Eaton Meter Stack 125A Single-...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$3,476.97
$1,026.21

Eaton Meter Stack 125A Single-Phase 3-Socket Outdoor 120/240V

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Model: 1MM312RRL

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

$3,476.97
$1,026.21
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Eaton Meter Stack 125A Single-Phase 3-Socket Outdoor 120/240V

Professional Electrical Metering Equipment

The Eaton Meter Stack 125A Single-Phase 3-Socket Outdoor delivers exceptional electrical power metering and distribution performance for multi-tenant residential and commercial applications. This 125A rated meter stack with 800A bus rating provides reliable electrical metering and power distribution designed for professional electricians, electrical contractors, and utility professionals, offering the proven reliability and advanced technology that professionals trust from the global leader in intelligent power management.

Professional Features & Benefits

Electrical Performance & Capacity

  • 125A Amperage Rating with 800A Bus Rating - Provides robust electrical capacity for multiple metering applications with high-capacity bus system for reliable power distribution
  • Single-Phase In/Single-Phase Out Configuration - Optimized for residential and light commercial electrical systems with efficient single-phase power distribution
  • 120/240V Voltage Rating - Standard residential voltage configuration for versatile electrical metering applications
  • 3-Socket Multiple Metering Design - Accommodates three separate electrical meters for multi-tenant or multi-unit electrical service applications

Outdoor Protection & Construction

  • Outdoor Enclosure Rating - Weather-resistant construction designed for exterior electrical installations and utility applications
  • Aluminum Construction Material - Durable aluminum construction provides corrosion resistance and long-term reliability in outdoor environments
  • Ringless Design - Professional ringless meter socket configuration for secure utility meter installation and connection

Professional Installation & Compliance

  • UL Listed Certification - Meets rigorous electrical safety standards for professional electrical installations and code compliance
  • Central Maine Power Utility Approval - Approved for use with Central Maine Power utility systems ensuring compatibility and compliance

Technical Specifications

Amperage Rating: 125A, Bus Rating: 800A, Voltage Rating: 120/240V, Phase Configuration: Single-phase in/single-phase out, Number of Sockets: 3, Enclosure: Outdoor rated, Construction Material: Aluminum, Design: Ringless, Interrupt Rating: Depends on selected main circuit breaker, Dimensions: 41.8" H x 12.26" W x 7.01" D, Weight: 70 lb, Certifications: UL Listed, Utility Approvals: Central Maine Power (ME)

Installation & Usage

  1. Verify electrical service requirements and utility approval for meter stack installation in designated outdoor location
  2. Mount meter stack securely to appropriate foundation or mounting surface following local electrical codes and utility requirements
  3. Connect incoming electrical service conductors to main terminals following proper electrical safety procedures and torque specifications
  4. Install appropriate main circuit breaker to establish interrupt rating and electrical protection for downstream circuits
  5. Connect individual meter socket wiring for each tenant or unit following utility metering requirements and electrical codes
  6. Coordinate with utility company for meter installation and electrical service activation following local utility procedures

Professional Applications

Ideal for:

  • Multi-Tenant Residential Buildings - Apartment complexes, condominiums, and multi-family housing requiring separate electrical metering for each unit
  • Commercial Multi-Unit Properties - Strip malls, office buildings, and commercial complexes with multiple tenants requiring individual electrical service metering
  • Utility Electrical Service Applications - Primary electrical service installations requiring multiple meter connections for separate electrical accounts
  • Residential Electrical Distribution - Single-phase electrical systems requiring robust metering and power distribution capabilities
  • Outdoor Electrical Installations - Weather-exposed electrical service locations requiring durable outdoor-rated electrical equipment
  • Electrical Contractor Projects - Professional electrical installations requiring UL-listed metering equipment with utility approval
  • Property Management Applications - Facilities requiring separate electrical metering for tenant billing and electrical usage monitoring
  • Electrical Service Upgrades - Modernization projects requiring updated metering infrastructure with increased electrical capacity

Multiple Metering Advantage

The 3-socket multiple metering design enables efficient electrical service distribution for multi-tenant applications while maintaining separate utility metering for each electrical account. The ringless socket configuration ensures secure meter installation and reliable electrical connections, while the 800A bus rating provides substantial electrical capacity for demanding applications with room for future electrical load growth.

Why Choose Eaton Quality?

Eaton's century-plus experience in electrical power management innovation delivers professional-grade metering equipment trusted by electricians, electrical contractors, and utility professionals worldwide. With UL Listed certification and utility approvals, this meter stack provides the electrical safety, reliability, and code compliance that electrical professionals demand for critical metering applications in residential and commercial electrical systems.

Manufacturer Resources

Product Specs

Amperage Rating:
125A
Bus Rating:
800 A
Certifications:
UL Listed
Enclosure:
Outdoor
Interrupt Rating:
Depends on selected main circuit breaker
Phase:
Single-phase in, single-phase out
Product Height:
41.8 in
Product Length Depth:
7.01 in
Product Weight:
70 lb
Product Width:
12.26 in
Utility Approvals:
ME : Central Maine Power
Voltage Rating:
120/240 V
Product Subgroup:
Meter Stack
Product Group:
Electrical
Department:
Electrical
Product Details:
Multiple metering

Eaton 1MM312RRL – Frequently Asked Questions

How fast can I get the Eaton 1MM312RRL 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 1MM312RRL come with a warranty?
Absolutely. The Eaton 1MM312RRL 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 1MM312RRL?
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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