Eaton 35MM240R1240C33 Meter Stack, UL Listed

Part Number: 35MM240R1240C33
Manufacturer
Eaton
Part number
35MM240R1240C33

Quick Summary

Eaton 35MM240R1240C33 meter stack provides plug-in metering for commercial electrical systems. Facility engineers often struggle with wiring flexibility and outdoor reliability; this unit offers top, bottom, or back feeder exits and a rugged enclosure. UL Listed safety and a NEMA 3R-rated enclosure provide reliability in outdoor or harsh environments, with 120/240V metering and 208Y/120V options. Designed for commercial metering applications and multi-tenant facilities, it helps reduce installation time and commissioning costs. This plug-in socket design integrates with standard Eaton MCBs and supports efficient, scalable metering across spaces.

Product Information

Extended Description

35MM240R1240C33 Eaton: Eaton 35MM commercial meter stack, Plug-in socket, 400A, Cu, Bus:1200A, NEMA 3R, Lever bypass, Depends on selected MCB, 5-jaw, Sockets:2, 3-phase in, 1-phase out, A-B, (2) 300A breaker installed, Ringless, Socket:400A, 120/240 Vac
Product Name
Eaton 35MM commercial meter stack
Catalog Number
35MM240R1240C33
UPC
786689165901
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
Feature: Plug-in socket configuration with 2 sockets and 3-phase in, 1-phase out. Business Impact: Streamlines meter hookup, reduces field wiring, and accelerates commissioning in busy electrical rooms. Application: Ideal for commercial buildings and multi-tenant facilities where modular metering is required. Feature: UL Listed enclosure with NEMA 3R rating. Business Impact: Enhances safety and environmental resilience for indoor and outdoor installations, cutting risk and downtime. Application: Outdoor meter stacks at building entrances and outdoor electrical vaults benefit from weather protection. Feature: Flexible feeder exits (top, bottom, or back). Business Impact: Simplifies integration with existing feeder routes and minimizes costly field modifications. Application: Retrofit projects and new builds in constrained mechanical spaces gain installation latitude. Feature: Pre-installed hardware and bus rating (2 x 300A installed; 400A socket; 1200A bus). Business Impact: Reduces on-site assembly time and ensures reliable power distribution with fewer field connections. Application: Commercial service entrances and multi-tenant metering require rapid, dependable commissioning. Feature: Heavy-duty dimensions and metering capabilities (66.625 in L, 19.375 in W, 8.75 in H; 320 lb). Business Impact: Provides a robust, service-ready platform that supports high-density metering while maintaining mechanical integrity. Application: Large commercial facilities and data center corridors that demand durable meter stacks can rely on this unit. Feature: 120/240 VAC single-phase and 208Y/120V network metering with two sockets. Business Impact: Broad compatibility reduces custom transformer needs and accelerates cross-site deployments. Application: Building complexes, institutional campuses, and mixed-use facilities benefit from versatile metering options.

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FAQs

The meter stack is designed for plug-in metering with two sockets and 3-phase in, 1-phase out, supporting typical commercial service panels. Its top, bottom, or back exit option allows flexible routing to match existing wiring paths. With pre-installed components and a 1200A bus rating, it accelerates commissioning while maintaining secure, code-compliant connections.
Key ratings include a 400A socket, 120/240VAC single-phase metering, and 208Y/120V network metering capability. The bus is rated at 1200A, and the enclosure is UL Listed with a NEMA 3R rating, ensuring suitability for indoor and outdoor environments. The assembly ships with (2) 300A breakers installed for immediate use.
Yes, the enclosure is UL Listed and NEMA 3R-rated, designed for outdoor or harsh environments. For outdoor top-entry configurations, use rainproof hubs on the cap. The weather-resistant design helps maintain metering accuracy and safety during seasonal exposure and harsh weather conditions.
The meter stack measures 66.625 inches in length, 19.375 inches in width, and 8.75 inches in height, with a weight of approximately 320 pounds. Plan for secure wall or stand mounting, appropriate clearances, and anchoring hardware to accommodate the unit’s footprint and weight in commercial electrical rooms.
Downloadable resources include the Residential and Light Commercial meter products catalog (Volume 1 Tab 4) and the Eaton specification sheet for 35MM240R1240C33. These documents provide detailed electrical ratings, wiring diagrams, installation notes, and compliance data to support spec reviews and procurement decisions.