480Y/277V Meter Main NEMA 1/3R
- 480Y/277V rated for industrial power
- NEMA 1 indoor & 3R outdoor enclosures
- UL Listed & seismic zone compliant
UL 891 Certified
EUSERC Approved
Approved Siemens OEM
3-Phase Meter Main Combos from DEI Power integrate metering and main disconnect functions into a single UL 891-certified enclosure. Available from 400A to 4000A across multiple voltage configurations, these NEMA 1/3R units are built with genuine Siemens components for commercial, industrial, and utility power distribution applications.
Talk to our product experts for custom solutions.
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DEI Power's 3-phase meter main combos are available in amperage ratings of 400A, 600A, 800A, 1000A, 1200A, 1600A, 2000A, 2500A, 3000A, and 4000A. This broad range ensures the right capacity can be matched to the specific load demands of commercial, industrial, and utility applications.
Talk to our experts for custom solutions and tailored guidance.
Meter main combos serve as the primary service entrance for office complexes, retail centers, and campuses.
High-amperage meter mains support reliable power distribution in manufacturing plants and processing facilities.
EUSERC-approved units meet utility interconnection standards for substations and infrastructure service points.
High-capacity meter mains from 2000A to 4000A support critical uptime requirements in data center environments.
Talk to our experts for custom solutions and tailored guidance.
As an approved Siemens OEM, DEI Power builds precision-engineered meter mains using genuine Siemens components, ensuring code-compliant, utility-grade performance on every project.
Operating from a 50,000 sq. ft. facility in Ontario, CA, DEI Power ships most orders within 1 business day, reducing schedule risk on time-critical power distribution projects.
With over a decade of UL 891-certified switchgear manufacturing experience, DEI Power delivers accurate configurations, clear documentation, and dedicated technical project support.
Submit your project details and a DEI Power specialist will respond with configuration guidance, pricing, and lead time within one business day.
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.