Switchgear Supply
Specification-driven switchgear supply with configuration guidance, compliance documentation, and rapid fulfillment to reduce delays, change orders, and field adjustments on critical power projects.
DEI Power delivers industrial switchgear services and solutions built for uptime, compliance, and faster project execution. From engineered configurations to rapid fulfillment out of Ontario, California, we help contractors, engineers, and facility teams secure reliable power distribution equipment with clear documentation, domestic manufacturing options, and responsive technical support for critical applications.

Engineered switchgear products and support services for industrial, commercial, utility, and critical power applications.
Specification-driven switchgear supply with configuration guidance, compliance documentation, and rapid fulfillment to reduce delays, change orders, and field adjustments on critical power projects.
Collaborative design and engineering services covering layouts, schematics, component coordination, code review, and production-ready submittals for reliable power distribution equipment.
Heavy-duty service entrance switchgear for demanding facilities, available across broad amperage and voltage ranges with UL-listed assemblies and service-friendly layouts.
Low-voltage switchgear solutions engineered for safe distribution, scalable integration, and easier maintenance in commercial and industrial electrical systems.
High-capacity switchgear built for larger loads, coordinated protection, and dependable performance in industrial plants, campuses, and critical infrastructure environments.
Responsive engineering support for custom layouts, ratings, and system integration, helping teams specify the right switchgear for installation and long-term performance.
Industrial switchgear projects demand more than equipment alone. DEI Power combines product supply, in-house engineering support, and documentation accuracy to help teams reduce risk from submittal through installation. With rapid fulfillment from a 50,000 sq. ft. Ontario, California facility and UL 891-certified solutions, customers get dependable configurations, domestic manufacturing options, and support tailored to uptime-critical environments.

See how dependable switchgear solutions help critical facilities stay on schedule and powered.
We help power projects move faster with dependable equipment and knowledgeable support.
UL 891-certified solutions support safer, code-compliant installations across demanding industrial power applications.
Ontario, California inventory and in-house production help reduce lead times for time-sensitive projects.
As an approved Siemens OEM, DEI Power delivers precise configurations and dependable component integration.
Serving customers nationwide with engineering guidance, documentation, and responsive project coordination from quote to delivery.
Experienced specialists supporting critical power projects nationwide.
DEI Power has spent more than a decade supporting commercial, industrial, and utility customers with reliable switchgear solutions. 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 performance. Their growth into a full-service solutions provider reflects a practical understanding of what contractors, engineers, and facility teams need most: clear documentation, dependable lead times, and responsive technical support. Backed by approved Siemens OEM status and domestic manufacturing capabilities, DEI Power works to simplify procurement, reduce project risk, and keep critical electrical systems moving from design through delivery.
Industrial switchgear is electrical distribution equipment that controls, protects, and isolates power systems in facilities with significant electrical loads. It typically includes breakers, bus systems, protective devices, and enclosures designed to manage incoming and outgoing power safely. In industrial settings, switchgear supports uptime, coordinated protection, maintenance access, and code-compliant operation across manufacturing plants, infrastructure, and critical facilities.
Talk with our team about specifications, lead times, and project support.
DEI Power supports industrial switchgear projects nationwide with fulfillment, engineering guidance, and coordinated delivery for critical facilities.
Nationwide Coverage
Service Area
24/7 Phone Availability
Support Access
Ontario, California
Fulfillment Hub
Contact us to confirm coverage and project logistics.
Verified compliance for low-voltage switchgear.
Authorized OEM integration and support.
Domestic production supports sourcing requirements.
Share your project requirements, specifications, and timeline. Our team will review your needs and help identify the right switchgear solution and support path.
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.