Eaton 3MM420RRLBCPS Residential Meter Stack - UL Listed
Part Number: 3MM420RRLBCPS
Quick Summary
Eaton 3MM residential meter stack is a scalable multi-meter enclosure for commercial and residential power distribution. It helps reduce wiring errors and field rework by providing a rugged, centralized metering solution. UL Listed certification underpins safety and compliance, while the metal guide and 200A/800A ratings support reliable service. For project leaders and installers, this stack offers straightforward installation, durable construction, and compatibility with 120/208Vac systems and multi-meter configurations. Its size—64.5 in height, 7.01 in width, 13.5 in depth—accommodates space-constrained installations while delivering robust service. Warranty coverage and Eaton's service policies help protect long-term project ROI.
Product Information
Extended Description
3MM420RRLBCPS Eaton: Eaton 3MM residential meter stack, Multiple meter, Metal meter guide, 200A, Al, Bus:800A, Horn, Out, Depends on 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
3MM420RRLBCPS
UPC
786685525839
Product Length/Depth
13.5 in
Product Height
64.5 in
Product Width
7.01 in
Product Weight
102 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
Type
Multiple metering
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 3MM420RRLBCPS
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Multi-meter stacking in a single enclosure → Business Impact: Consolidates metering hardware, reduces footprint, and simplifies fault isolation → Application: Large residential complexes, multi-tenant buildings, and light commercial projects. Feature: 200A socket with 800A bus rating → Business Impact: Supports high-load circuits and future expansion without swapping enclosures → Application: High-demand residences and small workplaces where reliability matters. Feature: 120/208Vac compatibility → Business Impact: Enables seamless integration with common utility and facility power systems, lowering wiring complexity → Application: Buildings with mixed lighting and appliance circuits relying on standard commercial voltages. Feature: Metal meter guide and ringless design → Business Impact: Improves durability, vandal resistance, and ease of maintenance, reducing downtime → Application: Outdoor or semi-exposed installation environments where weathering is a concern. Feature: 3-ph in, 1-ph out, four sockets, five-jaw configuration → Business Impact: Optimizes feeder routing and metering accuracy while simplifying field wiring → Application: Multi-phase residential feeders and controlled metering zones. Insight: The enclosure’s robust construction aligns with industry best practices for utility-ready metering points, helping installers meet deadlines and compliance requirements while controlling project costs.
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FAQs
Yes. The 3MM420RRLBCPS is designed as a multi-meter stack suitable for typical 200A service configurations. It uses a 5-jaw, four-socket arrangement with a metal meter guide, enabling straightforward mounting and wiring inside standard residential and light commercial spaces. Always consult the datasheet for exact mounting clearances and field wiring guidance.
Key specs include a 200A socket, an 800A bus rating, and operation at 120/208Vac. It supports multiple metering with 3-phase in and 1-phase out configurations and provides four sockets for concurrent meters. This combination supports reliable metering across multi-tenant installations while maintaining safety margins.
Ideal for multi-tenant residential buildings, such as apartments and condominiums, as well as light commercial facilities requiring centralized metering. The design supports shared metering points and scalable capacity, helping property owners manage energy usage and billing more efficiently while staying within standard voltage and service requirements.
The Eaton 3MM420RRLBCPS is UL Listed, providing recognized safety certification for electrical equipment. This certification supports compliance with national safety standards, easing procurement for projects that require proven product safety. No additional certifications are listed in the provided specifications.
The metal construction and integrated meter guide minimize corrosion risk and field damage, reducing maintenance cycles. With a 25-000 warranty policy window and Eaton's service support, owners can expect lower lifecycle costs and fewer unexpected outages. The centralized metering reduces installation time and routing complexity, improving project ROI for new-build or retrofit projects.