400A 3-Phase Meter Main Combo | High-Capacity Meter Panels

Meter main panels are available in amperage ratings of 400A, 600A, 800A, 1000A, 1200A, 1600A, 2000A, 2500A, 3000A, and 4000A. Whether you need a standard 400A service entrance or a high-capacity 4000A installation, DEI Power offers configurations to match your project's load requirements.

NEMA 1 enclosures are designed for indoor installations, providing protection against dust and incidental contact. NEMA 3R enclosures are rated for outdoor use, offering weather resistance against rain, sleet, and ice. DEI Power's meter main panels are available in both ratings so you can select the right enclosure for your installation environment.

Yes. All meter main panels are UL Listed under UL 891 for low-voltage switchgear and carry EUSERC approval, which is required by many utility companies for service entrance equipment. They also meet UBC, CBC, and IBC seismic zone requirements, ensuring compliance across all U.S. seismic regions.

These panels are widely used in commercial buildings, industrial facilities, and utility infrastructure projects. Common applications include service entrances for office complexes, retail centers, manufacturing plants, data centers, and utility substations — anywhere high-capacity, 3-phase metering and main disconnect protection are required in a single assembly.

Most orders ship within 1 business day from DEI Power's 50,000 sq. ft. facility in Ontario, California. In rare cases, fulfillment may require up to 5 business days. Standard delivery is 3–5 business days. All orders include free shipping and a 1-year manufacturer's warranty.

Yes. Because utility standards vary by provider and region, meter main switchgear must be built to approved utility specifications. DEI Power offers specialist consultation to configure panels to your utility's exact requirements, including custom voltage, amperage, enclosure type, and layout — ensuring seamless utility acceptance and project approval.