
1000 Amp Service Entrance Switchgear NEMA 1/3R
- 1000A service entrance switchgear rated
- Multi-voltage from 120/240V to 480V
- UL 891 certified & EUSERC approved
UL 891 Certified
Siemens Approved OEM
EUSERC Approved
DEI Power's Data Center Switchgear category offers UL 891-certified switchboards, switchgear, and service entrance equipment built with genuine Siemens components. Rated from 400A to 4000A across multiple voltages, these NEMA 1/3R assemblies deliver mission-critical power distribution for data centers, colocation facilities, commercial, industrial, and utility applications.





























































Talk to our product experts for custom solutions.
Apply Filters






Showing 1 to 6 of 61 results
DEI Power offers switchgear, switchboards, and service entrance equipment in amperage ratings of 400A, 600A, 800A, 1000A, 1200A, 1600A, 2000A, 2500A, 3000A, and 4000A. This wide range covers everything from smaller commercial service entrances to large-scale hyperscale data center and industrial power distribution applications.
Talk to our experts for custom solutions and tailored guidance.

Mission-critical switchgear from 400A to 4000A powers hyperscale and enterprise data centers with zero-downtime reliability.

Heavy-duty switchboards and switchgear protect and distribute power for large electrical loads in industrial plant operations.

Service entrance switchgear and switchboards ensure dependable power delivery for multi-tenant buildings and commercial campuses.

EUSERC-approved service entrance switchgear meets utility specifications for substations and critical infrastructure power systems.
Talk to our experts for custom solutions and tailored guidance.
As an approved Siemens OEM, every switchgear assembly uses genuine Siemens components, ensuring code compliance, field reliability, and seamless integration on every project.
In-house switchgear manufacturing at our 50,000 sq. ft. Ontario, CA facility means faster builds, fewer delays, and free shipping delivered to your jobsite in 3–5 business days.
All products are UL 891 certified for low-voltage switchgear applications and meet UBC, CBC, and IBC seismic zone requirements, reducing risk for mission-critical installations nationwide.
Submit your project specs 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.