Switchgear Supply
Supply of critical power switchgear with specification review, configuration guidance, compliance documentation, and fast fulfillment to reduce delays, downtime, and field adjustments on industrial projects.
DEI Power delivers engineered power distribution solutions for industrial automation and manufacturing environments where uptime, safety, and scalable infrastructure matter most. From Siemens-integrated switchgear to in-house engineering support, we help facilities reduce downtime, streamline approvals, and keep production moving with code-compliant equipment, fast fulfillment, and dependable technical guidance.

Engineered power distribution products and support services for manufacturing, industrial, and mission-critical electrical applications.
Supply of critical power switchgear with specification review, configuration guidance, compliance documentation, and fast fulfillment to reduce delays, downtime, and field adjustments on industrial projects.
Collaborative design and engineering services covering schematics, CAD layouts, component coordination, code review, and production-ready documentation for reliable power distribution systems.
Heavy-duty service entrance switchgear for commercial and industrial facilities, built with Siemens components and UL-listed assemblies for dependable protection, maintenance access, and long-term performance.
High-density remote power panels that improve branch circuit distribution, monitoring visibility, and scalable expansion for data centers, manufacturing operations, and critical infrastructure.
Technical support for custom layouts, ratings, and system integration to help engineers and contractors specify switchgear correctly and achieve smoother installation outcomes.
Low- and high-capacity switchgear solutions configured for demanding industrial loads, coordinated protection, and scalable infrastructure across manufacturing and utility environments.
Industrial automation and manufacturing facilities depend on stable, code-compliant power distribution to avoid costly interruptions. DEI Power supports that need with Siemens-integrated switchgear, custom-engineered configurations, and responsive technical guidance. Whether you are upgrading infrastructure, supporting expansion, or replacing critical equipment, our team helps simplify procurement, speed approvals, and deliver dependable systems built for long-term serviceability.

See how dependable equipment and responsive support help keep critical projects moving forward.
We combine manufacturing capability, technical expertise, and responsive support for critical power projects.
Over ten years building reliable switchgear for industrial, commercial, and utility power systems.
Ontario warehouse inventory and in-house production help reduce delays on time-sensitive electrical projects.
Approved Siemens OEM status supports trusted components, accurate configurations, and dependable system performance.
UL 891-certified solutions with documentation support help streamline approvals and reduce project risk.
Experienced specialists supporting complex power distribution projects.
DEI Power has spent more than a decade helping contractors, engineers, and facility teams secure dependable switchgear for demanding industrial and commercial applications. Operating from a 50,000 sq. ft. facility in Ontario, California, the company manufactures and assembles UL 891-certified switchboards and related power distribution equipment with a strong focus on speed, accuracy, and long-term reliability. Over time, DEI Power expanded beyond manufacturing to provide in-house engineering support, custom configurations, and rapid fulfillment for mission-critical projects across the country. As an approved Siemens OEM, the team is committed to delivering code-compliant solutions that simplify purchasing, reduce schedule risk, and support safe, efficient operation in environments where uptime is essential.
Siemens serves a wide range of industrial markets with technologies for automation, electrification, digitalization, controls, and power distribution. In industrial settings, Siemens products are commonly used to support manufacturing operations, facility infrastructure, energy management, and system reliability. DEI Power integrates Siemens components into switchgear solutions to help customers achieve dependable performance, code compliance, and easier system coordination.
Talk with our team about specifications, lead times, and equipment options.
DEI Power supports industrial and commercial power distribution projects with nationwide service and coordinated fulfillment.
Nationwide
Service Area
24/7 Phone Support
Availability
Ontario, CA
Fulfillment Hub
Confirm availability and discuss your project requirements today.
Verified low-voltage switchgear compliance.
Authorized Siemens component integration.
Domestic production supports compliant sourcing.
Share your project details, specifications, or equipment needs, 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.