
240/120V Service Entrance Switchgear NEMA 1/3R
- 240/120V rated across full amperage range
- NEMA 1 indoor & NEMA 3R outdoor rated
- UL Listed & EUSERC approved assembly
UL 891 Certified
EUSERC Approved
Siemens OEM Approved
DEI Power's 2000A disconnect switch and high-amperage industrial disconnect lineup includes service entrance switchgear, switchboards, meter mains, and SES units rated up to 4000A. Built with genuine Siemens components, UL 891 certified, and available in NEMA 1 or NEMA 3R enclosures for indoor and outdoor commercial, industrial, and utility applications.







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A 2000A disconnect switch is used to safely isolate high-amperage electrical circuits in commercial buildings, industrial facilities, and utility infrastructure. It provides a means to cut power to large electrical loads for maintenance, emergency shutoff, or system protection, and is commonly integrated into service entrance switchgear, switchboards, and meter main assemblies.
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Service entrance switchgear and 2000A disconnects power large commercial buildings requiring safe, code-compliant load control.

High-amperage disconnects protect large electrical loads in manufacturing plants, processing lines, and industrial power distribution systems.

EUSERC-approved switchgear meets utility specifications for substations, grid infrastructure, and critical utility electrical systems.

Reliable 2000A disconnect switches ensure uninterrupted power protection for hyperscale data centers and mission-critical facilities.
Talk to our experts for custom solutions and tailored guidance.
Every disconnect switch and switchgear assembly uses genuine Siemens components, ensuring precision-engineered performance and long-term reliability in critical power systems.
Built and assembled in our 50,000 sq. ft. Ontario, CA facility, enabling faster builds, fewer delays, and free shipping with 3–5 business day delivery nationwide.
All products are UL 891 certified, EUSERC approved, and meet UBC, CBC, and IBC seismic zone requirements — eliminating compliance risk on every project.
Submit your project specs and a DEI Power specialist will respond with configuration guidance, pricing, and lead time 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.