Eaton 3MM520R12RLBC Residential Meter Stack - UL Listed
Part Number: 3MM520R12RLBC
Quick Summary
The Eaton 3MM residential meter stack enables multiple metering in outdoor electrical distributions for multi-tenant or commercial spaces. Engineers and procurement teams often grapple with wiring complexity, phasing challenges, and code-compliance bottlenecks in outdoor metering. This product is UL Listed, delivering safety and reliability for outdoor service, with a 200A main rating and 120/208Vac operation plus a 1200A bus to support complex metering layouts. The meter stack features a 5-jaw socket system with a fifth jaw at the 9 o’clock position to simplify field wiring and reduce installation steps. In practice it shortens project timelines, improves metering accuracy, and scales with tenant or facility growth while complying with current electrical standards.
Product Information
Extended Description
3MM520R12RLBC Eaton: Eaton 3MM residential meter stack, Multiple metering, 200A, Cu, Bus:1200A, Horn by, Outdoor, Depends on selected MCB, 5-jaw, 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
3MM520R12RLBC
UPC
786685513331
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
Catalog Notes
Fifth jaw included at 9oclock position
Type
Multiple metering
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 3MM520R12RLBC
Feature: Multiple metering capability supports separate utility billing and load management for each tenant. Business Impact: Enables accurate chargebacks, better energy management, and simpler financial reconciliation. Application: Multi-tenant residential or light commercial buildings seeking scalable metering. Feature: Outdoor-rated, robust enclosure with a 200A main rating and 120/208Vac operation ensures reliable service in external environments. Business Impact: Improves system availability and reduces weather-related failures, lowering maintenance costs. Application: Outdoor electrical distributions demanding durable, code-compliant enclosures. Feature: 1200A bus rating and 5-jaw socket configuration, including a fifth jaw at 9 o’clock, streamline wiring and reduce field termination time. Business Impact: Cuts installation time by minimizing component handling and miswiring risks. Application: New builds and retrofit projects with complex metering routes. Feature: Type: Multiple metering; 3-phase in, 1-phase out supports flexible feeder configurations. Business Impact: Simplifies phasing and metering topology, enabling precise load monitoring and fault isolation. Application: Multi-phase service installations in outdoor booths or utility enclosures. Feature: UL Listed certification and Eaton’s warranty framework provide compliance and protection against unexpected downtime. Business Impact: Improves buyer confidence, risk management, and total cost of ownership. Application: Enterprises prioritizing safety certifications and predictable maintenance planning. Feature: Compatibility with various MCB selections and field configurations, dependent on chosen MCB, offers installation flexibility. Business Impact: Facilitates tailoring to project-specific protection schemes, reducing rework. Application: Projects requiring customized protection and metering setups.
Get a Quick Quote for a Eaton 3MM520R12RLBC
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton 3MM520R12RLBC?
Enquire Now
FAQs
The 3MM520R12RLBC supports outdoor multi-metering with 200A main and 120/208Vac operation, 3-phase in with 1-phase out, and a 1200A bus. It uses a 5-jaw socket system, including a fifth jaw at the 9 o’clock position to simplify field wiring and reduce termination steps. Compatible with common MCB protection schemes chosen during project planning.
Key specifications include a 200A main rating, 120/208Vac operation, 1200A bus rating, and multiple metering capability. It features 5-jaw sockets (with a fifth jaw at 9 o’clock) for streamlined termination, outdoor suitability, and UL Listed safety certification, enabling accurate tenant-level or facility-level metering.
Yes. The 3MM520R12RLBC is designed for outdoor multi-metering in residential and light commercial environments. Its 200A main, 120/208Vac capability, and 1200A bus rating support scalable tenant metering while its UL Listed status ensures safety and compliance for outdoor service installations.
The meter stack is UL Listed, which confirms conformance with recognized safety standards for electrical equipment used in outdoor metering. This certification supports compliance with most regional electrical codes and utility requirements, reducing site approval time and risk during commissioning.
The 3MM520R12RLBC offers durable outdoor construction, simplified wiring with the additional fifth jaw, and reduced installation time, which lowers labor costs during initial deployment. Its UL Listing and robust bus architecture support long-term reliability, minimizing downtime and maintenance costs for multi-tenant metering installations.