Eaton 35SS320RAC Commercial Meter Stack - UL Listed
Part Number: 35SS320RAC
Quick Summary
The Eaton 35SS320RAC is a commercial meter stack designed for reliable, multi-meter service in industrial and light-commercial facilities. Facilities often battle space constraints, incompatible meter configurations, and lengthy installation schedules that delay projects. This unit helps address those challenges with a compact five-jaw design, top/bottom/back exit options, and a robust 1200 A bus rating. UL Listed and EUSERC Approved, the stack is built for utility compatibility and regulatory compliance, while the NEMA 3R enclosure supports dependable outdoor operation. By standardizing metering hardware, it reduces field wiring errors and accelerates commissioning. With 120/240 V capability and modular secondary protection, it also aligns with broader low-voltage distribution strategies and metering product families.
Product Information
Extended Description
35SS320RAC Eaton: Eaton commercial meter stack, Socket amperage: 225A, Amperage rating: 200A, Aluminum, Bus rating: 1200A, Test bypass, NEMA 3R, Depends on selected MCB, Five-jaw, 3 Sockets, Three-phase in, single-phase out, Ring, 120/240 Vac
Product Name
Eaton 35SS commercial meter stack
Catalog Number
35SS320RAC
UPC
782114055083
Product Length/Depth
62 in
Product Height
10 in
Product Width
22 in
Product Weight
179 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.
Compliances
EUSERC Approved
Certifications
UL Listed
Catalog Notes
Main tenant feeders can exit top, bottom, or back, If being used in outdoor application and exiting the top, mount Myer type hubs on rainproof cap. 120/240V, single-phase, three-wire systems and 208Y/120V network metering
Utility approvals
ID : Idaho Power OR : Idaho Power WA : Seattle City Light AK : Anchorage Municipal Light & Power NV : NV Energy HI : Hawaiian Electric AZ : Tucson Electric Power/ UniSource AZ : Sulphur Springs Valley Electric Coop WA : Puget Sound Energy WA : Tacoma Public Utilities
Interrupt rating
Depends on selected main circuit breaker
Secondary circuit breaker
EHD2_, CCV2_X, CCVH2_X, CVS2_X, CV2_X, CVH2_X
Enclosure
Indoor/outdoor
Voltage rating
120/240 V
Amperage Rating
200A
Bus material
Aluminum
Bus Rating
1200 A
Bypass
Test
Number of jaws
Five-jaw
Number of sockets
3
Phase balance
A-C
Security
Ring
Socket amperage
225A
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 35SS320RAC
Feature: Five-jaw, three sockets with three-phase in and single-phase out, socket amperage 225A, and a 200A amperage rating. Business Impact: Enables flexible service paths, enhances fault isolation, and reduces field rework by using common components across phases. Application: Ideal for mid-size commercial facilities and light industrial sites with mixed three-phase and single-phase loads. Feature: 1200 A bus rating paired with an aluminum bus material. Business Impact: Supports load growth without changing enclosures, lowering total cost of ownership and maintenance complexity. Application: Facilities planning expansion or utility-interfaced metering strategies. Feature: NEMA 3R enclosure with indoor/outdoor capability. Business Impact: Weather resistance reduces outdoor installation risk and extends service life, improving uptime. Application: Outdoor meter stacks in campuses or exposed utility zones. Feature: Test bypass capability. Business Impact: Streamlines commissioning and maintenance testing, minimizing downtime and improving safety. Application: New builds and service upgrades with scheduled testing windows. Feature: Flexible feeder exit options (top, bottom, back) and rainproof cap for outdoor use. Business Impact: Simplifies integration with existing busways and reduces custom fabrication. Application: Retrofit projects and new constructions with space constraints. Feature: Compliance highlights UL Listed and EUSERC Approved. Business Impact: Accelerates utility interconnection approvals and mitigates regulatory risk. Application: Projects aligned with Idaho Power, Seattle City Light, NV Energy and similar programs. Feature: Compatible secondary breakers (EHD2_, CCV2_X, CCVH2_X, CVS2_X, CV2_X, CVH2_X). Business Impact: Optimizes protection coordination and lets designers select preferred MCB subsets. Application: Systems requiring staged overcurrent protection in metering enclosures. Feature: Phase balance A-C, five-jaw security ring, and ring-based access. Business Impact: Improves fault tracing and safe operation while simplifying maintenance checks. Application: Metering enclosures in busy facilities with multiple feeders. Feature: Catalog notes permitting main tenant feeders exit top, bottom, or back. Business Impact: Offers installation flexibility and reduces field customization. Application: Retrofit projects across varied building layouts.
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FAQs
Eaton 35SS320RAC meters support top, bottom, or back exit configurations and a rainproof cap option for outdoor use, reducing field fabrication. Ensure compatibility with the main circuit breaker, supply wiring matches 120/240 V, and that the enclosure is sized for the 1200 A bus rating. Verify mounting clearances and utility coordination for a smooth interconnection.
Key specs include a 120/240 V voltage rating, 200 A amperage rating, 225 A socket amperage, 1200 A bus rating, five-jaw design, and three sockets with three-phase in and single-phase out. The enclosure is indoor/outdoor rated with a NEMA 3R protection class, and the unit is UL Listed with EUSERC approval for utility acceptance.
Yes. The 35SS320RAC features an indoor/outdoor enclosure and supports outdoor installation with rainproof cap options when required. It has a NEMA 3R rating suitable for exterior metering installations, helping to maintain reliability in exposed environments and reducing the need for additional weatherproof housings.
The 35SS320RAC is UL Listed and EUSERC Approved, indicating compliance with safety standards and utility interconnection requirements. These certifications facilitate utility approvals and reduce field engineering time. They also provide assurance for cross‑utility installations across regions that recognize EUSERC programs.
Maintenance benefits come from test bypass capability that speeds commissioning and simplifies routine checks, along with a robust 1200 A bus and modular protection options. ROI improves through reduced labor for wiring changes, faster metering readiness, and lower replacement costs due to a scalable, durable enclosure suited for evolving load profiles.