480Y/277V Meter Main NEMA 1/3R
- 480Y/277V for commercial & industrial use
- NEMA 1 indoor & 3R outdoor enclosures
- UL Listed with seismic zone compliance
UL 891 Certified
EUSERC Approved
Approved Siemens OEM
Meter Main Combos integrate utility metering and main circuit breaker protection into a single, compact enclosure. 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 requiring code-compliant, space-saving solutions.
Showing 1 to 6 of 19 results
A meter base combo, also called a meter main combo, is an all-in-one enclosure that combines a utility metering socket and a main circuit breaker in a single unit. This integrated design eliminates the need for separate meter and disconnect enclosures, saving installation space, reducing material costs, and simplifying code compliance for commercial and industrial service entrances.
Talk to our experts for custom solutions and tailored guidance.
Meter main combos provide code-compliant service entrance solutions for offices, retail centers, and multi-tenant commercial facilities.
High-amperage meter mains support reliable power distribution and protection for manufacturing plants and processing facilities.
EUSERC-approved meter mains meet utility-grade standards for substations, infrastructure upgrades, and grid-connected service points.
High-capacity meter main combos deliver dependable service entrance protection for data centers and critical facility power systems.
Talk to our experts for custom solutions and tailored guidance.
Every meter main is built with genuine Siemens components as an approved OEM, ensuring precision-engineered performance and full manufacturer backing on every order.
Our 50,000 sq. ft. Ontario, CA facility enables in-house manufacturing for faster builds, shorter lead times, and free shipping on all orders in 3–5 business days.
All meter mains are UL 891 certified, EUSERC approved, and meet UBC, CBC, and IBC seismic requirements — reducing field adjustments and change orders on your projects.
Submit your project specs and our team will respond with pricing, configuration guidance, and lead time estimates 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.
