1600 Amp Main Distribution Panels — 480V 277V

Yes. All DEI Power 1600A main distribution panels are UL Listed and UL 891 certified for low-voltage switchboard construction. They are also EUSERC Approved and meet UBC, CBC, and IBC requirements for all seismic zones, making them suitable for code-compliant installations across the United States.

The panels are available in NEMA 1 enclosures for indoor installations and NEMA 3R enclosures for outdoor or weather-exposed locations. Both enclosure types maintain the same UL 891 certification and heavy-duty construction standards, allowing flexible installation across a wide range of project environments.

Switchboards are freestanding units that distribute power to feeders and branch circuits for large loads. Panelboards are typically wall-mounted and serve branch circuits within a facility. Switchgear offers the highest level of protection and isolation, suited for critical or utility-grade applications. All three are available at 1600A from DEI Power in NEMA 1/3R configurations.

Yes. Service entrance equipment including meter mains, SES units, and service entrance switchgear must be built to utility-approved specifications per EUSERC and local utility standards. DEI Power's products are EUSERC Approved and must be configured to match your specific utility's requirements. Contact a specialist before ordering to confirm compliance.

These panels are widely used in commercial buildings and campuses, industrial manufacturing facilities, data centers and colocation sites, utility and infrastructure projects, and healthcare facilities. Any application requiring heavy-duty power distribution, large load control, and continuous uptime can benefit from a properly specified 1600A panel at 480V/277V.

DEI Power ships most orders within 1 business day from their 50,000 sq. ft. facility in Ontario, California, with standard delivery in 3–5 business days nationwide. Free shipping is included on all orders. In rare cases, fulfillment may require up to 5 business days depending on custom configuration requirements. All panels include a 1-year warranty.