Eaton 3MM212RRLBCPS Residential Meter Stack - UL Listed
Part Number: 3MM212RRLBCPS
Quick Summary
The Eaton 3MM212RRLBCPS residential meter stack enables multi-metering for outdoor, multi-tenant power systems. This design addresses the challenge of servicing multiple tenants without sacrificing safety or ease of access. UL Listed and CPS approved help ensure compliance in outdoor environments where weather exposure and concurrent loads matter. With 125 A service, 800 A bus, and three-phase-in, single-phase-out capability, it supports scalable metering for commercial and residential installations. This solution also offers outdoor readiness, a fifth jaw option, and compatibility with common MCB configurations to streamline field setup. Designed for outdoor enclosures, it simplifies procurement, installation, and ongoing maintenance, reducing total cost of ownership.
Product Information
Extended Description
3MM212RRLBCPS Eaton: Eaton 3MM residential meter stack, Multiple metering, 125A, Al, Bus:800A, Horn bypass, Outdoor, Depends on selected MCB, 3-jaw, Sockets:2, Three-phase in, single-phase out, A-B, BR2_, BRH2_, BRHH2_, BRX2, Ringless, Socket:125A, 120/208Vac
Product Name
Eaton 3MM residential meter stack
Catalog Number
3MM212RRLBCPS
UPC
786685391304
Product Length/Depth
12.26 in
Product Height
41.8 in
Product Width
7.01 in
Product Weight
11 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, CPS approved
Type
Multiple metering
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 3MM212RRLBCPS
Feature → Business Impact → Application: Multiple metering with 125A service, 800A bus rating, 2 sockets, and a 3-jaw design enables independent tenant energy accounting while maintaining a compact footprint. Benefit: Improves bill accuracy, reduces need for separate enclosures, and supports rapid tenant onboarding. Application: Ideal for multifamily properties and small commercial developments needing scalable outdoor metering. Feature → Business Impact → Application: Outdoor-rated enclosure and CPS approved labeling provide weather resistance and regulatory confidence. Benefit: Minimizes maintenance downtime and ensures compliance in harsh environments. Application: Outdoor meter stacks serving exterior electrical distributions. Feature → Business Impact → Application: Fifth jaw included at 9 o’clock position simplifies field assembly and reduces part counts. Benefit: Speeds up commissioning and lowers installation risk. Application: On-site installations where quick configuration is critical. Feature → Business Impact → Application: 120/208Vac input with ringless, 3-phase in, single-phase out supports flexible service configurations. Benefit: Enables versatile metering layouts, accommodating diverse building loads. Application: Mixed-use buildings with variable tenant loads. Feature → Business Impact → Application: UL Listed and CPS approved labeling provides certified safety and regulatory assurance. Benefit: Streamlines procurement and risk management for owners and contractors. Application: Projects requiring compliant, long-term outdoor metering solutions. Feature → Business Impact → Application: 125A service and 800A bus support future load growth without upgrading hardware. Benefit: Protects capital investments and extends asset life. Application: New developments and retrofits anticipating tenant expansion.
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FAQs
When installing the Eaton 3MM212RRLBCPS, plan for outdoor mounting in a weather-protected enclosure and ensure adequate clearance for access to the 2 sockets and the fifth jaw. The unit ships with a fifth jaw at 9 o'clock and is CPS approved, which simplifies field assembly. Verify compatibility with your MCBs and ensure all connections meet local electrical codes; UL Listed labeling confirms compliance for outdoor applications.
The unit provides multiple metering capability through 125A service with an 800A bus, two sockets, and a 3-jaw design, enabling separate measurements per tenant. It supports three-phase in and single-phase out, and is designed for ringless operation with common MCB compatibility, allowing straightforward installation and scalable tenant metering for buildings with diverse load profiles.
Yes. The Eaton 3MM212RRLBCPS is explicitly designed as an outdoor residential meter stack for multifamily and light commercial applications. Its outdoor-rated enclosure, UL Listed certification, CPS approval, and compatibility with common MCB configurations make it a practical solution for exterior metering enclosures, tenant separation, and energy accountability across multiple units.
This meter stack carries UL Listed certification and CPS approval, validating safety and compliance for outdoor metering installations. The catalog notes also indicate a fifth jaw included at the 9 o'clock position, facilitating CPS-approved field installation. These certifications support procurement, installation, and long-term regulatory adherence for building owners and contractors.
The product carries Eaton's warranty policy 25-000, offering one year from the date of installation or eighteen months from shipment, whichever occurs first. This provides coverage for manufacturing defects and certain performance issues. For service, refer to Eaton's warranty terms and contact customer support for process details, replacements, or technical assistance related to outdoor metering equipment.