
Switchgear
- In-house build for faster, reliable delivery
- 400A to 4000A, UL 891 certified assembly
- Siemens Approved OEM, EUSERC compliant
UL 891 Certified
EUSERC Approved
Siemens Approved OEM
DEI Power's outdoor electrical distribution panels include meter mains, panelboards, switchboards, switchgear, service entrance sections, and service entrance switchgear. Built with genuine Siemens components, UL 891 certified, and available in NEMA 3R weather-resistant enclosures, these panels serve commercial, industrial, and utility applications across the USA.






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DEI Power's outdoor electrical distribution panels are available in NEMA 1 (indoor) and NEMA 3R (outdoor weather-resistant) enclosures. The NEMA 3R rating provides protection against rain, sleet, and ice formation, making these panels suitable for outdoor installation in demanding environments across commercial, industrial, and utility applications.
Talk to our experts for custom solutions and tailored guidance.

Outdoor-rated panels manage high-demand power distribution for office buildings, retail centers, and campuses.

Heavy-duty switchgear and switchboards protect large electrical loads in processing plants and manufacturing facilities.

EUSERC-approved service entrance equipment meets utility-grade standards for substations and infrastructure projects.

UL 891-certified switchgear ensures continuous uptime and code compliance for enterprise and hyperscale data centers.
Talk to our experts for custom solutions and tailored guidance.
Our 50,000 sq. ft. Ontario, CA facility enables in-house builds with industry-leading lead times and free shipping in 3-5 business days.
As an approved Siemens OEM, every panel is built with genuine components and certified to UL 891 standards for code-compliant, reliable performance.
From custom specs to post-installation support, our in-house engineers and dedicated project team keep your project on schedule and within compliance.
Submit your project details and a DEI Power specialist will respond with configuration guidance, compliance documentation, and pricing.
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.