Eaton 3MM520RRLBC Residential Meter Stack - UL Listed
Part Number: 3MM520RRLBC
Quick Summary
Eaton 3MM520RRLBC residential meter stack provides multiple metering for outdoor 200A service. For electricians and facility managers, installing reliable multi-metering in outdoor spaces can be time-consuming and error-prone. UL Listed safety certification underpins code compliance and risk management in residential and light-commercial deployments. Designed for compatibility with Eaton metering products and outdoor distribution systems, it helps streamline procurement and installation while ensuring accurate, billable metering.
Product Information
Extended Description
3MM520RRLBC Eaton: Eaton 3MM residential meter stack, Multiple metering, 200A, Cu, Bus:800A, Horn bypass, Outdoor, Depends on selected MCB, 5-j, Sockets:5, 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
3MM520RRLBC
UPC
782116960934
Product Length/Depth
13.5 in
Product Height
74.96 in
Product Width
6.87 in
Product Weight
106 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 - 3MM520RRLBC
Feature: Multiple metering with 200A service and 800A bus enables parallel measurement across tenants or circuits. Business Impact: Supports accurate billing, tenant separation, and reduced cabinet count, improving cost efficiency in multi-tenant buildings. Application: Ideal for residential complexes and light-commercial properties where shared service requires separate metering. Feature: Outdoor-ready enclosure and robust construction withstands weather exposure, reducing enclosure needs and maintenance. Application: Outdoor meter stacks in parking structures, building exteriors, and service entrances. Feature: UL Listed certification provides safety assurances and code compliance, lowering risk during inspection and operation. Application: Essential for projects targeting regulatory clearance and insurance requirements. Feature: Compact footprint with 13.5 in depth, 74.96 in height, and 6.87 in width while supporting 5 sockets and ringless design facilitates easier wiring. Application: Fits standard mounting provisions in outdoor cabinets and service bays. Feature: 5 sockets, 3-phase in and 1-phase out, 120/208Vac, and a 200A service with 800A bus simplify integration with existing MCBs and metering modules. Application: Streamlined integration with Eaton metering products and distribution systems. Feature: Documentation access via Eaton catalogs and datasheets aids installation planning and compliance checks. Application: Reduces engineering lead time and improves on-site accuracy.
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FAQs
Installation begins with securing the outdoor frame in a code-compliant enclosure, then wiring 3-phase input to the bus and 1-phase outputs to the respective circuits. Ensure 120/208 Vac operation and a 200A service with an 800A bus rating, verify the 5 sockets are populated as required, and reference the Eaton specification sheet for any MCB compatibility notes. Always follow local electrical codes and UL guidelines.
The unit is designed for multiple metering and works with selected MCBs compatible with 200A service. It features 5 sockets, 3-phase in, and 1-phase out, with 120/208 Vac voltage. For best results, consult the Eaton datasheet to identify exactly which MCB modules and accessories are approved for use with this model.
Yes, the Eaton 3MM520RRLBC carries UL Listed certification, which supports safety and compliance with applicable electrical standards. Always verify project requirements and reference the Eaton specification sheet for any additional compliance notes or regional code considerations.
The product is covered by Eaton’s warranty policy: one year from the date of installation or eighteen months from the date of shipment, whichever occurs first. Retain proof of purchase and installation records to validate warranty coverage during service inquiries.
Best suited for multi-tenant residential properties and light-commercial outdoor metering, the 3MM520RRLBC supports multiple metering with a 200A service, 5 sockets, and 120/208 Vac operation. Its outdoor readiness and UL Listing make it a strong fit for outdoor service entrances, apartment complexes, and small commercial buildings needing separate metering without extensive enclosure upgrades.