Eaton Main Terminal Box Group ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$723.06
$613.29
Eaton Eaton Main Terminal Box Group Metering, 600A, Aluminum, 3R, Overhead/Underground, Four-wire, Three-, 120/208V, 250-500 kcmil

Eaton Main Terminal Box Group Metering 600A Three-Phase 120/208V NEMA 3R Aluminum

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Model: 3MTB600R

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

$723.06
$613.29
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Eaton Main Terminal Box Group Metering 600A Three-Phase 120/208V NEMA 3R Aluminum

Professional Electrical Metering and Service Connection Equipment

The Eaton Main Terminal Box Group Metering delivers exceptional electrical power distribution and metering performance for commercial and industrial electrical service connections. This 600A three-phase main terminal box provides reliable electrical service connection and group metering capabilities 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

High-Capacity Electrical Performance

  • 600A Current Rating - High-capacity electrical service connection for demanding commercial and industrial applications with reliable power distribution performance
  • Three-Phase 120/208V Configuration - Professional three-phase electrical system compatibility with four-wire configuration for comprehensive power distribution
  • 250-500 kcmil Wire Capacity - Accommodates large conductor sizes for high-amperage electrical service connections with secure termination capabilities
  • Aluminum Bus Construction - Durable aluminum bus material provides excellent electrical conductivity and corrosion resistance for long-term reliability

Weather Protection & Installation

  • NEMA 3R Enclosure Rating - Weather-resistant protection against rain, sleet, and ice formation for outdoor electrical installations
  • Overhead/Underground Feed Capability - Versatile installation options for both overhead and underground electrical service connections
  • UL Listed Certification - Meets rigorous electrical safety standards and code compliance requirements for professional installations

Technical Specifications

Amperage Rating: 600A, Voltage Rating: 120/208V, Phase: Three-phase, Wire Configuration: Four-wire, Wire Size: (2) 250-500 kcmil, Bus Material: Aluminum, Enclosure: NEMA 3R, Feed Type: Top/bottom, Dimensions: 53.9375" H x 13.5" W x 6.5" D, Weight: 47.5 lb, Certifications: UL Listed, Utility Approvals: MI Consumers Energy

Installation & Usage

  1. Verify electrical service requirements and confirm 600A three-phase 120/208V system compatibility
  2. Select appropriate mounting location with adequate clearances for NEMA 3R outdoor installation
  3. Install main terminal box using proper mounting hardware and ensure secure attachment to service structure
  4. Connect incoming service conductors to designated terminals following NEC and local electrical codes
  5. Install metering equipment and establish proper grounding connections per utility requirements
  6. Complete final inspection and testing to verify proper electrical connections and system operation

Professional Applications

Ideal for:

  • Commercial Electrical Service - Main electrical service connections for office buildings, retail facilities, and commercial properties requiring 600A capacity
  • Industrial Power Distribution - Manufacturing facilities, warehouses, and industrial complexes with high-amperage three-phase electrical requirements
  • Multi-Tenant Metering - Group metering applications for apartment complexes, shopping centers, and multi-unit commercial buildings
  • Utility Service Connections - Primary electrical service entrance equipment for utility company metering and service connection points
  • Electrical Contractor Projects - Professional electrical installations requiring reliable main terminal box solutions with weather protection
  • Outdoor Electrical Systems - Weather-resistant electrical service equipment for exposed outdoor installations and utility connections
  • High-Capacity Electrical Distribution - Large electrical systems requiring 600A service capacity with aluminum bus construction
  • Code-Compliant Installations - UL Listed electrical equipment for projects requiring certified electrical safety compliance

Group Metering Advantage

This main terminal box provides comprehensive group metering capabilities for multi-tenant and commercial applications, enabling efficient electrical service distribution and individual metering for multiple electrical loads. The four-wire three-phase configuration supports balanced electrical distribution with neutral and grounding provisions for safe and reliable electrical system operation.

Why Choose Eaton Quality?

Eaton's century-plus experience in electrical power management innovation ensures superior main terminal box performance and reliability. With UL Listed certification and utility approvals, this equipment meets the highest electrical safety standards trusted by electricians, electrical contractors, and utility professionals worldwide. Eaton's commitment to electrical excellence and intelligent power management solutions makes this the preferred choice for demanding commercial and industrial electrical service applications.

Manufacturer Resources

Product Specs

Amperage Rating:
600A
Bus Material:
Aluminum
Catalog Notes:
For compression lug landing kits for 600A units, order 3MTB600CLK. Kit includes lug landings for three phases and neutral.
Certifications:
UL Listed
Enclosure:
NEMA 3R
Feed Type:
Top/bottom
Number Of Wires:
4
Phase:
Three-phase
Product Height:
53.9375 in
Product Length Depth:
6.5 in
Product Weight:
47.5 lb
Product Width:
13.5 in
Utility Approvals:
MI : Consumers Energy
Voltage Rating:
120/208 V
Wire Size:
(2) 250-500 kcmil
Product Type:
Main Terminal Box
Product Group:
Electrical
Department:
Electrical

Eaton 3MTB600R – Frequently Asked Questions

1) What is this Eaton main terminal box designed for?
This 600A main terminal box provides group metering capability for overhead and underground electrical services. It accommodates four-wire three-phase systems at 120/208V with conductor sizes from 250-500 kcmil.
2) Is this suitable for both overhead and underground installations?
Yes, this terminal box is designed for both overhead and underground service entrance applications. The aluminum construction and 3R rating provide suitable protection for outdoor installations.
3) What does the 3R enclosure rating mean?
NEMA 3R rating means the enclosure is suitable for outdoor use and provides protection against falling rain, sleet, and snow. It allows for external ice formation without damage to the enclosure.
4) What wire sizes does this terminal box accept?
This unit accepts conductor sizes from 250 kcmil to 500 kcmil. Verify specific termination requirements and torque specifications in the manufacturer's installation instructions.
5) How many meters can be grouped with this terminal box?
The specific metering capacity depends on the internal configuration and local utility requirements. Check with your utility company for approved metering arrangements and maximum unit counts.
6) Does this meet NEC requirements for service entrance equipment?
Eaton equipment typically meets NEC standards when properly installed. Verify specific code compliance requirements with your local electrical inspector and follow all applicable installation codes.
7) What mounting hardware is included?
Check the product specification sheet for included mounting hardware. Additional brackets or supports may be required depending on installation method and local requirements.
8) Are there special grounding requirements for installation?
Yes, proper grounding is critical for service entrance equipment. Follow NEC Article 250 requirements and verify grounding electrode conductor sizing for 600A service.
9) Can this be installed on a concrete pad?
Installation methods vary by model design. Consult the manufacturer's installation template for proper mounting requirements whether pad-mounted, pole-mounted, or wall-mounted.
10) What clearances are required around this equipment?
NEC Article 110.26 specifies working space requirements. Typically 3 feet minimum in front for 600V systems. Check local codes for additional clearance requirements from buildings and property lines.
11) Are there similar models available for different amperages?
Eaton offers various terminal box configurations for different amperage ratings. Browse our Eaton electrical products section for alternative models and specifications.
12) What maintenance does this terminal box require?
Inspect connections annually for tightness and corrosion. Check enclosure seals and gaskets. Clean exterior surfaces as needed. Follow lockout/tagout procedures during any maintenance work.
How fast can I get the Eaton 3MTB600R 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 3MTB600R come with a warranty?
Absolutely. The Eaton 3MTB600R 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 3MTB600R?
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
Why buy the Eaton 3MTB600R from ZenSupply?
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