4000 Amp Main Distribution Panels — 480V

All DEI Power 4000A 480V main distribution panels are UL Listed, UL 891 Certified, and EUSERC Approved. They also meet UBC, CBC, and IBC seismic requirements for all seismic zones, and are manufactured by a Siemens Approved OEM, ensuring code compliance and utility acceptance across the USA.

DEI Power's panels support multiple voltage configurations including 120/240V, 240V, 208Y/120V, 240/120V, 480V, 480Y/277V, and 415/240V. The 480V configuration is common for large commercial and industrial facilities. Contact a specialist to confirm the correct voltage option for your application and utility requirements.

Yes. All product types — including Service Entrance Switchgear, SES, Switchboards, Switchgear, Meter Mains, and Panelboards — are available in NEMA 1 (indoor) or NEMA 3R (outdoor weather-resistant) enclosures. The NEMA 3R rating makes them suitable for outdoor installation in environments exposed to rain, sleet, and external ice formation.

Yes. Service Entrance Switchgear, SES, and Meter Main products must be built to approved utility specifications due to utility standards. DEI Power's specialists work directly with customers to ensure configurations meet local utility requirements. Orders for these products require a consultation call rather than direct online purchase.

DEI Power's 4000A 480V panels are engineered for commercial buildings and campuses, industrial and manufacturing facilities, utility and infrastructure projects, data centers and colocation facilities, hyperscale data centers, and healthcare facilities. They are built for environments where continuous, dependable power distribution is critical.

Most orders ship within 1 business day, with standard delivery in 3–5 business days. In rare cases, up to 5 business days may be required for shipment. Free shipping is included on all orders nationwide. Each product includes a 1-year warranty. For time-sensitive projects, contact a DEI Power specialist to confirm availability and scheduling.