400 Amp Service Entrance Switchgear NEMA 1/3R
- 400A service entrance, indoor or outdoor rated
- Genuine Siemens components for proven reliability
- UL Listed assembly meets utility specifications
UL 891 Certified
EUSERC Approved
Siemens Approved OEM
DEI Power's Integrated Power Systems Switchboards category encompasses UL 891-certified switchboards, switchgear, service entrance switchgear, and service entrance sections (SES) built with genuine Siemens components. Rated from 400A to 4000A across multiple voltages, these systems serve commercial, industrial, utility, and data center applications requiring dependable, code-compliant power distribution.
Talk to our product experts for custom solutions.
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An IFS (Integrated Power System) switchboard is a factory-assembled, UL 891-certified low-voltage distribution assembly that consolidates main overcurrent protection, branch circuit breakers, and metering into a single enclosure. It serves as the central point for receiving utility power and distributing it to downstream loads in commercial, industrial, and utility applications.
Talk to our experts for custom solutions and tailored guidance.
Switchboards and service entrance gear power large commercial facilities requiring safe, code-compliant load distribution.
Heavy-duty switchgear controls and protects large electrical loads in manufacturing plants and processing facilities.
EUSERC-approved service entrance switchgear meets strict utility specifications for substations and infrastructure projects.
High-capacity switchgear up to 4000A ensures uninterrupted power delivery for hyperscale and enterprise data centers.
Talk to our experts for custom solutions and tailored guidance.
As an approved Siemens OEM, DEI Power manufactures UL 891-certified switchboards using genuine Siemens components, ensuring precision-engineered reliability and full code compliance on every order.
With in-house manufacturing at a 50,000 sq. ft. facility in Ontario, CA, DEI Power delivers faster builds, fewer delays, and free shipping in 3–5 business days to keep your project on schedule.
From initial configuration to post-installation, DEI Power provides dedicated project support, technical specialists, and clear documentation to reduce change orders and field adjustments on every project.
Submit your project specs and a DEI Power specialist will respond with 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.
