Custom Switchgear
Built-to-spec switchgear for critical power projects with rating guidance, enclosure selection, compliance documentation, and coordinated configurations that reduce field adjustments and schedule risk.
Get custom electrical distribution panels engineered for your exact layout, voltage, enclosure, and compliance requirements. DEI Power supports contractors, engineers, and facility teams with UL 891-certified solutions, fast fulfillment, and clear submittals that help reduce delays, change orders, and installation issues on critical power projects.

Engineered power distribution solutions for commercial, industrial, utility, and mission-critical applications.
Built-to-spec switchgear for critical power projects with rating guidance, enclosure selection, compliance documentation, and coordinated configurations that reduce field adjustments and schedule risk.
Heavy-duty service entrance switchgear from 400 to 4000 amps, assembled with Siemens components and designed for code-compliant, reliable power distribution in demanding facilities.
High-density remote power panels for branch circuit distribution, offering scalable expansion, integrated monitoring, and service-friendly access for data centers and critical infrastructure.
Application-focused engineering support helps align layouts, ratings, and integration details with project requirements for smoother installation and dependable long-term performance.
Collaborative design and engineering services develop production-ready schematics, coordinated layouts, and submittals that support approval, fabrication, and installation accuracy.
Specification-reviewed switchgear supply with faster fulfillment, nationwide shipping coordination, and documentation support for contractors and procurement teams managing time-sensitive jobs.
Custom electrical distribution panels from DEI Power are designed around your project requirements, not off-the-shelf limitations. From amperage and voltage to enclosure type and documentation, each solution is configured for reliable integration, code compliance, and long-term serviceability. With in-house engineering, domestic manufacturing, and rapid fulfillment support, DEI Power helps keep critical projects moving with fewer revisions and less downtime risk.

See how engineered distribution solutions help critical facilities stay on schedule and operate reliably.
DEI Power combines engineering precision, manufacturing control, and responsive project support for demanding power distribution applications.
Panels are configured to your layout, voltage, enclosure, and application requirements for cleaner field integration.
Ontario-based inventory and in-house production help reduce delays on time-sensitive commercial and industrial projects.
UL 891-certified solutions and Siemens OEM approval support dependable performance and documentation confidence.
Engineering guidance, submittals, and configuration review help teams avoid change orders and installation setbacks.
Experienced specialists behind every custom power solution.
DEI Power has spent more than a decade supporting commercial, industrial, and utility projects with reliable custom switchgear and power distribution equipment. Operating from a 50,000 sq. ft. facility in Ontario, California, the company combines in-house manufacturing, engineering support, and fulfillment capabilities to keep complex projects moving. Their team focuses on building UL 891-certified solutions that match exact job requirements while simplifying submittals, approvals, and installation planning. As an approved Siemens OEM, DEI Power brings technical precision and dependable component integration to every build. The company’s vision is to deliver code-compliant, serviceable electrical distribution systems that reduce risk, support uptime, and give contractors, engineers, and facility teams greater confidence from design through deployment.
DEI Power supports a range of custom power distribution solutions, including low-voltage switchgear, service entrance switchgear, remote power panels, and related engineered assemblies. Configurations can be tailored to project requirements such as amperage, voltage, enclosure type, component selection, and installation conditions. The goal is to deliver equipment that fits the application, supports code compliance, and integrates cleanly in the field.
Talk with our team about specs, lead times, and documentation.
DEI Power supports customers across the U.S. with coordinated fulfillment and responsive project assistance.
Nationwide
Service Area
24/7 Phone Access
Availability
Ontario, CA
Fulfillment Hub
Confirm shipping, lead times, and support for your location.
Certified for compliant low-voltage switchgear.
Approved integration with Siemens components.
Domestic production supports sourcing requirements.
Share your project requirements, ratings, and timeline. Our team will review specifications and help you identify the right custom power distribution 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.