Switchgear Supply
Source UL 891-compliant switchgear with specification review, enclosure guidance, submittal support, and coordinated fulfillment to reduce change orders, downtime, and schedule risk on critical commercial projects.
DEI Power helps commercial and industrial teams source, configure, and integrate code-compliant power distribution equipment with engineering support and financing options available. From Ontario, California fulfillment to nationwide project coordination, we help reduce schedule risk, simplify approvals, and keep critical facilities powered with reliable switchgear, service entrance equipment, and custom distribution solutions.

Integrated switchgear, engineering, and distribution solutions for commercial, industrial, utility, and mission-critical power projects.
Source UL 891-compliant switchgear with specification review, enclosure guidance, submittal support, and coordinated fulfillment to reduce change orders, downtime, and schedule risk on critical commercial projects.
Develop production-ready power distribution layouts, schematics, and coordinated equipment selections that support code compliance, practical installation, and long-term serviceability across complex electrical systems.
Integrate heavy-duty service entrance switchgear from 400A to 4000A for commercial and industrial facilities requiring dependable protection, utility coordination, and reliable power distribution.
Work with DEI Power’s team to configure layouts, ratings, and system integration details that align with project requirements, existing infrastructure, and installation conditions.
Deploy remote power panels for high-density branch circuit distribution in data centers and critical environments needing scalable expansion, monitoring visibility, and service-friendly access.
Specify low- and high-capacity switchgear solutions built around voltage, enclosure, load, and jobsite requirements for commercial, industrial, and infrastructure applications.
Commercial power distribution integration is about more than supplying equipment—it’s about getting the right system, documentation, and support in place before delays happen. DEI Power combines in-house engineering, UL 891-certified equipment, and rapid fulfillment from Ontario, California to help contractors, engineers, and facility teams streamline approvals, support domestic sourcing requirements, and maintain dependable performance in demanding environments.

See how commercial teams reduce delays and improve reliability with integrated power distribution solutions.
DEI Power delivers technical accuracy, dependable equipment, and responsive support for complex commercial power distribution projects.
UL 891-certified solutions support safer, code-compliant integration across demanding commercial and industrial applications.
Ontario, California inventory and in-house production help shorten lead times for time-sensitive nationwide projects.
As an approved Siemens OEM, DEI Power provides precise component coordination and dependable system performance.
Engineering guidance helps contractors and facility teams reduce field adjustments, delays, and documentation issues.
Experienced specialists supporting complex power distribution projects nationwide.
DEI Power has spent more than 10 years helping commercial, industrial, and utility customers solve complex power distribution challenges with dependable switchgear and engineering support. Operating from a 50,000 sq. ft. facility in Ontario, California, the company combines manufacturing, fulfillment, and technical coordination under one roof to keep projects moving. That local operational base supports faster deployment across the West Coast while serving customers nationwide with consistent documentation, responsive communication, and code-focused solutions. DEI Power’s vision is to simplify purchasing and reduce project risk by delivering power distribution systems that are engineered accurately, built for long-term reliability, and supported by a team that understands how critical uptime, approvals, and schedule certainty are in real-world commercial environments.
The four commonly referenced power distribution system types are radial, loop, network, and secondary selective systems. Each serves different reliability and redundancy needs. Commercial facilities often choose based on load criticality, maintenance access, utility coordination, and expansion plans. Integrators help match the right configuration with switchgear, protection, and service entrance equipment so the system performs safely and efficiently.
Talk with our team about specs, lead times, and financing.
DEI Power supports commercial power distribution projects nationwide with coordinated fulfillment, engineering support, and responsive service.
Nationwide
Service Area
24/7 Contact
Support Access
Ontario, CA
Fulfillment Hub
Confirm service availability and shipping support for your location.
Certified for compliant low-voltage switchgear.
Approved manufacturer using Siemens components.
Supports domestic sourcing project requirements.
Share your project scope, equipment needs, and timeline. Our team will review specifications, answer technical questions, and help you move toward the right integrated 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.