Eaton 35MM240R1240C45 Meter Stack - UL Listed
Part Number: 35MM240R1240C45
Quick Summary
Eaton 35MM240R1240C45 is a plug-in socket meter stack designed for commercial and light-industrial metering applications. Contractors and engineers face space constraints, complex entry points, and the challenge of coordinating main feeders in dense electrical rooms. This unit carries UL Listed certification and a NEMA 3R enclosure, with 120/240V operation and 208Y/120V network metering options to support diverse installations. By combining flexible exit configurations—top, bottom, or back—with compatible MCBs, it streamlines installation, reduces wiring errors, and improves metering accuracy. The result is a scalable, code-compliant solution that supports efficient utility metering while aligning with broader power-management goals.
Product Information
Extended Description
35MM240R1240C45 Eaton: Eaton 35MM commercial meter stack, Plug-in socket, 400A, Cu, Bus:1200A, Lever, NEMA 3R, Depends on selected MCB, 5-jaw, Sockets:2, 3-phase in, 1-phase out, A-B, (1) 400A and (1) 350A breakers installed, Ringless, Socket:400A, 120/240 Vac
Product Name
Eaton 35MM commercial meter stack
Catalog Number
35MM240R1240C45
UPC
786689166045
Product Length/Depth
66.625 in
Product Height
8.75 in
Product Width
19.375 in
Product Weight
320 lb
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
Type
Plug-in socket
Number of jaws
Five-jaw
Number of sockets
2
Phase
Three-phase in, single-phase out
Amperage Rating
400A
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 35MM240R1240C45
Selling Policy 25-000 - Distribution and Control Products and Services
Plug-in socket design simplifies installation and reduces field wiring errors, delivering quicker, more reliable metering assembly in commercial panels. This translates to lower labor costs and faster project turnover in data centers and large facilities. The 400A amperage rating with two sockets supports heavy feeders and enables accurate, multi-channel metering for three-phase input and single-phase output, improving monitoring and bill verification for sizable loads. Five-jaw, ringless connectors provide secure, flexible topology that accommodates diverse metering configurations while minimizing arc risks and contact wear. A NEMA 3R enclosure delivers weather resistance suitable for outdoor service entrances, enabling year-round reliability in harsh environments without extra enclosure upgrades. Exit options—top, bottom, or back—along with rainproof hub compatibility simplify field routing and reduce retrofit complexity when expanding or reconfiguring feeders. Compatibility with selected MCBs ensures seamless integration with existing protection schemes and minimizes total-cost-of-ownership through standardized Eaton components and documented wiring practices.
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FAQs
This meter stack supports top, bottom, or back exit configurations and uses a 5-jaw plug-in design with two sockets. It is compatible with selected Eaton MCBs and can exit feeders through multiple faces, simplifying integration into existing commercial panels and reducing field wiring changes during upgrades or expansions.
The unit is rated at 400A with three-phase in and single-phase out, featuring two sockets and five-jaw plug-in connections. It operates at 120/240Vac and supports 208Y/120V metering networks, enabling flexible feeder configurations for large commercial loads while aligning with typical service entrance schemes and protection coordination.
Yes. The enclosure is UL Listed and specified as a NEMA 3R unit, offering weather resistance. For outdoor top Exit installations, rainproof hub mounting with Myer-type hubs is recommended, ensuring reliable operation in exposed environments without additional retrofits.
The meter stack measures 66.625 inches in length (depth), 8.75 inches in height, and 19.375 inches in width, with a weight of approximately 320 pounds. Plan for a dedicated allocation in the equipment room and appropriate lifting provisions during installation.
The plug-in design reduces field wiring time and minimizes connection errors, accelerating commissioning and future upgrades. UL Listing and NEMA 3R protection support long-term reliability in varied environments, decreasing maintenance events and downtime. Compatibility with standard MCBs further lowers spare-part and training costs, delivering a favorable total-cost-of-ownership over traditional meter stacks.