400A 3 Phase 208Y/120V Main Service Entrance Meters

A Meter Main combines metering and main disconnect in a single enclosure. A Service Entrance Section (SES) is a modular component within a switchgear lineup that handles service entry and main breaker functions. Service Entrance Switchgear is a fully integrated assembly that manages power distribution, protection, and metering for large-scale installations. Each is configured to utility specifications.

Yes. All three product types — Meter Main, SES, and Service Entrance Switchgear — are available in NEMA 1 enclosures for indoor use and NEMA 3R enclosures for outdoor, weather-resistant installations. This flexibility allows them to be deployed across a wide range of commercial, industrial, and utility environments.

These products are available in multiple voltage configurations including 120/240V, 240V, 208Y/120V, 240/120V, 480V, 480Y/277V, and 415/240V. Amperage options range from 400A up to 4,000A, covering 400, 600, 800, 1000, 1200, 1600, 2000, 2500, 3000, and 4000 amp configurations.

Yes. Due to utility standards, all service entrance switchgear and meter mains must be built to approved utility specifications. DEI Power's team works directly with contractors and engineers to configure each unit to the correct utility requirements. Orders require a specialist consultation — contact DEI Power at (866) 773-8050 to begin the process.

DEI Power offers free shipping on all orders. Most orders ship within 1 business day, with delivery in 3–5 business days. In rare cases, up to 5 business days may be required for fulfillment. All products include a 1-year warranty. In-house manufacturing at DEI Power's 50,000 sq. ft. facility enables industry-leading lead times.

These products are used in commercial buildings, industrial and manufacturing facilities, utility and infrastructure projects, data centers, healthcare facilities, and power generation environments. They are designed for heavy-duty power distribution, large electrical load control, and critical systems protection where continuous uptime and code compliance are essential.