
1000 Amp Service Entrance Switchgear NEMA 1/3R
- 1000A service entrance, UL 891 certified
- Multi-voltage: 120/240V to 480Y/277V
- NEMA 1 or 3R enclosure for any install
UL 891 Certified
Siemens Approved OEM
EUSERC Approved
DEI Power's Main Electrical Distribution Panels category covers a comprehensive range of primary power hubs including switchgear, switchboards, panelboards, meter mains, service entrance switchgear, service entrance sections, and remote power panels. Built with genuine Siemens components, UL 891 certified, and EUSERC approved, these solutions serve commercial, industrial, utility, and data center applications from 400A to 4000A.





































































































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The main electrical panel is commonly referred to as the main distribution panel, main breaker panel, or service entrance panel. In commercial and industrial contexts, it may also be called switchgear, a switchboard, or a meter main depending on its configuration and function. These primary power hubs receive utility power and distribute it to branch circuits throughout a facility.
Talk to our experts for custom solutions and tailored guidance.

Primary power hubs for office complexes, retail centers, and campuses requiring reliable large-scale electrical load distribution.

Heavy-duty switchgear and switchboards for industrial plants managing large electrical loads and continuous operation demands.

High-capacity switchgear and remote power panels supporting hyperscale data centers, AI compute halls, and colocation deployments.

EUSERC-approved service entrance switchgear and meter mains engineered to meet utility specifications for infrastructure projects.
Talk to our experts for custom solutions and tailored guidance.
Every panel is built with genuine Siemens components as an approved OEM, ensuring code compliance, system compatibility, and long-term reliability on every project.
With a 50,000 sq. ft. facility in Ontario, California and in-stock inventory, most orders ship within 1 business day — keeping your project on schedule without extended lead times.
Over a decade building UL 891-certified power distribution solutions for commercial, industrial, utility, and data center projects with dedicated technical and project support.
Submit your requirements and a DEI Power specialist will respond promptly with pricing, lead times, and technical guidance tailored to your project.
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.