
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
UL 891 Certified
EUSERC Approved
Siemens Approved OEM
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.












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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.
Talk to our experts for custom solutions and tailored guidance.

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

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

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

EUSERC-approved service entrance switchgear built to utility specifications for substations and infrastructure power systems.
Talk to our experts for custom solutions and tailored guidance.
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.
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.
From configuration guidance to post-installation support, our specialist team helps contractors, engineers, and facility managers eliminate costly change orders and field adjustments.
Submit your project details and a DEI Power specialist will respond with pricing, configuration guidance, and lead time confirmation.
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.