480Y/277V Meter Main NEMA 1/3R
- 480Y/277V three-phase power support
- NEMA 1 indoor & 3R outdoor enclosures
- UL Listed with seismic zone compliance
UL 891 Certified
EUSERC Approved
UL Listed
Meter Main Breaker Panels combine an electric utility meter socket and a main circuit breaker into a single integrated enclosure, simplifying installation and reducing footprint. Available from 400A to 4000A across multiple voltage configurations, these UL-listed, EUSERC-approved units are engineered for commercial, industrial, and utility power distribution applications.
Talk to our product experts for custom solutions.
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The main breaker in a meter main panel is typically called the "main disconnect" or "main circuit breaker." In a meter main unit, it is integrated into the same enclosure as the utility meter socket, functioning as the primary overcurrent protection device that controls and protects the entire electrical service for a building or facility.
Talk to our experts for custom solutions and tailored guidance.
Meter main panels provide code-compliant service entrance solutions for office buildings, retail centers, and campuses.
High-amperage meter main units support reliable power distribution for factories, plants, and processing facilities.
EUSERC-approved meter main panels meet utility standards for substations, infrastructure, and grid-connected systems.
High-capacity meter main breaker panels deliver dependable power control for mission-critical data center environments.
Talk to our experts for custom solutions and tailored guidance.
As an approved Siemens OEM with 10+ years of switchgear expertise, DEI Power delivers precision-engineered meter main panels built to exact utility specifications.
In-house manufacturing at our 50,000 sq. ft. Ontario, CA facility enables faster builds, fewer delays, and free shipping delivered in 3–5 business days.
Every unit is UL 891 certified, EUSERC approved, and meets UBC, CBC, and IBC seismic zone requirements — reducing field adjustments and change orders.
Submit your specs 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.
