
480V Switchboard NEMA 1/3R
- NEMA 1 & 3R indoor/outdoor enclosures
- UL 891 Certified & EUSERC Approved
- Meets UBC, CBC & IBC seismic standards
UL 891 Certified
EUSERC Approved
Siemens Approved OEM
2500A Circuit Breakers from DEI Power deliver heavy-duty overcurrent protection for high-demand commercial, industrial, and utility applications. Built with genuine Siemens components, UL Listed and EUSERC Approved, these 2500-amp-rated assemblies are available in multiple voltage configurations and NEMA 1/3R enclosures for reliable, code-compliant power distribution.



























Talk to our product experts for custom solutions.
Apply Filters






Showing 1 to 6 of 27 results
Pricing for 2500A air circuit breakers varies based on manufacturer, voltage configuration, and enclosure type. DEI Power offers 2500A assemblies built with genuine Siemens components at competitive pricing available on request. Contact our team for a detailed quote tailored to your project specifications and utility requirements.
Talk to our experts for custom solutions and tailored guidance.

2500A assemblies provide reliable main service power distribution for large office complexes and commercial developments.

Handles heavy electrical loads in manufacturing plants and processing facilities requiring uninterrupted power protection.

EUSERC Approved 2500A breakers meet utility specifications for substation and critical infrastructure power entry systems.

Supports continuous uptime requirements for hyperscale and enterprise data centers with high-capacity power distribution.
Talk to our experts for custom solutions and tailored guidance.
DEI Power's 50,000 sq. ft. Ontario, CA facility enables in-house switchgear assembly, cutting lead times and reducing costly project delays.
As an approved Siemens OEM with UL 891 certification, DEI Power delivers precision-engineered assemblies that meet strict code and utility compliance requirements.
From configuration guidance to post-installation support, DEI Power's specialists help eliminate change orders, reduce field adjustments, and keep projects on schedule.
Submit your project specs and a DEI Power specialist will respond with pricing, configuration guidance, and lead time details.
For immediate assistance, feel free to give us a direct call at (866) 773-8050. You can also send us a quick email at sales@deipower.com.
For immediate assistance, feel free to give us a direct call at (866) 773-8050. You can also send us a quick email at sales@deipower.com.