Electrical Power Distribution Panels — 120/240V

DEI Power offers 120/240V switchboards, panelboards, and remote power panels in a wide range of amperage ratings: 225A, 400A, 600A, 800A, 1000A, 1200A, 1600A, 2000A, 2500A, 3000A, and 4000A. This broad selection ensures the right fit for small commercial installations through large industrial and utility power distribution systems.

Yes. All panels are UL 891 certified and UL listed for low-voltage switchboard and switchgear construction. They also carry EUSERC approval and meet UBC, CBC, and IBC seismic zone requirements. DEI Power is a Siemens-approved OEM, which means every assembly is built to exacting standards for both safety and regulatory compliance.

Panels are available in NEMA 1 enclosures for indoor installations and NEMA 3R enclosures for outdoor or weather-exposed locations. NEMA 3R units are designed to resist rain, sleet, and external ice formation, making them suitable for utility infrastructure, rooftop electrical rooms, and outdoor switchgear installations.

In addition to 120/240V and 240V, panels are available in 208Y/120V, 240/120V, 480V, 480Y/277V, and 415/240V configurations. This multi-voltage flexibility ensures compatibility with a wide range of utility service types, three-phase industrial systems, data center power infrastructure, and international voltage standards.

Most in-stock panel orders ship within 1 business day from DEI Power's 50,000 sq. ft. facility in Ontario, California, with standard delivery in 3–5 business days. Built-to-order and custom configurations typically carry a 4–6 week lead time. Emergency and rush orders are supported for critical project timelines.

DEI Power's 120/240V panels serve commercial buildings, industrial facilities and manufacturing plants, utility and infrastructure projects, data centers and colocation facilities, and healthcare environments. Products are engineered to handle everything from branch circuit distribution in office buildings to high-demand power loads in hyperscale data centers and heavy industrial operations.