1000 Amp Service Entrance Switchgear NEMA 1/3R
- NEMA 3R outdoor weather-resistant enclosure
- UL Listed & EUSERC Approved assembly
- Seismic-rated: meets UBC, CBC, IBC codes
UL 891 Certified
EUSERC Approved
Siemens Approved OEM
DEI Power's Weatherproof Switchboards category offers UL 891-certified, NEMA 3R outdoor-rated switchboards, switchgear, and service entrance sections built with genuine Siemens components. Ranging from 400A to 4000A across multiple voltage configurations, these assemblies serve commercial, industrial, and utility power distribution applications requiring reliable, weather-resistant enclosures.
Talk to our product experts for custom solutions.
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Yes. Weatherproof switchboards are available in NEMA 3R enclosures, which are specifically rated for outdoor or wet-location use. NEMA 3R enclosures protect against rain, sleet, and ice formation, making them suitable for outdoor installations in commercial, industrial, and utility environments where exposure to the elements is a concern.
Talk to our experts for custom solutions and tailored guidance.
Outdoor-rated switchboards provide reliable service entrance and power distribution for large commercial campuses.
Heavy-duty NEMA 3R switchgear supports large load control and uninterrupted power in manufacturing environments.
EUSERC-approved weatherproof switchboards meet utility specifications for outdoor substation and infrastructure projects.
Weather-resistant switchgear ensures dependable outdoor power distribution for data center campuses and colocation facilities.
Talk to our experts for custom solutions and tailored guidance.
As an approved Siemens OEM, every switchboard and switchgear assembly uses genuine Siemens components, ensuring code-compliant performance and long-term reliability.
Built and assembled in our 50,000 sq. ft. Ontario, CA facility, our in-house manufacturing delivers faster builds, fewer delays, and free shipping in 3–5 business days.
All weatherproof switchboards carry UL 891 certification and meet UBC, CBC, and IBC seismic requirements, giving engineers and facility teams full code confidence.
Submit your specs and a DEI Power specialist will respond with pricing, configuration guidance, 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.