
1000 Amp Service Entrance Switchgear NEMA 1/3R
- 1000A capacity for critical power systems
- Genuine Siemens components throughout
- NEMA 1 & 3R enclosures, multi-voltage rated
UL 891 Certified
EUSERC Approved
Siemens Approved OEM
DEI Power's commercial panelboards provide reliable power distribution for buildings across commercial, industrial, and utility applications. Built with genuine Siemens components and UL-listed assemblies, these panelboards are available in NEMA 1 and NEMA 3R enclosures with amperage options from 400A to 4000A and multiple voltage configurations to meet diverse project requirements.



















































































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Commercial panelboard pricing varies based on amperage, voltage configuration, enclosure type (NEMA 1 or NEMA 3R), and certifications required. DEI Power's panelboards range from 400A to 4000A across multiple voltages. All pricing is available on request — contact a specialist for a fast, project-specific quote tailored to your load requirements and utility specs.
Talk to our experts for custom solutions and tailored guidance.

Power distribution panelboards for offices, retail centers, and mixed-use buildings requiring safe load control.

Heavy-duty panelboards supporting large electrical loads and continuous operations in industrial plants.

EUSERC-approved panelboards built to utility specifications for substations and critical infrastructure projects.

Reliable, code-compliant panelboards protecting critical power loads in data centers and healthcare facilities.
Talk to our experts for custom solutions and tailored guidance.
Every panelboard is assembled with genuine Siemens components as an approved OEM, ensuring code-compliant performance and long-term dependability in demanding environments.
With a 50,000 sq. ft. facility in Ontario, CA, DEI Power ships most panelboard orders within 1 business day, reducing schedule risk on time-sensitive projects.
From configuration guidance to post-installation serviceability, DEI Power's specialists provide hands-on support at every project phase to reduce change orders and field adjustments.
Submit your project details and a DEI Power specialist will respond with pricing, 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.