1200 Amp SES NEMA 1/3R
- 1200A with multi-voltage configurations
- UL Listed, UL 891 & EUSERC certified
- Seismic compliant for all IBC/UBC zones
UL 891 Certified
Siemens Approved OEM
EUSERC Approved
DEI Power's custom panelboards are built-to-order electrical panel solutions engineered for commercial, industrial, and utility applications. Available from 400A to 4000A across multiple voltage configurations, these UL 891-certified panels feature genuine Siemens components, NEMA 1 or 3R enclosures, and seismic compliance for demanding environments.
Talk to our product experts for custom solutions.
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Custom panelboard pricing depends on amperage, voltage configuration, NEMA enclosure rating, and seismic compliance requirements. DEI Power's panelboards range from 400A to 4000A across multiple voltage options. All pricing is available on request — contact our team for a fast, project-specific quote tailored to your exact specifications and delivery timeline.
Talk to our experts for custom solutions and tailored guidance.
Custom panelboards power lighting, HVAC, and tenant loads in offices, retail centers, and mixed-use facilities.
Heavy-duty panelboards manage large electrical loads and critical production systems in manufacturing plants and processing facilities.
EUSERC-approved panelboards meet utility service entrance requirements for substations, grid infrastructure, and public works projects.
UL 891-certified panelboards support structured branch circuit distribution for data centers, colocation facilities, and healthcare environments.
Talk to our experts for custom solutions and tailored guidance.
Every panelboard is built with genuine Siemens components as an approved OEM, ensuring code compliance, trusted reliability, and long-term serviceability on every project.
With in-house manufacturing at our 50,000 sq. ft. Ontario, CA facility, most orders ship within 1 business day — keeping your project on schedule and reducing costly delays.
Custom panelboards configured to your exact voltage, amperage, enclosure type, and seismic zone requirements — with dedicated project support from quote to delivery.
Submit your project requirements and a DEI Power specialist will respond with a detailed quote, configuration guidance, and lead time confirmation.
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.