Eaton 1MM320RRLBCPS Residential Meter Stack - UL Listed

Part Number: 1MM320RRLBCPS
Manufacturer
Eaton
Part number
1MM320RRLBCPS

Quick Summary

The Eaton residential meter stack is a modular enclosure for multi-meter residential metering, enabling precise, centralized energy measurement in multifamily and mixed-use facilities. This design addresses common pains such as limited install space, long field wiring times, and the need for safe, code-compliant metering in harsh or outdoor environments. It carries UL Listed safety certification and a NEMA 3R enclosure rating, ensuring reliable performance in both indoor and outdoor installations, plus CPSB utility approval for city-specific projects. With a 200A amperage rating and an 800A bus, built from aluminum, and a four-jaw, ringless configuration for single-phase in/out at 120/240V, it delivers robust capacity with straightforward maintenance and upgrade paths.

Product Information

Extended Description

1MM320RRLBCPS Eaton: Eaton resi meter stack, SS meter guides, Multiple metering, 200A, Al, Bus: 800A, Horn bypass, NEMA 3R, Four-jaw, 3, Single-phase in/single-phase out, CCV2_X, CCVH2_X, CVS2_XMM, CV2_XMM, CVH2_XMM, Ringless, 120/240V
Product Name
Eaton residential meter stack
Catalog Number
1MM320RRLBCPS
UPC
786685525808
Product Length/Depth
13.5 in
Product Height
52.35 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
Special features
SS meter guides
Type
Multiple metering
Amperage Rating
200A
Bus material
Aluminum
Bus Rating
800 A
Bypass
Horn
Number of jaws
Four-jaw
Number of sockets
3
Phase
Single-phase in, single-phase out
Security
Ringless
Voltage rating
120/240 V
Utility approvals
TX : City Public Service of San Antonio (CPSB)
Enclosure
NEMA 3R
Interrupt rating
Depends on selected main circuit breaker
Secondary circuit breaker
CCV2_X, CCVH2_X, CVS2_XMM, CV2_XMM, CVH2_XMM
Feature: Multiple metering with SS meter guides enables centralized energy measurement across several service points, reducing the need for multiple separate enclosures. Business Impact: lowers field labor, minimizes wiring errors, and simplifies future metering upgrades. Application: ideal for multifamily housing and mixed-use developments where accurate sub-metering supports energy management and billing. Feature: 200A amperage rating with an 800A bus rating provides substantial service capacity and headroom for growth. Business Impact: avoids early equipment replacement and supports future load expansion without costly rework. Application: residential and light commercial service entrances that anticipate load growth. Feature: Four-jaw, ringless secondary design with horn bypass enhances safety and service continuity during maintenance. Business Impact: reduces maintenance downtime and improves reliability for critical metering points. Application: routine upgrades or breaker changes in occupied buildings. Feature: Aluminum bus construction combined with a NEMA 3R enclosure delivers strong structural integrity with manageable weight. Business Impact: easier handling in field installs and durable outdoor performance with corrosion resistance. Application: outdoor metering stacks in exposed environments. Feature: 120/240V single-phase in/out and three sockets align with standard residential wiring practices. Business Impact: simplifies integration with existing panels and reduces new wiring complexity. Application: single-phase residential metering for apartments, townhomes, and small commercial facilities.

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FAQs

Plan for a suitable space that accommodates a 52.35 inch height with 7.01 inch width and 13.5 inch depth. Ensure 120/240V single-phase service, space for four-jaw, ringless sockets, and the horn bypass option. The enclosure is NEMA 3R and UL Listed, suitable for outdoor or indoor installations, and CPSB-approved where local utilities require it.
It supports 200A amperage with an 800A bus rating, aluminum bus material, four-jaw and ringless configuration, 120/240V single-phase in/out, three sockets, and a NEMA 3R enclosure. It is UL Listed and designed for residential multi-meter metering with SS meter guides to simplify installation.
Yes. The 1MM320RRLBCPS is specifically designed for multiple metering in and across residential units, including multifamily and mixed-use buildings. It supports centralized metering with SS guides, offers safe, code-compliant installation, and is CPSB-approved where applicable.
The meter stack is UL Listed and housed in a NEMA 3R enclosure, providing weather resistance and safety compliance. It also carries CPSB utility approval, supporting utility interconnection requirements in certain markets.
Warranty follows Eaton’s policy: one year from installation or eighteen months from shipment, whichever comes first. Routine maintenance is minimal due to a robust design featuring a horn bypass and ringless, four-jaw construction, but periodic inspection of connections and enclosure integrity is recommended for outdoor installations.