Switchgear Supply
Supply support for critical power projects with specification review, configuration guidance, compliance documentation, and faster fulfillment to reduce schedule risk and field adjustments.
DEI Power supplies and supports commercial electrical equipment built for dependable power distribution, faster fulfillment, and code-ready documentation. From switchgear and service entrance equipment to engineering support, our team helps contractors, engineers, and facility teams reduce downtime, avoid costly field changes, and keep critical projects moving with confidence.

Code-compliant power distribution equipment and engineering support for commercial, industrial, and critical infrastructure applications.
Supply support for critical power projects with specification review, configuration guidance, compliance documentation, and faster fulfillment to reduce schedule risk and field adjustments.
Collaborative design and engineering services covering schematics, layouts, component coordination, code review, and production-ready submittals for power distribution equipment.
Heavy-duty service entrance switchgear for commercial and industrial facilities, built for reliable load control, code compliance, and easier long-term maintenance.
Low-voltage switchgear engineered for flexible integration, dependable distribution, and service accessibility across commercial buildings, manufacturing sites, and data centers.
High-capacity switchgear designed for demanding environments that require coordinated protection, stable distribution, and scalable infrastructure for continuous operation.
Remote power panels for high-density branch circuit distribution, offering scalable expansion, monitoring visibility, and service-friendly performance in critical environments.
DEI Power helps commercial and industrial buyers source electrical equipment that is engineered for safety, compliance, and long-term performance. With UL 891-certified solutions, Siemens OEM support, and in-house engineering guidance, customers get clearer submittals, fewer change orders, and faster turnaround on time-sensitive projects. Whether you need switchgear, service entrance equipment, or RPPs, the focus stays on uptime, installation efficiency, and dependable operation.

See how commercial teams rely on dependable equipment, documentation, and fulfillment support for critical power projects.
Commercial buyers choose DEI Power for speed, accuracy, and dependable electrical equipment support.
UL 891-certified equipment supports safer installations, approvals, and dependable long-term electrical performance.
Ontario warehouse inventory and rapid shipping help reduce downtime and keep urgent projects moving.
In-house guidance improves configuration accuracy, documentation quality, and installation readiness from the start.
Approved Siemens OEM status supports trusted components, consistent quality control, and reliable system integration.
Experienced specialists supporting critical power equipment projects.
DEI Power has spent more than 10 years helping commercial, industrial, and utility customers secure dependable switchgear and power distribution equipment. Operating from a 50,000 sq. ft. facility in Ontario, California, the company combines manufacturing, fulfillment, and engineering support under one roof to improve speed and consistency. Over time, DEI Power has expanded from switchgear manufacturing into a broader power distribution solutions provider, supporting contractors, engineers, and facility teams with custom configurations, code-ready documentation, and responsive project coordination. The company’s vision is simple: make complex electrical equipment procurement easier, safer, and more predictable by delivering reliable products, accurate guidance, and schedule-focused support for projects where uptime and compliance matter most.
Commercial electrical services involve the design, supply, configuration, installation support, and maintenance of electrical systems used in business, industrial, and institutional facilities. In DEI Power’s case, that includes switchgear, service entrance equipment, remote power panels, and engineering support that help contractors and facility teams manage power safely, meet code requirements, and maintain reliable operation in demanding environments.
Talk with our team about specs, lead times, and support.
DEI Power supports commercial electrical equipment projects nationwide with fast shipping and responsive coordination.
Nationwide
Service Area
24/7 Phone Support
Availability
Fast Shipping
Fulfillment
Ask about shipping, support, and project coordination today.
Recognized compliance for low-voltage switchgear.
Approved manufacturer using genuine Siemens components.
Domestic assembly supporting sourcing compliance needs.
Share your project requirements, equipment needs, or documentation questions 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.