Eaton 3MM512R2RLACBCC Residential Meter Stack - UL Listed
Part Number: 3MM512R2RLACBCC
Quick Summary
The Eaton 3MM residential meter stack is a modular multi-meter solution designed for outdoor residential feeders. It streamlines complex feeder installations by combining multiple metering modules into a single, accessible enclosure. This helps utility, commercial, and industrial sites reduce wiring errors and accelerate commissioning. UL Listed certification underpins safety and code compliance, while the rugged outdoor design supports long-term reliability in adverse weather. By leveraging a 125A socket arrangement and an 800A bus rating, teams can scale metering to match project requirements without rework. For procurement teams, this unit offers a compact footprint, straightforward installation, and clear maintenance pathways, aligning with project timelines and budget constraints while maintaining safety and performance.
Product Information
Extended Description
3MM512R2RLACBCC Eaton: Eaton 3MM residential meter stack, Multiple meter, 125A, Copper, Bus:800A, No by, Outdoor, Depends on selected MCB, Five-jaw, Sockets:5, Three-phase in, single-phase out, A-C/B-C, BR2_, BRH2_, BRHH2_, BRX2, Ringless, Socket:125A, 120/208Vac
Product Name
Eaton 3MM residential meter stack
Catalog Number
3MM512R2RLACBCC
UPC
786685513362
Product Length/Depth
12.26 in
Product Height
57.5 in
Product Width
7.01 in
Product Weight
106 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
Feature → Business Impact → Application: Multiple metering in a single stack reduces cabinet and wiring footprint, cutting installation time and space requirements while enabling centralized metering for multi-tenant facilities. This translates to faster commissioning and lower upfront costs on commercial, industrial, and campus projects. Feature → Application compatibility: Five-jaw sockets and 125A socket options simplify field connections and facilitate upgrades or changes in service without a full redesign, proving advantageous in retrofit projects and tenant-more deployments. Feature → Outdoor-rated enclosure: Designed for outdoor use, the stack withstands weather exposure, reducing enclosure enclosures and maintenance cycles on service entrances and remote campuses. Feature → High bus rating: 800A bus supports larger service demands and fault-current scenarios, enabling scalable metering while minimizing the need for rework as feeder sizes grow. Feature → Certifications and warranty: UL Listed certification and a reputable warranty provide risk mitigation for code compliance and long-term reliability, supporting procurement and maintenance planning. Industry context: Utilities and EPCs increasingly favor modular, pre-engineered metering solutions to accelerate project timelines while maintaining safety and regulatory compliance. Compatibility with Eaton MCBs and specified BR variants ensures predictable performance and ease of replacement when maintenance is required.
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FAQs
The 3MM512R2RLACBCC is designed for outdoor multi-meter installations with a 125A socket option and an 800A bus. It supports three-phase in, single-phase out configurations and works with Eaton MCBs (BR series variants). When planning, ensure enclosure access for five-jaw sockets and verify compatibility with 120/208Vac systems and the project’s service entrance routing to minimize field rewiring.
Key specs include a 125A socket arrangement, an 800A bus, five-jaw sockets, and 120/208Vac operation. It is intended for multiple metering (three-phase in, single-phase out) with outdoor enclosure suitability. The product is UL Listed, which supports compliance with safety and installation standards critical for metering assemblies in external environments.
Yes. The unit is explicitly designed for outdoor use and multi-meter deployments, enabling scalable metering for commercial and industrial applications. Its rugged enclosure, high bus rating, and modular metering approach help reduce space requirements, speed up commissioning, and facilitate maintenance, making it a strong fit for campuses, retail centers, and light-industrial facilities.
The Eaton 3MM512R2RLACBCC is UL Listed, a foundational safety certification that supports compliance with electrical codes and industry safety standards. This certification helps minimize regulatory risk during audits and inspections and provides assurance for installation teams and building operators regarding safe operation in outdoor, multi-meter configurations.
By consolidating metering modules into a single enclosure, the unit reduces cabinet count, wiring complexity, and commissioning time, which lowers installation labor and site disruption. The UL Listed build and Eaton’s warranty contribute to predictable maintenance costs and replacement parts availability, improving ROI and lifecycle reliability for multi-tenant or campus deployments.