1000 Amp Service Entrance Switchgear NEMA 1/3R
- 1000A service entrance for critical systems
- NEMA 1 & 3R indoor or outdoor enclosures
- UL 891 Certified & EUSERC Approved
UL 891 Certified
EUSERC Approved
Siemens Approved OEM
DEI Power's MDP Electrical Panels include a comprehensive lineup of UL 891-certified switchgear, switchboards, panelboards, meter mains, and service entrance sections. Engineered with genuine Siemens components, these main distribution panel solutions serve commercial, industrial, utility, and data center applications requiring dependable, code-compliant power distribution from 400A to 4000A.
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An MDP (Main Distribution Panel) is the primary electrical panel that receives power from the utility service entrance and distributes it to multiple branch circuits or sub-panels throughout a facility. It typically houses the main circuit breaker and overcurrent protection devices. In commercial and industrial settings, MDPs include switchgear, switchboards, and panelboards rated from 400A up to 4000A.
Talk to our experts for custom solutions and tailored guidance.
MDP panels power HVAC, lighting, and critical systems in offices, retail centers, and large commercial campuses.
High-amperage MDP switchgear and switchboards manage heavy electrical loads in factories and processing plants.
EUSERC-approved service entrance switchgear meets utility specifications for substations and grid infrastructure.
UL 891-certified MDP switchgear ensures uninterrupted power for mission-critical data center and colocation operations.
Talk to our experts for custom solutions and tailored guidance.
As an approved Siemens OEM, DEI Power builds every panel with genuine Siemens components, ensuring code-compliant performance and long-term reliability in demanding environments.
Our 50,000 sq. ft. Ontario, CA facility enables in-house manufacturing for faster builds, fewer project delays, and free shipping with delivery in 3–5 business days nationwide.
From initial specification to post-installation, our specialists provide dedicated project support, custom configuration guidance, and accurate documentation to eliminate costly field changes.
Submit your project details and a DEI Power specialist will respond with accurate pricing, configuration guidance, and delivery timeline.
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.