UL 891 Certified certified

UL 891 Certified

EUSERC Approved certified

EUSERC Approved

Siemens Approved OEM certified

Siemens Approved OEM

2000A Main Distribution Panelboards — 3 Phase

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.

Switchgear
Service Entrance Switchgear NEMA 1/3R
Meter Main NEMA 1/3R
Switchboard NEMA 1/3R
SES (Service Entrance Section)
Panelboard NEMA 1/3R

Our Range of Products

Switchgear

Switchgear

  • UL 891 certified, Siemens Approved OEM
  • Covers 400A–4000A, 7 voltage options
  • In-house build ensures faster delivery
Service Entrance Switchgear NEMA 1/3R

Service Entrance Switchgear NEMA 1/3R

  • EUSERC Approved, all seismic zones met
  • NEMA 1/3R for indoor or outdoor service
  • Full range: 400A to 4000A amperage
Meter Main NEMA 1/3R

Meter Main NEMA 1/3R

  • NEMA 1 & 3R: indoor/outdoor ready
  • UL Listed with genuine Siemens components
  • Amperage options from 400A to 4000A
Switchboard NEMA 1/3R

Switchboard NEMA 1/3R

  • Siemens Approved OEM manufacturer
  • NEMA 1/3R: flexible indoor/outdoor use
  • Supports 400A to 4000A configurations
SES (Service Entrance Section)

SES (Service Entrance Section)

  • UL 891 Certified, EUSERC Approved unit
  • Main breaker config, 400A–4000A range
  • Seismic-rated: meets UBC, CBC & IBC
Panelboard NEMA 1/3R

Panelboard NEMA 1/3R

  • NEMA 1 & 3R enclosures for any install
  • UL Listed with genuine Siemens components
  • Amperage range: 400A up to 4000A

Frequently Asked Questions

What amperage options are available for DEI Power's 3-phase main distribution panelboards?

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.

What voltage configurations are supported by DEI Power panelboards and switchgear?

Are these panelboards available for outdoor installation?

What certifications do DEI Power's 2000A panelboards carry?

Do these products meet seismic compliance requirements?

Can DEI Power build panelboards to custom utility specifications?

What is the lead time and shipping policy for DEI Power's distribution panelboards?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Commercial Buildings

Commercial Buildings

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

Industrial & Manufacturing

Industrial & Manufacturing

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

Utility & Infrastructure

Utility & Infrastructure

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

Data Centers & Colocation

Data Centers & Colocation

UL 891 certified switchgear delivering continuous, high-capacity power distribution for hyperscale and enterprise data centers.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Contractors & Engineers Choose DEI Power

Siemens Approved OEM Manufacturing

As an approved Siemens OEM, every panelboard and switchgear assembly uses genuine Siemens components, ensuring code compliance and long-term reliability.

In-House Manufacturing & Fast Lead Times

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.

Dedicated Technical & Project Support

From configuration guidance to post-installation assistance, our specialists reduce change orders and keep mission-critical power projects on schedule.

Get a Quote for Your Power Distribution Project

Submit your requirements and a DEI Power specialist will respond with configuration guidance and pricing tailored to your project specs.

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.