Eaton 3MM512RC Residential Meter Stack - UL Listed
Part Number: 3MM512RC
Quick Summary
Eaton 3MM512RC residential meter stack enables multiple metering in one outdoor enclosure for multi-tenant buildings. This design reduces wiring complexity and speeds service commissioning, delivering scalable metering for evolving loads. UL Listed safety certification accompanies rugged outdoor construction, while a 125A main with an 800A bus and 120/208 VAC circuits supports diverse feeder configurations. For owners and contractors, the solution harmonizes with Eaton metering products and power distribution strategies to improve compliance, reliability, and long-term operating efficiency.
Product Information
Extended Description
3MM512RC Eaton: Eaton 3MM residential meter stack, Multiple metering, 125A, Copper, Bus:800A, No bypass, Outdoor, Depends on selected MCB, Sockets:5, Five-jaw, Three-phase in, single-phase out, A-B, BR2_, BRH2_, BRHH2_, BRX2, Ring, Socket:125A, 120/208 Vac
Product Name
Eaton 3MM residential meter stack
Catalog Number
3MM512RC
UPC
782114990841
Product Length/Depth
12.26 in
Product Height
57.5 in
Product Width
7.01 in
Product Weight
69 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
Type
Multiple metering
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 3MM512RC
Feature: Multi-metering in a single outdoor enclosure. Benefit: Reduces space, wiring, and installation time while enabling accurate tenant billing. Application: Ideal for multi-tenant residential and light commercial projects seeking streamlined metering. Feature: Outdoor-rated UL Listed enclosure. Benefit: Enhances safety and durability in harsh environments, reducing maintenance cycles. Application: Exterior installations where weather resistance and compliance are mandatory. Feature: 125A main, 800A bus with five-jaw sockets. Benefit: Supports complex feeders and diverse circuit counts with room for future expansion. Application: New builds and retrofits requiring flexible metering with reliable service supply. Feature: Three-phase in, single-phase out, 120/208 VAC. Benefit: Adapts to varied load profiles, enabling centralized metering for mixed systems. Application: Mixed-use buildings and campuses needing versatile power distribution. Feature: Comprehensive warranty and Eaton support. Benefit: Minimizes risk and accelerates procurement with established service terms. Application: Procurement for projects prioritizing total cost of ownership and supplier stability.
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FAQs
Install in an outdoor-rated enclosure with appropriate weather sealing and mounting clearance. The unit supports 125A main, 800A bus, and five-jaw sockets, with three-phase in and single-phase out for 120/208 VAC. Ensure UL Listed compliance, verify any local utility metering requirements, and follow Eaton installation guidelines to optimize safety and ease of maintenance.
Key specs include a 125A main, 800A bus rating, five-jaw sockets, and 120/208 VAC operation. It is designed for outdoor use with three-phase in and single-phase out, supporting multi-meter configurations. The housing accommodates five sockets and a copper bus, enabling flexible feeder layouts while maintaining a compact footprint.
Yes. The multiple metering design consolidates several meters in a single outdoor stack, reducing wiring complexity and simplifying tenant billing. With five-jaw sockets and modular metering capabilities, it accommodates diverse tenant loads and expands as occupancy grows, aligning with modern building automation and energy management workflows.
The 3MM512RC is UL Listed, confirming safety compliance for electrical equipment. It is suited for outdoor installation and comes with Eaton’s warranty policy: one year from installation or eighteen months from shipment, whichever occurs first. This combination supports regulatory compliance and vendor-backed protection throughout the project lifecycle.
By consolidating meters in one outdoor stack, it reduces installation labor, wiring, and space requirements, lowering upfront and ongoing costs. The rugged UL Listed enclosure and standardized Eaton components streamline maintenance, enable straightforward upgrades, and improve outage containment, delivering faster fault isolation and enhanced service reliability for multi-tenant or mixed-use facilities.