
1200 Amp Meter Main NEMA 1/3R
- 1200A heavy-duty Siemens meter main
- NEMA 1 indoor & NEMA 3R outdoor rated
- UL Listed, meets all seismic standards
UL Listed
EUSERC Approved
Commercial Meter Stacks from DEI Power are UL-listed, EUSERC-approved metering assemblies built with genuine Siemens components. Available in NEMA 1 and NEMA 3R enclosures across a wide amperage range, these meter mains serve commercial buildings, industrial facilities, and utility infrastructure requiring reliable, code-compliant power distribution.








DEI Power offers commercial meter stacks across a broad amperage range, including models rated at 1000A, 1200A, and 2500A, as well as configurations covering up to 400A, 401A–800A, 801A–1600A, and 1601A–4000A. This ensures a suitable solution for small commercial buildings through large industrial and utility installations.
Talk to our experts for custom solutions and tailored guidance.

Meter stacks provide reliable service entrance and power metering for office buildings, retail centers, and campuses.

High-amperage meter mains support power distribution in manufacturing plants, warehouses, and processing facilities.

EUSERC-approved meter stacks meet utility specifications for substations and grid-connected infrastructure systems.

Code-compliant, reliable meter stacks support uninterrupted power needs in hospitals and mission-critical facilities.
Talk to our experts for custom solutions and tailored guidance.
As an approved Siemens OEM, DEI Power delivers precision-engineered meter stacks built with genuine Siemens components you can trust.
Operating from a 50,000 sq. ft. California facility, DEI Power ships most orders within 1–5 business days, reducing schedule risk.
All meter stacks are UL Listed and EUSERC Approved, meeting seismic zone requirements and utility specs for worry-free code compliance.
Submit your requirements 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.