
1000 Amp Service Entrance Switchgear NEMA 1/3R
- 1000A service entrance, multi-voltage
- NEMA 1 indoor & 3R outdoor enclosures
- UL 891 & EUSERC Approved compliance
UL 891 Certified
EUSERC Approved
Siemens Approved OEM
DEI Power offers a comprehensive range of low voltage switchboards and switchgear for North Carolina commercial, industrial, and utility applications. Products include switchboards, service entrance switchgear, and SES units from 400A to 4000A, built with genuine Siemens components, UL 891 certified, and available in NEMA 1 or NEMA 3R enclosures.
































































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A low voltage switchboard is a free-standing electrical distribution assembly that receives incoming power and distributes it to multiple branch circuits. Operating at voltages up to 600V (commonly 120/240V, 208Y/120V, or 480V), it houses circuit breakers, busbars, and metering equipment. In commercial and industrial facilities, switchboards are the central hub for managing, protecting, and controlling large electrical loads safely and efficiently.
Talk to our experts for custom solutions and tailored guidance.

Switchboards and switchgear power main distribution, tenant metering, and critical load control in offices and campuses.

Heavy-duty switchgear manages large electrical loads and critical systems in manufacturing plants and processing facilities.

EUSERC-approved service entrance switchgear supports utility substations, grid infrastructure, and power generation systems.

UL 891-certified switchgear delivers reliable, high-capacity power distribution for hyperscale and enterprise data centers.
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As an approved Siemens OEM operating a 50,000 sq. ft. facility, DEI Power delivers precision-engineered switchgear with strict quality control and faster lead times than third-party assemblers.
Every switchboard and switchgear unit is UL 891 certified and EUSERC approved, ensuring full code compliance for North Carolina utility and commercial electrical projects without change orders.
DEI Power ships most orders within 1 business day with free shipping, delivering UL-listed switchgear to North Carolina job sites in 3–5 business days to keep your project on schedule.
Submit your project specs and a DEI Power specialist will respond with pricing, configuration guidance, and lead time details 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.