Eaton 35MM240R124092 Meter Stack - UL Listed
Part Number: 35MM240R124092
Quick Summary
Eaton 35MM240R124092 Meter Stack delivers compact, high-capacity metering and main distribution for commercial facilities. Facility engineers frequently face bulky equipment, restricted bus capacity, and long lead times when upgrading metering, making projects costly and risky. This unit carries UL Listed certification, reinforcing safety compliance for modern commercial metering installations. The plug‑in socket design, combined with a 3‑phase module and a 400A service, enables faster installation, easier maintenance, and reliable fault isolation. In addition, the assembly supports 120/240V and 208Y/120V networks, with a ringless aluminum 1200A bus and lever bypass to streamline service operations. For procurement teams, this translates to predictable lead times and stronger energy management outcomes.
Product Information
Extended Description
35MM240R124092 Eaton: Eaton 35MM commercial meter stack, 3-Phase Module, 400A, K-frame included secondary breaker, (1) 200A and (1) 250A breaker installed, 400A socket, 208Y/120V, Ringless, Al 1200A bus, Lever bypass, Five-jaws, 2 sockets
Product Name
Eaton 35MM commercial meter stack
Catalog Number
35MM240R124092
UPC
786689061876
Product Length/Depth
66.625 in
Product Height
8.75 in
Product Width
19.375 in
Product Weight
320 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
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
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 35MM240R124092
3-Phase module and 400A service with pre-installed 200A and 250A breakers maximize load handling while minimizing field modifications. This supports faster commissioning, reduces wiring complexity, and improves fault isolation in commercial metering scenarios. Use cases include office towers, retail centers, and small data centers where reliable energy measurement and scalable expansion are required. Plug-in socket construction simplifies installation and minimizes mis-wiring risk compared with hard-wired alternatives. The design accelerates panel integration and reduces commissioning time, lowering total installed cost. This approach is particularly beneficial for retrofit projects and new builds where schedule pressure is high and accuracy matters for energy billing. Ringless, aluminum 1200A bus enhances current carrying capability and reduces arc resistance, contributing to smoother operation and longer life under high-demand loads. Paired with lever bypass, it delivers safer maintenance and faster service isolation during outages or testing, helping facilities stay productive with minimal downtime. Five-jaws and dual sockets provide flexibility for expansion and future metering needs while maintaining compact footprint. The included 400A socket and 2 installed breakers support straightforward upgrades to meet evolving loads. This is advantageous for tenants or campuses where phased capacity upgrades are common, reducing capital expenditure over time. Flexible exit options and outdoor readiness with top, bottom, or back exit capability and rainproof hub compatibility support diverse installation sites. Catalog notes specify 120/240V single-phase three-wire systems and 208Y/120V metering, enabling reliable operation across the most common power architectures. UL Listed certification reinforces safety and compliance for enterprise-scale metering projects.
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FAQs
The 35MM240R124092 supports main tenant feeders exiting from top, bottom, or back as noted in the catalog. Begin by verifying the enclosure and bus connections, then mount the unit using the provided hardware. Ensure correct alignment with the main bus and slip the plug-in sockets into place. This approach minimizes wiring errors and reduces commissioning time, especially in retrofit projects or new builds where space is constrained.
This meter stack is a 3-Phase module rated for up to 400A service, with a 208Y/120V network and 120/240V single-phase capability. It uses a ringless aluminum 1200A bus, includes a lever bypass, five-jaws, and two sockets, and weighs 320 lb. The unit is UL Listed, and the catalog notes describe its capability for mixed-voltage metering in commercial installations.
Outdoor suitability is supported by design considerations in the catalog notes, including top-entry configurations with rainproof hubs for outdoor use. For outdoor applications, install Myer type hubs on a rainproof cap. Ensure proper enclosure ratings and follow local codes. The UL Listed status confirms safety compliance for commercial metering in varied environments.
The unit supports 120/240V single-phase, three-wire systems as well as 208Y/120V networks. This makes it suitable for a range of commercial, multi-tenant, and light industrial applications needing accurate energy measurement across different feeders. The plug-in socket design and 400A service provide install-time flexibility for phased capacity upgrades.
ROI comes from faster installation and commissioning due to the plug-in socket design, safer maintenance with lever bypass, and scalable capacity through pre-installed breakers. The unit’s UL Listed safety certification reduces risk and compliance costs, while the 66.625 in length, 19.375 in width, and 8.75 in height support efficient space utilization in commercial electrical rooms, delivering predictable lead times and energy management benefits.