2500A Main Circuit Breaker 600V 3-Phase NEMA 3R

DEI Power's switchgear supports multiple voltage configurations including 120/240V, 240V, 208Y/120V, 240/120V, 480V, 480Y/277V, and 415/240V. This range covers the majority of commercial and industrial power distribution requirements across North American utility standards.

NEMA 1 enclosures are designed for indoor use, providing protection against dust and incidental contact. NEMA 3R enclosures are rated for outdoor installation, offering weather resistance against rain, sleet, and ice. DEI Power offers both options across its meter main, switchboard, switchgear, and service entrance product lines.

Yes. All DEI Power assemblies are UL Listed and UL 891 certified for low-voltage switchgear applications. Products are also EUSERC Approved, ensuring compliance with electric utility service entrance requirements. Additionally, all assemblies meet UBC, CBC, and IBC seismic requirements for all seismic zones.

Yes. DEI Power is an approved Siemens OEM and builds all switchgear, switchboards, and service entrance equipment using genuine Siemens components. This ensures precision-engineered performance, long-term serviceability, and full compatibility with utility and project specifications.

Yes. Because utility standards require meter mains, service entrance switchgear, and SES assemblies to meet approved utility specifications, DEI Power's specialists work directly with customers to configure each assembly to those requirements. Contact DEI Power's team to discuss your project's specific utility and site requirements.

DEI Power offers free shipping on all orders nationwide. Most orders ship within 1 business day from the 50,000 sq. ft. Ontario, California facility, with standard delivery in 3–5 business days. In rare cases, up to 5 business days may be required. All products include a 1-year warranty.