Eaton 3MM412RC2BC Residential Meter Stack - UL Listed
Part Number: 3MM412RC2BC
Quick Summary
Eaton 3MM412RC2BC residential meter stack is designed for multiple metering in outdoor installations. This solution addresses the challenge of delivering scalable metering within a compact footprint while preserving future expansion capacity. Key certifications include UL Listed, supporting safe integration with building and utility interfaces and meeting industry safety standards. Built for outdoor environments, the stack uses a copper bus rated to 800A with 125A sockets to handle diverse loads. From procurement to maintenance, the design emphasizes field configurability and reliability, delivering quicker wiring, easier retrofits, and long-term compliance for multi-tenant projects. Its five-jaw configuration and field notes for ring versus ringless operation enhance adaptability in changing site requirements. This combination provides tangible business value through reduced installation time and improved metering versatility.
Product Information
Extended Description
3MM412RC2BC Eaton: Eaton 3MM residential meter stack, Multiple metering, 125A, Copper, Bus:800A, No bypass, Outdoor, Depends on selected MCB, Five-jaw, Sockets:4, 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
3MM412RC2BC
UPC
782114632017
Product Length/Depth
12.26 in
Product Height
48.5 in
Product Width
7.01 in
Product Weight
59 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. To change in field from ring to ringless-order 1MMRC125.
Type
Multiple metering
Feature: Multiple metering capability enables separate tenant energy accounting. Business Impact: Delivers precise consumption data for billing and energy management, reducing revenue leakage and disputes. Application: ideal for multifamily housing, mixed-use developments, and small commercial properties requiring independent metering. Feature: Copper bus with 800A total bus rating and 125A sockets. Business Impact: Improves conductor reliability, minimizes resistance, and supports reliable power distribution for high-demand periods. Application: outdoor enclosures and service panels where durability and accuracy are critical. Feature: Five-jaw configuration with field-change option for ring to ringless via 1MMRC125 (catalog note). Business Impact: Improves adaptability to site-specific metering arrangements and reduces field downtime. Application: retrofit projects or new installations that require layout flexibility. Feature: Three-phase in, single-phase out with four sockets; Outdoor; 120/208Vac operation. Business Impact: Supports mixed loads and simplifies distribution for multi-leg circuits. Application: apartment complexes and small campuses with diverse equipment. Feature: Outdoor-ready construction with UL Listed certification. Business Impact: Enables safe outdoor use under standard electrical codes, streamlines procurement, and ensures regulatory compliance. Application: exterior meter stacks in outdoor utility installations. Feature: Dimensions and weight (12.26 in L, 48.5 in H, 7.01 in W; 59 lb) and warranty terms. Business Impact: Aids space planning, shipping logistics, and risk management with a clear warranty window (one year from installation or eighteen months from shipment).
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FAQs
The Eaton 3MM412RC2BC is designed for outdoor multi-meter installations with three-phase in and single-phase out configuration and four sockets. It supports field configurability, including a fifth jaw option and ring-to-ringless changes using the 1MMRC125 modification, enabling quick adaptation to site-specific metering layouts without replacing the entire stack.
Key specifications include 125A sockets, copper bus rated to 800A, five-jaw assembly, outdoor use, and 120/208 VAC operation. It is configured for multiple metering with three-phase in and single-phase out, providing a robust platform for accurate energy measurement and flexible distribution in mixed-load facilities.
Yes, the 3MM412RC2BC is designed for outdoor installations, featuring a durable copper bus and a configuration that supports weather-exposed environments. It is UL Listed, which provides recognized safety certification for outdoor electrical equipment and helps ensure compliance with installation and maintenance standards.
This meter stack is UL Listed, indicating conformance with essential safety requirements for electrical equipment. UL Listing helps ensure safer integration with building electrical systems, reduces risk during installation, and supports compliance during inspections and audits for multi-tenant and outdoor metering projects.
Warranty terms follow Eaton policy: one year from the date of installation or eighteen months from the date of shipment, whichever occurs first. This warranty provides protection against manufacturing defects and supports planned maintenance programs for facility operators and property managers.