Eaton 3MM420R2RLACBC Meter Stack Outdoor - UL Listed
Part Number: 3MM420R2RLACBC
Quick Summary
Eaton 3MM420R2RLACBC is a residential meter stack enabling multiple metering for multi-tenant and light-commercial sites. Engineers often contend with bulky enclosures, difficult wiring, and inconsistent outdoor performance; this unit provides a compact, outdoor-ready solution. UL Listed certification confirms compliance with critical safety standards, supporting procurement for regulated facilities and reducing risk. The unit is designed for 200A service and 120/208Vac operation, offering a rugged, scalable solution for power management in outdoor environments. This makes it a strong fit for contractors and utilities seeking reliable, code-compliant metering without sacrificing installation simplicity.
Product Information
Extended Description
3MM420R2RLACBC Eaton: Eaton 3MM residential meter stack, Multiple metering, 200A, Cu, Bus:800A, No bypass, Outdoor, Depends on selected MCB, 5-jaw, Sockets:4, 3-ph in, 1-ph out, B-C, CCV2_X, CCVH2_X, CVS2_XMM, CV2_XMM, CVH2_XMM, Ringless, Socket:200A, 120/208Vac
Product Name
Eaton 3MM residential meter stack
Catalog Number
3MM420R2RLACBC
UPC
786685182612
Product Length/Depth
13.5 in
Product Height
64.5 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
Fifth jaw included at 9oclock position
Type
Multiple metering
Feature: Multiple metering capability enables precise billing and energy management across tenants or loads. Business Impact: Streamlines metering projects, reduces wiring complexity, and accelerates commissioning. Application: Ideal for multi-tenant residential and light-commercial buildings where separate meters are required. Feature: Outdoor-rated enclosure paired with UL Listed safety certification increases reliability in harsh environments. Business Impact: Minimizes weather-related outages and lowers maintenance costs. Application: Outdoor meter stacks in sidewalks, building perimeters, or service entrances. Feature: 200A service with an 800A bus rating supports future expansion without rework. Business Impact: Protects capital investments and simplifies scaling for growing facilities. Application: New builds and retrofit projects with evolving load profiles. Feature: 3-phase in, 1-phase out configuration and 4 sockets with a fifth jaw included. Business Impact: Enables flexible metering configurations while reducing field wiring errors. Application: Mixed-load facilities requiring precise phase distribution. Feature: Comprehensive spec set including 120/208Vac operation and 64.5 in height facilitates planning and installation. Business Impact: Improves site layout accuracy and reduces on-site surprises. Application: Utilities, contractors, and property developers planning outdoor meter stacks.
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FAQs
This model is designed for outdoor residential meter stacks supporting multiple metering in a 200A service environment with an 800A bus. It uses 3-ph in and 1-ph out wiring, provides four sockets, and includes a fifth jaw. Compatible applications include multi-tenant buildings, mixed-use facilities, and service entrances where compact outdoor metering is required.
Key specifications include 200A service, 800A bus rating, 120/208Vac operation, four metering sockets, 3-phase in and 1-phase out, and a fifth jaw included for flexible configurations. The unit is UL Listed and is cataloged as a multiple metering device with a 64.5 in tall enclosure and 76 lb weight for planning and handling considerations.
The 3MM420R2RLACBC is built for multiple metering with dedicated sockets and a 5-jaw configuration, enabling distinct meters for separate tenants or loads. This supports accurate billing, energy management, and simplified tenant differentiation, while maintaining a compact outdoor footprint suitable for service entrances and building perimeters.
Yes, the meter stack is designed for outdoor installation and is UL Listed, indicating compliance with key electrical safety standards. The rugged outdoor capability, combined with UL certification, helps meet regulatory requirements for exterior metering equipment and reduces procurement risk for projects with strict safety oversight.
The product carries Eaton’s standard warranty policy: one year from the date of installation or eighteen months from shipment, whichever occurs first. Maintenance considerations include monitoring for weather exposure, periodic inspection of connections, and ensuring compatible MCB selection to match 200A service and 800A bus configurations.