Eaton 35MM240R1240C92 Commercial Meter Stack - UL Listed
Part Number: 35MM240R1240C92
Quick Summary
Eaton 35MM commercial meter stack is a three-phase metering module designed for commercial power distribution. Facilities often struggle with space constraints and the need for reliable, code-compliant metering in busy electrical rooms. This meter stack carries UL Listed safety certification and is suitable for 120/240V single-phase and 208Y/120V three-phase networks, supporting accurate metering in diverse installations. By combining compact footprint with robust bus and bypass capabilities, it delivers tangible business value through improved reliability, easier maintenance, and scalable metering for growing electrical infrastructure. Ideal for commercial buildings, data centers, and light‑industrial facilities seeking efficient integration with existing power distribution schemes.
Product Information
Extended Description
35MM240R1240C92 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, Cu 1200A bus, Lever bypass, Five-jaws, 2 sockets
Product Name
Eaton 35MM commercial meter stack
Catalog Number
35MM240R1240C92
UPC
786689165987
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 - 35MM240R1240C92
Feature → Business Impact → Application: The 35MM240R1240C92 uses a plug-in socket design with five jaws and two sockets, enabling quick, secure terminations that reduce commissioning time while maintaining high fault tolerance. This directly lowers installation labor costs and improves safety during panel assembly in commercial spaces. Application: suitable for spaces where space-saving, multi‑voltage metering is required in offices, retail complexes, or small industrial facilities. Feature → Business Impact → Application: With a 400A amperage rating and a three-phase in, single-phase out configuration, this stack supports large feeders while simplifying downstream metering planning. Application: ideal where mixed loads exist and critical loads demand accurate monitoring with minimal cabinet depth. Feature → Business Impact → Application: The included K-frame secondary breaker and pre-installed 200A and 250A breakers reduce component counts, shorten project timelines, and improve reliability by minimizing field wiring errors. Application: retrofits and new builds requiring fast deployment of compliant metering stacks. Feature → Business Impact → Application: Five‑jaw, ringless copper 1200A bus and lever bypass provide high current capability with easy bypass service for maintenance, reducing downtime during service work. Application: heavy-load commercial deployments with frequent testing or maintenance windows. Feature → Business Impact → Application: Catalog notes allow top, bottom, or back exit of main tenant feeders, plus rainproof hub options for outdoor use; this flexibility improves outdoor installations and reduces weather-related failures. Application: outdoor utility rooms or exterior meter enclosures where weatherproofing is essential. Feature → Business Impact → Application: UL Listed certification communicates compliance with industry safety standards, helping you meet code obligations and accelerate audits. Application: facilities pursuing regulatory compliance and safer, auditable metering solutions. The combination of these features supports improved energy visibility, reduced operational risk, and a faster path to commissioning in commercial and light‑industrial projects.
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FAQs
The main tenant feeders can exit the unit from the top, bottom, or back, offering flexible mounting in various panel configurations. For outdoor applications where the top exit is used, install rainproof hubs to protect connections and maintain weather sealing. This flexibility reduces enclosure depth requirements and simplifies retrofit projects.
This meter stack is rated at 400A with three‑phase in and single‑phase out, supporting 208Y/120V metering and 120/240V single‑phase systems. It uses a Five-jaw plug‑in socket, two sockets total, and includes a Cu 1200A bus, enabling robust, scalable metering for mixed-load facilities.
Yes, it is UL Listed, ensuring compliance with electrical safety standards. For outdoor installations, you can employ rainproof hubs and Myer type hubs as needed to maintain weatherproof integrity while meeting enclosure and metering requirements in exterior spaces.
The stack ships with a 400A rating and includes a main tenant bus with a K-frame secondary breaker, plus installed breakers of 200A and 250A. This reduces the need for additional breakers, speeds up installation, and simplifies future maintenance by providing ready-to-wire, preconfigured protection.
Its compact footprint, dual-socket arrangement, and five‑jaw design enable efficient metering for multiple tenants without sacrificing bus capacity. The unit supports space optimization, faster commissioning, and reliable monitoring of branch circuits, helping owners track energy use, improve efficiency, and stay in compliance with metering standards.