UL 891 Certified

UL 891 Certified

EUSERC Approved certified

EUSERC Approved

Siemens Approved OEM certified

Siemens Approved OEM

Square D 3000 Amp Switchgear & Switchboards

DEI Power's Square D 3000 Amp Switchgear & Switchboards category encompasses UL 891-certified, Siemens-component-built power distribution assemblies rated from 400A to 4000A. Available in NEMA 1 and NEMA 3R enclosures, these units serve commercial, industrial, and utility applications requiring dependable, code-compliant electrical infrastructure.

600 Amp Switchboard NEMA 1/3R
4000 Amp SES NEMA 1/3R
Switchgear
2500 Amp SES NEMA 1/3R
1000 Amp Switchboard NEMA 1/3R
Service Entrance Switchgear NEMA 1/3R
400 Amp SES NEMA 1/3R
Switchboard NEMA 1/3R
3000 Amp Switchboard NEMA 1/3R
3000 Amp Service Entrance Switchgear NEMA 1/3R
1000 Amp SES NEMA 1/3R
3000 Amp Switchgear NEMA 1/3R

Our Range of Products

600 Amp Switchboard NEMA 1/3R

600 Amp Switchboard NEMA 1/3R

  • 600A main breaker configuration, multi-voltage
  • UL 891 certified & EUSERC approved assembly
  • NEMA 1/3R dual-rated enclosure flexibility
4000 Amp SES NEMA 1/3R

4000 Amp SES NEMA 1/3R

  • 4000A max capacity for large critical loads
  • UL Listed, EUSERC approved, seismic compliant
  • NEMA 1/3R enclosure with main breaker config
Switchgear

Switchgear

  • 400A to 4000A with 7 voltage options
  • Siemens Approved OEM, UL 891 certified build
  • In-house manufacturing for faster delivery
2500 Amp SES NEMA 1/3R

2500 Amp SES NEMA 1/3R

  • 2500A SES with multi-voltage flexibility
  • EUSERC approved & all seismic zones rated
  • NEMA 1/3R enclosure, 1-year manufacturer warranty
1000 Amp Switchboard NEMA 1/3R

1000 Amp Switchboard NEMA 1/3R

  • Scalable from 400A up to 4000A capacity
  • UL 891 & EUSERC approved for code compliance
  • NEMA 1/3R for indoor and outdoor deployment
Service Entrance Switchgear NEMA 1/3R

Service Entrance Switchgear NEMA 1/3R

  • 400A to 4000A, built to utility specifications
  • EUSERC approved for utility entrance compliance
  • NEMA 1/3R with genuine Siemens components

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Frequently Asked Questions

What amperage ratings are available for DEI Power switchgear and switchboards?

DEI Power offers switchgear and switchboards from 400A to 4000A, including 400, 600, 800, 1000, 1200, 1600, 2000, 2500, 3000, and 4000 Amp configurations. All models support multiple voltage options including 120/240V, 208Y/120V, 480V, 480Y/277V, and 415/240V to meet a wide range of commercial, industrial, and utility project requirements.

What is the difference between NEMA 1 and NEMA 3R enclosures?

Are DEI Power switchgear assemblies UL listed?

What certifications do DEI Power switchboards carry?

How quickly does DEI Power ship switchgear orders?

Can service entrance switchgear be ordered directly online?

What industries use DEI Power switchgear and switchboards?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Commercial Buildings & Campuses

Commercial Buildings & Campuses

Reliable 3000A switchgear and switchboards for main power distribution in large commercial facilities and multi-building campuses.

Industrial & Manufacturing

Industrial & Manufacturing

Heavy-duty switchboards and switchgear engineered for high-demand industrial facilities requiring continuous, uninterrupted power.

Data Centers & Colocation

Data Centers & Colocation

UL 891-certified switchgear delivering dependable power distribution for hyperscale and enterprise data center infrastructure.

Utility & Infrastructure

Utility & Infrastructure

EUSERC-approved service entrance switchgear built to utility specifications for substations and infrastructure power systems.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

Why Contractors & Engineers Choose DEI Power

Siemens Approved OEM Manufacturing

As an approved Siemens OEM, DEI Power builds every switchgear assembly with genuine Siemens components, ensuring code-compliant, precision-engineered performance you can trust on any project.

Fastest Lead Times in the Industry

In-house manufacturing at our 50,000 sq. ft. Ontario, CA facility means faster builds, fewer delays, and free nationwide shipping with delivery in 3–5 business days.

Dedicated Technical & Project Support

From configuration guidance to post-installation support, our specialist team helps contractors, engineers, and facility managers eliminate costly change orders and field adjustments.

Get a Quote for Your 3000A Switchgear Project

Submit your project details and a DEI Power specialist will respond with pricing, configuration guidance, and lead time confirmation.

Contact Us Today

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.