Meter Main Combo Units

DEI Power's Meter Main NEMA 1/3R units are available in a wide range of amperage options: 400, 600, 800, 1,000, 1,200, 1,600, 2,000, 2,500, 3,000, and 4,000 amps. This range accommodates everything from mid-size commercial facilities to large industrial and utility-grade power distribution systems.

The Meter Main units support multiple voltage configurations including 120/240V, 240V, 208Y/120V, 240/120V, 480V, 480Y/277V, and 415/240V. This flexibility allows the units to serve a broad range of power system designs across commercial, industrial, and utility installations throughout the United States.

NEMA 1 enclosures are designed for indoor use, protecting against dust and incidental contact in climate-controlled environments. NEMA 3R enclosures are weather-resistant and suited for outdoor installations, protecting internal components against rain, sleet, and ice. DEI Power's Meter Main units are available in both ratings to match your installation environment.

Yes. DEI Power's Meter Main Combo Units carry EUSERC (Electric Utility Service Equipment Requirements Committee) approval, ensuring they meet the standards required by participating utility companies. This approval is critical for installations in utility jurisdictions that mandate EUSERC-compliant metering equipment before granting service.

Yes. DEI Power's Meter Main units meet UBC, CBC, and IBC requirements for all seismic zones. This makes them suitable for installations in seismically active regions, including California and other areas where structural compliance for electrical equipment is required by local building codes and utilities.

DEI Power offers free shipping on all orders with delivery in 3–5 business days. Most orders ship within one business day from their 50,000 sq. ft. facility in Ontario, California. In rare cases, up to five business days may be required. All units include a one-year warranty and are assembled in the USA.