Eaton 3MM420R12RLBCPS Residential Meter Stack - UL Listed
Part Number: 3MM420R12RLBCPS
Quick Summary
Eaton 3MM residential meter stack enables compact multi-metering for outdoor power feeds in commercial and residential buildings. Facility teams often struggle with limited space, wiring complexity, and documentation gaps when expanding metering. UL Listed certification underpins safety and reliability, while the outdoor-rated design handles weather exposure and long-term performance. The unit includes a fifth jaw at the 9 o'clock position for flexible configurations and quick rebalancing. This solution simplifies installation, improves electrical safety, and aligns with Eaton's metering ecosystem, helping procurement teams standardize components, reduce part variety, and speed project delivery.
Product Information
Extended Description
3MM420R12RLBCPS Eaton: Eaton 3MM residential meter stack, SS meter guides, Multiple meter, 200A, Al, Bus:1200A, Horn, Outdoor, Depends on MCB, 5-jaw, Sockets:4, 3-ph in, 1-ph out, A-B, CCV2_X, CCVH2_X, CVS2_XMM, CV2_XMM, CVH2_XMM, Ringless, Socket:200A, 120/208V
Product Name
Eaton 3MM residential meter stack
Catalog Number
3MM420R12RLBCPS
UPC
786685494708
Product Length/Depth
13.5 in
Product Height
64.5 in
Product Width
7.01 in
Product Weight
167 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
Special features
SS meter guides
Type
Multiple metering
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 3MM420R12RLBCPS
Feature → SS meter guides; Business Impact → Precise meter alignment reduces field wiring errors and rework; Application → Ideal for outdoor residential meter stacks in multi-tenant or mixed-use developments. Feature → 200A sockets with 120/208V capability; Business Impact → Supports standard utility service levels and broader compatibility with feeders and panels; Application → Suitable for outdoor metering in residential and light commercial projects, enabling faster interconnection. Feature → Four sockets and 3-ph in, 1-ph out configuration; Business Impact → Enables efficient multi-meter distribution with simplified routing; Application → Common in four-meter rooftop or pedestal installations where space is at a premium. Feature → Ringless design and 5-jaw arrangement; Business Impact → Improves safety and ease of installation while accommodating diverse metering layouts; Application → Favorable for outdoor installations requiring flexible mounting geometry. Feature → Catalog notes including a fifth jaw at 9 o'clock; Business Impact → Provides installer versatility and quicker configuration changes; Application → Critical for field adaptability during expansion or reconfiguration. Feature → UL Listed and rugged outdoor construction; Business Impact → Meets safety standards and environmental exposure demands, reducing compliance risk; Application → Outdoor residential and light commercial metering environments where reliability matters. Insight → The 3MM420R12RLBCPS is designed to integrate with Eaton’s broader metering portfolio, supporting scalable upgrades and standardized procurement across projects, while delivering measurable time-savings and reduced total cost of ownership.
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FAQs
The 3MM420R12RLBCPS is designed for outdoor use with four sockets and a 5-jaw configuration, including a fifth jaw at 9 o'clock for flexible mounting. It supports 200A service and 120/208V, enabling straightforward integration into existing meter canopies. Installers benefit from clear meter guides and a ringless design that reduces wiring interference and speeds up the commissioning process.
Key compatibility specs include four sockets, 200A socket capacity, 120/208V operation, and a 3-phase in, 1-phase out arrangement. The unit also features SS meter guides for precise alignment, a 64.5 in height, and a 13.5 in depth, ensuring it fits standard outdoor footprints while supporting multiple metering points.
Yes, the 3MM420R12RLBCPS is UL Listed, providing recognized electrical safety certification. Its outdoor-rated construction and materials are designed to withstand weather exposure, making it suitable for exterior meter stacks in residential and light commercial settings.
Warranty terms follow Eaton Selling Policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This warranty supports field reliability and mitigates risk during initial commissioning and early operation phases of the metering installation.
SS meter guides enhance alignment accuracy during installation, reducing mis-wiring and rework. For outdoor multi-meter stacks, this feature accelerates setup, improves consistency across multiple meters, and supports easier future expansions without compromising safety or performance.