
Switchgear
- UL 891 certified, Siemens Approved OEM
- Covers 400A–4000A, 7 voltage options
- In-house build ensures faster delivery
UL 891 Certified
EUSERC Approved
Siemens Approved OEM
DEI Power's 2000A Main Distribution Panelboards — 3 Phase include Meter Mains, Panelboards, Switchboards, Switchgear, Service Entrance Sections, and Service Entrance Switchgear. UL 891 certified and built with genuine Siemens components, these units serve commercial, industrial, and utility applications with NEMA 1 and 3R enclosure options.






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DEI Power's 3-phase main distribution panelboards are available in a wide range of amperage ratings: 400A, 600A, 800A, 1000A, 1200A, 1600A, 2000A, 2500A, 3000A, and 4000A. This range accommodates light commercial applications through heavy industrial and utility-scale power distribution needs.
Talk to our experts for custom solutions and tailored guidance.

Heavy-duty 3-phase panelboards providing reliable main power distribution for office buildings, retail centers, and campuses.

Switchgear and switchboards controlling large electrical loads in factories, processing plants, and production facilities.

EUSERC-approved service entrance switchgear and meter mains built to utility specifications for infrastructure projects.

UL 891 certified switchgear delivering continuous, high-capacity power distribution for hyperscale and enterprise data centers.
Talk to our experts for custom solutions and tailored guidance.
As an approved Siemens OEM, every panelboard and switchgear assembly uses genuine Siemens components, ensuring code compliance and long-term reliability.
Built in our 50,000 sq. ft. Ontario, CA facility, our in-house manufacturing process delivers faster builds, fewer delays, and free shipping in 3–5 business days.
From configuration guidance to post-installation assistance, our specialists reduce change orders and keep mission-critical power projects on schedule.
Submit your requirements and a DEI Power specialist will respond with configuration guidance and pricing tailored to your project specs.
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.