400 Amp Meter Main NEMA 1/3R
- 400A capacity across multiple voltages
- UL Listed & EUSERC Approved compliance
- NEMA 1 indoor & 3R outdoor enclosures
UL 891 Certified
EUSERC Approved
Approved Siemens OEM
400A Meter Main Combo panels integrate utility metering and main disconnect into a single UL-listed enclosure. Available in NEMA 1 and NEMA 3R configurations across multiple voltage ratings, these Siemens-based assemblies serve commercial, industrial, and utility applications requiring code-compliant, space-saving power distribution solutions.
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A meter combo, or meter main combo, is an all-in-one enclosure that integrates a utility meter socket and a main circuit breaker or disconnect into a single unit. This design eliminates the need for separate components, simplifies installation, saves panel space, and ensures code-compliant metering and overcurrent protection in one assembly — ideal for commercial, industrial, and utility applications.
Talk to our experts for custom solutions and tailored guidance.
Meter main combos provide compact, code-compliant metering and disconnect for office buildings, retail centers, and campuses.
Heavy-duty meter main assemblies support reliable power distribution in plants, production lines, and processing facilities.
EUSERC-approved meter mains meet strict utility specifications for substations, infrastructure upgrades, and grid-connected installations.
All-in-one meter main panels deliver dependable, high-capacity power entry for data centers and mission-critical operations.
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 code compliance on every project.
Our 50,000 sq. ft. Ontario, CA facility enables in-house assembly, faster builds, fewer delays, and free shipping delivered in 3–5 business days nationwide.
Over a decade manufacturing UL 891-certified switchgear for commercial, industrial, and utility systems — backed by dedicated technical and project support.
Submit your project specs and our team will respond with pricing, configuration guidance, and lead time details 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.