Eaton 3MM512R2ACBC Residential Meter Stack - UL Listed
Part Number: 3MM512R2ACBC
Quick Summary
Eaton 3MM512R2ACBC Residential Meter Stack is a multi-metering enclosure designed for outdoor electrical services. For engineers and facilities teams, space optimization and safe, compliant metering in outdoor spaces can be a persistent challenge. This unit carries UL Listed certification and features an aluminum enclosure with a 125A service rating, a robust 800A bus, and a five-jaw design so you can consolidate meters without compromising safety. Its compatibility with selected MCBs offers installation flexibility, while the five-jaw sockets and its three-phase in, single-phase out configuration support streamlined, scalable metering for residential and light commercial projects.
Product Information
Extended Description
3MM512R2ACBC Eaton: Eaton 3MM residential meter stack, Multiple meter, 125A, Aluminum, 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
3MM512R2ACBC
UPC
782116940653
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
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 3MM512R2ACBC
Feature → Business Impact → Application: Multi-metering enclosure consolidates multiple meters in a single outdoor-rated unit, reducing footprint and wiring complexity, enabling space-efficient electrical service design for multi-occupant buildings. Application: suitable for residential complexes and small commercial properties seeking centralized metering with simplified maintenance. Feature → Business Impact → Application: Aluminum construction provides corrosion resistance and durable outdoor performance, lowering maintenance costs and extending service life in harsh environments. Application: outdoor installations where weather exposure is a design consideration and lifecycle cost matters. Feature → Business Impact → Application: Five-jaw sockets with a 125A service and an 800A bus enable flexible terminations and high current rating, reducing the need for separate enclosures and speeding up commissioning. Application: projects requiring scalable metering with robust electrical performance. Feature → Business Impact → Application: Three-phase in, single-phase out support streamlines utility connections and reduces wiring complexity, advancing project timelines and reliability. Application: complexes with mixed-phase residential loads and phased electrical distribution. Feature → Business Impact → Application: Containerized design compatible with various MCB configurations ensures compatibility with common Eaton protection schemes, lowering integration risk. Application: retrofits and new builds where precise breaker selection is essential. Feature → Business Impact → Application: UL Listed certification underpins safety and compliance, mitigating regulatory risk and enhancing customer confidence. Application: industries and facilities prioritizing certified electrical equipment with proven safety track record.
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FAQs
This outdoor meter stack is designed for outdoor installation with aluminum construction and a 125A service rating. It features five-jaw sockets and a 800A bus, supporting three-phase in and single-phase out configurations. Ensure compatible MCBs are used and that the mounting location provides appropriate ventilation and weather protection as per local electrical codes.
Compatibility depends on the selected MCBs in your Eaton protection scheme. The unit is specified for use with various MCBs and has a flexible, five-jaw architecture to accommodate different configurations. Verify the intended MCB type and rating during design to ensure reliable coordination and safety.
The meter stack measures 12.26 in in depth, 57.5 in in height, and 7.01 in in width, with an approximate weight of 106 lb. These dimensions support a compact footprint while delivering multi-metering capabilities in a single enclosure.
The Eaton 3MM512R2ACBC is UL Listed, indicating it meets established safety standards for electrical equipment. No additional certifications are specified in the provided data; consult Eaton documentation for any updates on additional regulatory compliances relevant to your region or application.
Warranty follows Eaton's policy 25-000, offering one year from the date of installation or eighteen months from the date of shipment, whichever occurs first. This protects against manufacturing defects and supports long-term maintenance planning for installation projects.