240V Switchgear NEMA 1/3R
- 240V switchgear, scalable amperage options
- NEMA 1 or 3R enclosure flexibility
- UL Listed & EUSERC Approved assembly
UL 891 Certified
EUSERC Approved
Siemens Approved OEM
DEI Power's outdoor switchgear category features weatherproof NEMA 3R and indoor NEMA 1 medium and low-voltage units including switchgear, switchboards, panelboards, service entrance switchgear, and SES assemblies. Built with genuine Siemens components, UL 891 certified, and EUSERC approved, these units serve commercial, industrial, and utility power distribution applications across amperage ranges from 400A to 4000A.
Talk to our product experts for custom solutions.
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Indoor switchgear uses NEMA 1 enclosures designed for protected interior environments with no exposure to moisture or contaminants. Outdoor switchgear uses NEMA 3R enclosures, which are weatherproof and rated for rain, sleet, and external ice formation. DEI Power offers both NEMA 1 and NEMA 3R configurations across all switchgear, switchboard, SES, and panelboard product lines.
Talk to our experts for custom solutions and tailored guidance.
NEMA 3R outdoor switchgear and switchboards provide reliable service entrance power for office campuses and retail centers.
Heavy-duty switchboards and panelboards rated up to 4000A handle large electrical loads in manufacturing and processing facilities.
EUSERC-approved service entrance switchgear and SES units support utility substation and infrastructure power distribution projects.
High-amperage switchgear from 800A to 4000A supports critical uptime requirements in hyperscale and enterprise data center facilities.
Talk to our experts for custom solutions and tailored guidance.
DEI Power manufactures switchgear in-house at a 50,000 sq. ft. Ontario, CA facility, enabling faster builds, fewer delays, and industry-leading lead times.
Every unit is built with genuine Siemens components and certified to UL 891 standards, ensuring code compliance, long-term reliability, and utility approval.
From configuration guidance to post-installation support, DEI Power's specialists ensure accurate specs, minimal change orders, and uninterrupted project timelines.
Submit your project details and a DEI Power specialist will respond with accurate configuration guidance and pricing within one business day.
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.