NEMA 3R Solar Power Enclosures

DEI Power's NEMA 3R enclosures are available across a wide amperage range from 400A up to 4000A. Specific options include 400A, 600A, 800A, 1000A, 1200A, 1600A, 2000A, 2500A, 3000A, and 4000A, accommodating everything from small commercial installations to large-scale utility and industrial power distribution projects.

The NEMA 3R enclosures support multiple voltage configurations including 120/240V, 208Y/120V, 240V, 240/120V, 480V, 480Y/277V, and 415/240V. This multi-voltage flexibility ensures compatibility with a wide range of commercial, industrial, and utility electrical systems across different project requirements.

Yes. All NEMA 3R enclosures from DEI Power carry UL Listed and UL 891 certifications, and are EUSERC approved. They also comply with UBC, CBC, and IBC seismic zone requirements for all seismic zones. These enclosures must be built to approved utility specifications to meet applicable utility standards.

DEI Power offers a comprehensive selection of NEMA 3R outdoor-rated products including switchgear, service entrance switchgear, switchboards, panelboards, meter mains, and service entrance sections (SES). All product types are built with genuine Siemens components and are available in both NEMA 1 (indoor) and NEMA 3R (outdoor) enclosure options.

Most orders ship within 1 business day from DEI Power's 50,000 sq. ft. facility in Ontario, California. Standard delivery takes 3–5 business days with free shipping on all orders. In rare cases, fulfillment may require up to 5 business days. A 1-year manufacturer's warranty is included with every order.

Yes. As a Siemens Approved OEM with in-house manufacturing capabilities, DEI Power builds enclosures to approved utility specifications and custom project layouts. Customers can specify voltage, amperage, NEMA rating, and configuration. Dedicated project support and SES specialist consultation are available to ensure accurate configuration for every application.