Eaton 3MM412R2RLACBC Residential Meter Stack - UL Listed
Part Number: 3MM412R2RLACBC
Quick Summary
The Eaton 3MM412R2RLACBC residential meter stack enables multiple metering in a compact outdoor enclosure for multi-tenant facilities. When space, wiring complexity, and retrofit timelines stall projects, this stack offers a scalable solution that reduces install time and field labor. UL Listed certification supports code compliance, while the outdoor-rated design and fifth jaw inclusion enhance reliability in harsh environments. By consolidating meters in a single enclosure, building owners gain clearer energy visibility and simpler maintenance, enabling faster tenant onboarding and more accurate billing without compromising safety or accessibility. This approach aligns with modern smart metering strategies and supports efficient energy management across properties.
Product Information
Extended Description
3MM412R2RLACBC Eaton: Eaton 3MM residential meter stack, Multiple metering, 125A, Al, Bus:800A, No bypass, Outdoor, Depends on selected MCB, Five-jaw, Sockets:4, Three-phase in, single-phase out, B-C, BR2_, BRH2_, BRHH2_, BRX2, Ringless, Socket:125A, 120/208 Vac
Product Name
Eaton 3MM residential meter stack
Catalog Number
3MM412R2RLACBC
UPC
782116940660
Product Length/Depth
12.26 in
Product Height
48.5 in
Product Width
7.01 in
Product Weight
98 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
Fifth jaw included at 9oclock position
Type
Multiple metering
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 3MM412R2RLACBC
Feature → Business Impact → Application: Multiple metering in one outdoor stack enables precise sub-metering and centralized assembly, reducing wiring complexity and material costs while improving energy visibility across tenants; ideal for multi-tenant residential and light commercial properties. Feature → Business Impact → Application: 125A sockets with an 800A bus and a five-jaw design support scalable main services and safe main-lug contact, accelerating breaker installation and simplifying future upgrades for new tenants or loads. Feature → Business Impact → Application: Sockets:4 and a configuration of three-phase in, single-phase out provides flexible metering for mixed electrical services, enabling seamless integration with common utility and building-management systems. Feature → Business Impact → Application: Outdoor enclosure, weight 98 lb, and dimensions 12.26 in L × 7.01 in W × 48.5 in H deliver a robust, weather-resistant solution that reduces enclosure footprint in constrained spaces while meeting outdoor code requirements. Feature → Business Impact → Application: Fifth jaw included at 9 o’clock position and catalog notes support quick field assembly and miswire mitigation; reduces commissioning time and improves reliability during retrofits or new builds. Feature → Business Impact → Application: Warranty coverage and UL Listed certification provide long-term risk mitigation and compliance confidence, while compatibility with selected MCBs keeps installation aligned with project specifications and future load planning.
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FAQs
Yes. The 3MM412R2RLACBC is designed for 125A sockets and supports 120/208 Vac outdoor metering. It features a five-jaw configuration and an 800A bus, enabling scalable distribution for multi-tenant or small commercial applications. Ensure the installed MCBs are compatible with the bus configuration and enclosure ratings to maintain code compliance.
The meter stack measures 12.26 inches in length, 7.01 inches in width, and 48.5 inches in height, with an approximate weight of 98 pounds. This footprint supports outdoor installation while minimizing the enclosure footprint in tight service yards or building LPD rooms. Factor in service clearances and access for maintenance when planning layouts.
This unit is ideal for multi-tenant residential complexes, small commercial properties, and outdoor metering applications where space is at a premium. Its multiple metering capability, five-jaw design, and 125A sockets support separate tenant billing and simplified energy management without adding multiple standalone enclosures.
The product is UL Listed, which supports standard safety and code compliance for electrical assemblies used in metering applications. While UL Listed is the primary certification provided, verify local code requirements and utility preferences for any additional standards or approvals needed for your project or region.
By consolidating metering into a single outdoor stack, this solution reduces hardware redundancy, simplifies wiring, and shortens installation and commissioning times, delivering faster tenant readiness. The rugged outdoor enclosure plus UL-listed safety reduces maintenance interruptions and supports predictable lifecycle costs, improving overall return on investment.