutions manufactured to project specifications, supporting code compliance, streamlined approvals, and dependable operation in demanding environments.
DEI Power supports commercial building projects with switchgear, service entrance equipment, and engineering expertise tailored to demanding electrical systems. From early design through fulfillment, every solution is built around code compliance, dependable performance, and easier installation. With in-house manufacturing, Siemens OEM support, and rapid shipping, customers gain a practical partner for reducing risk, protecting uptime, and keeping projects on schedule.

See how dependable switchgear solutions help commercial projects stay compliant, efficient, and on schedule.
We help commercial projects move faster with dependable equipment, documentation, and support.
Over 10 years building reliable switchgear for commercial, industrial, and utility applications.
Ontario-based inventory and in-house production help reduce delays on time-sensitive electrical projects.
UL 891-certified solutions and Siemens OEM status support compliance, safety, and dependable performance.
Engineering guidance, submittals, and configuration help reduce revisions and streamline approvals nationwide.
Experienced specialists supporting complex commercial power projects.
DEI Power has spent more than a decade supporting commercial, industrial, and utility customers with dependable switchgear and power distribution solutions. Operating from a 50,000 sq. ft. facility in Ontario, California, the company combines manufacturing, fulfillment, and engineering support under one roof to help projects move from concept to installation with fewer delays. As an approved Siemens OEM, DEI Power focuses on precision-built, UL 891-certified equipment that simplifies purchasing and supports long-term reliability in the field. Their approach is centered on practical execution: clear documentation, accurate configurations, responsive support, and domestic manufacturing capabilities that help contractors, engineers, and facility teams keep critical building systems safe, compliant, and on schedule.
Siemens is widely known for industrial automation, electrical infrastructure, building technologies, and power distribution equipment used in commercial and industrial facilities worldwide. In this context, Siemens is especially recognized for dependable electrical components and engineered systems that support safe, code-compliant power distribution. DEI Power uses genuine Siemens components in approved OEM solutions to help customers achieve reliable performance, streamlined approvals, and long-term serviceability.
Talk with our team about specifications, lead times, and equipment options.
DEI Power supports commercial building projects nationwide with coordinated fulfillment, engineering guidance, and responsive service.
Nationwide
Service Area
24/7 Phone Support
Availability
Fast Shipping
Fulfillment
Confirm coverage and shipping support for your project site.
Verified compliance for low-voltage switchgear.
Approved manufacturer using Siemens components.
Supports domestic sourcing requirements.
Share your project requirements, specifications, or timeline and our team will help you identify the right solution.
For immediate assistance, feel free to give us a direct call at (866) 773-8050. You can also send us a quick email at sales@deipower.com.
For immediate assistance, feel free to give us a direct call at (866) 773-8050. You can also send us a quick email at sales@deipower.com.