Eaton Meter Stack Module Three...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$3,476.97
$1,099.51

Eaton Meter Stack Module Three-Phase Residential 125A 120/208V Group Metering 2-Socket Aluminum Bus

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Model: 3MM212RRL
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$3,476.97
$1,099.51
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Eaton Three-Phase Residential Meter Stack Module

Professional Electrical Metering and Power Distribution Solution

The Eaton Three-Phase Residential Meter Stack Module delivers exceptional electrical power metering and distribution performance for multi-tenant residential and commercial applications. This 125A three-phase input, single-phase output meter stack provides reliable group metering designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced technology that professionals trust from the global leader in intelligent power management.

Professional Features & Benefits

Advanced Metering Performance

  • 125A Amperage Rating with 800A Aluminum Bus - High-capacity power distribution with robust aluminum bus construction for reliable electrical performance and long-term durability
  • Three-Phase Input, Single-Phase Output Configuration - Versatile phase conversion capability enabling efficient power distribution from three-phase service to individual single-phase tenant meters
  • Group Metering Type Design - Professional metering solution for multi-tenant applications with centralized electrical monitoring and billing capabilities
  • 120/208V Voltage Rating - Standard commercial voltage configuration suitable for residential and light commercial electrical distribution systems

Installation & Protection Features

  • Indoor/Outdoor Enclosure Rating - Weather-resistant construction suitable for both interior and exterior installations with reliable environmental protection
  • Five-Jaw, 2-Socket Configuration - Professional meter mounting system accommodating multiple utility meters with secure ringless security design
  • UL Listed Certification - Meets rigorous electrical safety standards ensuring code compliance and professional installation confidence

Technical Specifications

Amperage Rating: 125A, Voltage Rating: 120/208V, Phase Configuration: Three-phase in/single-phase out, Bus Material: Aluminum, Bus Rating: 800A, Number of Sockets: 2, Number of Jaws: Five-jaw, Enclosure: Indoor/outdoor, Security: Ringless, Bypass: None, Dimensions: 44" L x 15" W x 8.5" H, Weight: 53 lb, Certifications: UL Listed, Utility Approvals: ME Central Maine Power, Secondary Circuit Breaker Compatibility: BR2_, BRH2_, BRHH2_ series

Installation & Usage

  1. Verify proper three-phase electrical service availability and voltage compatibility before installation
  2. Mount meter stack module in approved location following local electrical codes and utility requirements
  3. Connect three-phase input conductors to designated terminals ensuring proper phase sequence and grounding
  4. Install appropriate utility meters in five-jaw sockets following utility company specifications
  5. Connect single-phase output circuits to individual tenant electrical panels or distribution points
  6. Perform electrical testing and inspection to verify proper operation and code compliance

Professional Applications

Ideal for:

  • Multi-Tenant Residential Buildings - Apartment complexes, condominiums, and residential developments requiring individual tenant metering
  • Commercial Mixed-Use Properties - Buildings combining residential and commercial spaces with centralized electrical distribution
  • Student Housing Facilities - Dormitories and student apartment buildings requiring individual unit electrical metering
  • Senior Living Communities - Assisted living facilities and senior housing with individual unit electrical monitoring
  • Manufactured Housing Parks - Mobile home parks and manufactured housing communities with centralized electrical service
  • Small Commercial Centers - Strip malls and small commercial buildings with multiple tenant electrical services
  • Electrical Service Upgrades - Modernization of existing electrical distribution systems in multi-tenant properties
  • New Construction Projects - Residential and commercial developments requiring professional electrical metering solutions

Group Metering Advantage

Eaton's group metering technology enables efficient electrical distribution and monitoring for multi-tenant applications, providing centralized utility interface while maintaining individual tenant metering capabilities. The three-phase input with single-phase output configuration maximizes electrical efficiency while simplifying individual unit electrical connections, reducing installation complexity and improving system reliability.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers unmatched reliability and performance in professional electrical metering solutions. Our UL Listed meter stack modules meet the highest electrical safety standards, providing electricians, electrical contractors, and facility professionals worldwide with the trusted quality and dependable performance essential for critical electrical distribution applications.

Manufacturer Resources

Product Specs

Amperage Rating:
125A
Bus Material:
Aluminum
Bus Rating:
800 A
Bypass:
None
Certifications:
UL Listed
Enclosure:
Indoor/outdoor
Interrupt Rating:
Depends on selected main circuit breaker
Number Of Jaws:
Five-jaw
Number Of Sockets:
2
Phase:
Three-phase in, single-phase out
Phase Balance:
A-B
Product Height:
8.5 in
Product Length Depth:
44 in
Product Weight:
53 lb
Product Width:
15 in
Secondary Circuit Breaker:
BR2_, BRH2_, BRHH2_
Security:
Ringless
Utility Approvals:
ME : Central Maine Power
Voltage Rating:
120/208V
Product Subgroup:
Meter Stack
Product Group:
Electrical
Department:
Electrical
Product Details:
Group Metering

Eaton 3MM212RRL – Frequently Asked Questions

How fast can I get the Eaton 3MM212RRL delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Eaton 3MM212RRL come with a warranty?
Absolutely. The Eaton 3MM212RRL is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Eaton 3MM212RRL?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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