UL 891 Certified certified

UL 891 Certified

EUSERC Approved certified

EUSERC Approved

Siemens Approved OEM certified

Siemens Approved OEM

1600 Amp 480V 3 Phase Main Breaker Panelboards

DEI Power's 1600 Amp 480V 3 Phase Main Breaker Panelboards deliver heavy-duty power distribution for commercial, industrial, and utility applications. UL 891 certified and built with genuine Siemens components, these panelboards offer NEMA 1 and 3R enclosure options, seismic compliance, and service-friendly layouts for demanding environments.

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 build
  • 400A–4000A across multiple voltage options
  • In-house manufacturing ensures faster delivery
Service Entrance Switchgear NEMA 1/3R

Service Entrance Switchgear NEMA 1/3R

  • EUSERC Approved utility-grade switchgear
  • 400A–4000A main breaker configuration
  • NEMA 1 indoor or 3R outdoor enclosures
Meter Main NEMA 1/3R

Meter Main NEMA 1/3R

  • NEMA 1 indoor or 3R outdoor enclosures
  • 400A–4000A amperage range options
  • UL Listed & EUSERC Approved assembly
Switchboard NEMA 1/3R

Switchboard NEMA 1/3R

  • Genuine Siemens Approved OEM components
  • NEMA 1 or 3R indoor/outdoor enclosures
  • 400A–4000A with main breaker config
SES (Service Entrance Section)

SES (Service Entrance Section)

  • UL 891 Certified Siemens OEM components
  • 400A–4000A main breaker configuration
  • Seismic compliant: UBC, CBC, and IBC
Panelboard NEMA 1/3R

Panelboard NEMA 1/3R

  • UL Listed with EUSERC-approved assembly
  • NEMA 1 indoor or 3R outdoor rated units
  • 400A–4000A amperage flexibility options

Frequently Asked Questions

What amperage and voltage configurations are available for DEI Power panelboards?

DEI Power panelboards are available in amperage ratings from 400A to 4000A, including 1600A configurations. Voltage options include 120/240V, 240V, 208Y/120V, 480V, 480Y/277V, and 415/240V, making them suitable for a wide range of single and three-phase commercial and industrial power distribution applications.

Are these panelboards UL listed and code compliant?

What NEMA enclosure ratings are available for these panelboards?

Are these panelboards built with genuine Siemens components?

How quickly do DEI Power panelboards ship and what is the delivery timeframe?

Do these panelboards meet seismic compliance requirements?

Can DEI Power build panelboards to custom utility specifications?

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

1600A 480V panelboards provide reliable main breaker power distribution for large commercial buildings and campuses.

Industrial & Manufacturing

Industrial & Manufacturing

Heavy-duty panelboards control and protect large electrical loads in manufacturing plants and processing facilities.

Utility & Infrastructure

Utility & Infrastructure

EUSERC-approved panelboards meet utility specifications for substation and infrastructure power distribution projects.

Data Centers & Colocation

Data Centers & Colocation

UL 891-certified switchgear and panelboards ensure uninterrupted power for mission-critical data center operations.

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 is built with genuine Siemens components, ensuring code-compliant, precision-engineered power distribution you can trust on any jobsite.

Fastest Lead Times in the Industry

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

10+ Years of Switchgear Expertise

Over a decade building UL 891-certified switchgear for commercial, industrial, and utility projects — backed by dedicated project support and in-house engineering guidance.

Get a Quote on 1600A 480V Panelboards Today

Submit your project specs 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.