Eaton 3MM512RC2BC Residential Meter Stack - UL Listed
Part Number: 3MM512RC2BC
Quick Summary
Eaton 3MM512RC2BC is a residential meter stack designed for multi-metering in outdoor installations. Engineers face space limitations and wiring complexity when retrofitting multi-tenant or multi-branch services. UL Listed certification confirms electrical safety compliance, and Conn Edison approval supports grid-ready integration. With outdoor suitability, three-phase input and single-phase output, this unit minimizes enclosure footprint while maintaining accessibility. Choosing this solution translates to faster builds, predictable maintenance costs, and clear compliance across projects. The meter stack also accommodates 125 A service, 800 A bus, and five-jaw sockets for flexible distribution, with a one-year warranty (or eighteen months from shipment) providing installation confidence.
Product Information
Extended Description
3MM512RC2BC Eaton: Eaton 3MM residential meter stack, Multiple metering, 125A, Copper, Bus:800A, No bypass, Outdoor, Depends on selected MCB, Five-jaw, Sockets:5, Three-phase in, single-phase out, B-C, BR2_, BRH2_, BRHH2_, BRX2, Ring, Socket:125A, 120/208 Vac
Product Name
Eaton 3MM residential meter stack
Catalog Number
3MM512RC2BC
UPC
782116940110
Product Length/Depth
12.26 in
Product Height
57.5 in
Product Width
7.01 in
Product Weight
76 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Catalog Notes
Conn Edison approved, Main tenant feeders can exit bottom or back. Knockouts are available at all exit locations.
Type
Multiple metering
Multiple metering capability enables precise energy accounting for each tenant or branch, reducing disputes and simplifying billing. Business impact: improved revenue integrity and streamlined meter management. Application: multi-tenant residential buildings and mixed-use facilities seeking segregated load monitoring. The robust 125 A service and 800 A bus configuration supports scalable energy distribution, allowing phased upgrades without replacing the entire stack. Business impact: lower capital expenditure and faster ROI. Application: evolving commercial campuses and retrofit projects needing future-proof capacity. Outdoor-rated enclosure with no bypass and bottom or back exit compatibility reduces installation time and weather exposure risk. Business impact: higher reliability and long-term maintenance savings. Application: outdoor meter installations in harsh environments. Five-jaw sockets (five connection points) simplify termination, improve reliability, and speed service wiring. Business impact: minimized field labor and fitter error. Application: dense distribution points with multiple feeders. Three-phase in, single-phase out capability supports flexible configurations for modern power systems. Business impact: fewer panels required, reduced footprint. Application: compact commercial rooftops and multi-tenant feeders. UL Listed certification enhances compliance confidence, while Conn Edison approval aids utility-driven integration. Business impact: smoother inspections and permit approvals. Application: regulated projects requiring recognized approvals. Warranty and service terms provide predictable support, reducing downtime risk and ensuring ongoing performance.
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FAQs
Plan for outdoor mounting with space for a 12.26 in depth, 57.5 in height, and 7.01 in width enclosure. Ensure bottom or back exit options are available for main feeders, and allocate knockouts at all exit locations per catalog notes. Verify UL Listed compliance and Conn Edison approval during inspection.
The unit supports a 125 A service with an 800 A bus, uses copper conductors, and provides five-jaw sockets. It accepts three-phase input with single-phase output and operates at 120/208 Vac, enabling flexible metering for multi-tenant or multi-branch applications.
Yes. Its multiple metering configuration, outdoor-rated enclosure, and compatibility with bottom or back exit feeders make it ideal for multi-tenant buildings, campuses, and commercial complexes that require segregated metering while minimizing space and wiring complexity.
The product is UL Listed, confirming adherence to electrical safety standards. It also has Conn Edison approval, supporting utility alignment and grid integration for shared-tenant deployments.
The unit’s durable outdoor design, straightforward wiring with five-jaw sockets, and scalable 125 A/800 A bus configuration reduce installation time and long-term maintenance costs. Combined with the warranty terms, it provides predictable operational uptime and a clearer path to return on invested capital.