
1000 Amp Service Entrance Switchgear NEMA 1/3R
- 1000A UL Listed Siemens switchgear
- NEMA 1 indoor & 3R outdoor enclosures
- Seismic compliant: UBC, CBC, IBC zones
UL 891 Certified
EUSERC Approved
Siemens Approved OEM
DEI Power's 2500 Amp Disconnect Switches — 600V 3-Phase category offers UL 891-certified, heavy-duty service entrance switchgear and SES assemblies built with genuine Siemens components. Designed for commercial, industrial, and utility applications, these units deliver reliable 2500A power distribution in NEMA 1 and NEMA 3R enclosures.























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The 2500A disconnect switches are available in multiple voltage configurations including 120/240V, 240V, 208Y/120V, 240/120V, 480V, 480Y/277V, and 415/240V. This multi-voltage flexibility ensures compatibility across a wide range of commercial, industrial, and utility power distribution systems.
Talk to our experts for custom solutions and tailored guidance.

Powering large commercial campuses and high-rise facilities with reliable 2500A service entrance control.

Managing large electrical loads and critical power distribution across industrial plants and manufacturing facilities.

Supporting utility substations and critical infrastructure systems requiring EUSERC-approved, high-capacity switching.

Ensuring continuous uptime for hyperscale and enterprise data centers with dependable 2500A power management.
Talk to our experts for custom solutions and tailored guidance.
Every 2500A unit ships as a UL 891-certified assembly built with genuine Siemens components, ensuring full code compliance and field-proven reliability on every project.
In-house manufacturing at our 50,000 sq. ft. Ontario, CA facility means faster builds, fewer delays, and free shipping with delivery in 3–5 business days.
Our SES specialists provide dedicated project support, custom configuration guidance, and consultation to keep your schedule on track and eliminate costly field adjustments.
Submit your project specs and an SES specialist will respond with a custom quote and configuration guidance within one business day.
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.